LUCL9215AAU-D AGERE [Agere Systems], LUCL9215AAU-D Datasheet
LUCL9215AAU-D
Related parts for LUCL9215AAU-D
LUCL9215AAU-D Summary of contents
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L9215A/G Short-Loop Sine Wave Ringing SLIC Introduction The Agere Systems Inc. L9215 is a subscriber line interface circuit that is optimized for short-loop, power-sensitive applications. This device provides the complete set of line interface functionality (includ- ing power ringing) needed ...
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Short-Loop Sine Wave Ringing SLIC Contents Introduction..................................................................1 Features ....................................................................1 Applications...............................................................1 Description ................................................................1 Features ......................................................................4 Description...................................................................4 Architecture Diagram...................................................7 Pin Information ............................................................8 Operating States........................................................11 State Definitions ........................................................12 Forward Active ........................................................12 Reverse Active........................................................12 Forward Active with PPM ........................................12 Reverse Active with PPM........................................12 Scan........................................................................12 ...
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September 2001 Figures Figure 1. Architecture Diagram ...................................7 Figure 2. 32-Pin PLCC Diagram .................................8 Figure 3. 48-Pin MLCC Diagram .................................8 Figure 4. Basic Test Circuit ......................................22 Figure 5. Metallic PSRR ...........................................23 Figure 6. Longitudinal PSRR ....................................23 Figure 7. Longitudinal Balance ...
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Short-Loop Sine Wave Ringing SLIC Features Onboard balanced ringing generation: — No ring relay — No bulk ring generator required — ring frequency supported — Sine wave input-sine wave output — PWM input-sine wave output ...
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September 2001 Description (continued) Forward and reverse battery active modes are used for off-hook conditions. Since this device is designed for short-loop applications, the lower-voltage V applied during the forward and reverse active Battery reversal is quiet, without breaking the ...
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Short-Loop Sine Wave Ringing SLIC Description (continued) A common-mode current detector for tip or ring ground detection is included for ground key applications. The threshold is user programmable via external resistors. See the Applications section of this data sheet for ...
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September 2001 Architecture Diagram V REF VITR AAC 1.5 V BAND-GAP REFERENCE TXI ITR – (ITR/306) OUT VTX AX V REF + RFT PT 18 ITR TIP/RING CURRENT SENSE ITR RFR PR 18 Agere Systems Inc. Short-Loop ...
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Short-Loop Sine Wave Ringing SLIC Pin Information RCVN RING PPMIN OVH DCOUT V PROG CF2 CF1 RTFLT RING INN PPM NC NC OVH DCOUT V PROG NC CF2 CF1 NC RTFLT ...
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September 2001 Pin Information (continued) Table 1. Pin Descriptions 32-Pin 48-Pin Symbol PLCC MLCC 1 43 NSTAT 11, NC 14, 17, 18, 21, 27, 28, 30, 32, 37, 39, 42, 44 VITR 4 ...
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Short-Loop Sine Wave Ringing SLIC Pin Information (continued) Table 1. Pin Descriptions (continued) 32-Pin 48-Pin Symbol Type PLCC MLCC 15 15 AGND GND Analog Signal Ground PWR Analog Power Supply. User choice 3.3 ...
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September 2001 Operating States Table 2. Control States Forward active Forward active with PPM Reverse active Reverse active with PPM ...
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Short-Loop Sine Wave Ringing SLIC State Definitions Forward Active Pin PT is positive with respect to PR applied to tip/ring drive amplifiers. BAT2 Loop closure and common-mode detect are active. Ring trip detector is turned off to conserve ...
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September 2001 State Definitions (continued) On-Hook Transmission with PPM Battery Pin PT is positive with respect to PR applied to tip/ring drive amplifiers. BAT1 Supervision circuits, loop closure, and common- mode detect are active. Ring trip detector is ...
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Short-Loop Sine Wave Ringing SLIC Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso- lute stress ratings only. Functional operation of the device is not implied at these ...
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September 2001 Electrical Characteristics . Table 6 Environmental Characteristics Temperature Range 1 Humidity Range 1. Not to exceed 26 grams of water per kilogram of dry air. Table Supply Currents V = – –21 ...
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Short-Loop Sine Wave Ringing SLIC Electrical Characteristics Table 9. 3.3 V Supply Currents V = – – BAT1 BAT2 CC Supply Currents (scan state; no loop current): I VCC I VBAT1 I VBAT2 Supply Currents ...
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September 2001 Electrical Characteristics Table 11. 2-Wire Port Tip or Ring Drive Current = dc + Longitudinal + Signal Currents + PPM Tip or Ring Drive Current = Ringing + Longitudinal Signal Current Longitudinal Current Capability per Wire (Longitudinal current ...
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Short-Loop Sine Wave Ringing SLIC Electrical Characteristics Table 11. 2-Wire Port (continued) Parameter Loop Closure Threshold: Active/On-hook Transmission Modes Scan Mode Loop Closure Threshold Hysteresis 3 Ground Key: Differential Detector Threshold ...
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September 2001 Electrical Characteristics Table 13. ac Feed Characteristics Parameter 1 ac Termination Impedance Total Harmonic Distortion (200 Hz—4 kHz) Off-hook On-hook Transmit Gain (f = 1004 Hz, 1020 Hz, current limit) PT/PR Current to VITR Receive Gain ...
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Short-Loop Sine Wave Ringing SLIC Electrical Characteristics Table 14. Logic Inputs and Outputs (V Parameter Input Voltages: Low Level High Level Input Current: Low Level ( High Level (V = 5.25 ...
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September 2001 Electrical Characteristics Table 16. Ringing Specifications RING (This input is ac coupled through 0.47 µF.): IN Input Voltage Swing Input Impedance Ring Signal Isolation: PT/PR to VITR Ring Mode Ring Signal Isolation: RING to PT/PR IN Nonring Mode ...
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Short-Loop Sine Wave Ringing SLIC Test Configurations RTFLT 0.1 F 383 k DCOUT 30 TIP PR R LOOP 100 /600 30 RING PT OVH V PROG V REF FB2 FB1 CF1 0.1 F CF2 0 BAT2 V BAT2 ...
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September 2001 Test Configurations (continued BAT 100 DISCONNECT BYPASS CAPACITOR 4 BAT V CC TIP + BASIC TEST CIRCUIT 600 V T/R – RING PSRR = 20log V Figure 5. Metallic PSRR ...
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Short-Loop Sine Wave Ringing SLIC Applications Power Control Under normal device operating conditions, power dissi- pation on the device must be controlled to prevent the device temperature from rising above the thermal shut- down and causing the device to shut ...
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September 2001 Applications (continued) dc Loop Current Limit (continued) Note that the overall current-limit accuracy achieved will not only be affected by the specified accuracy of the internal SLIC current-limit circuit (accuracy associ- ated with the 67 term), but also ...
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Short-Loop Sine Wave Ringing SLIC Applications (continued) Overhead Voltage (continued) Active Mode (continued) Adding 0.5 V for tolerance, the overhead needs to be increased to (8.121 8.621 V to allow for an undistorted on-hook transmission ...
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September 2001 Supervision The L9215 offers the loop closure and ring trip supervi- sion functions. Internal to the device, the outputs of these detectors are multiplexed into a single package output, NSTAT. Additionally, a common-mode current detector for tip or ...
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Short-Loop Sine Wave Ringing SLIC Supervision (continued) Power Ring (continued) Sine Wave Input Signal and Sine Wave Power Ring Signal Output The low-voltage sine wave input is applied to the L9215 at pin RING . This signal should be ac-coupled ...
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September 2001 Supervision (continued) Power Ring (continued) Sine Wave Input Signal and Sine Wave Power Ring Signal Output (continued recommended that the input level at RING the edge or slightly clipping. This gives maximum power transfer with minimal ...
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Short-Loop Sine Wave Ringing SLIC Supervision (continued) Power Ring (continued) Sine Wave Input Signal and Sine Wave Power Ring Signal Output (continued) During nonring modes, the sinusoidal ringing waveform may be left on at RING will be removed from tip ...
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September 2001 Supervision (continued) Power Ring (continued) PWM Input Signal and Sine Wave Power Ring Sig- nal Output (continued) Modulation waveforms showing PWM are in Figure 14 below. A. Upper = Pwm Signal Centered at 10 kHz Lower = Modulation ...
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Short-Loop Sine Wave Ringing SLIC Supervision (continued) Power Ring (continued) 3 Operation CC A PWM signal was generated with an HP 8116 Func- tion Generator modulated with signal. The opti- mal frequency used was 10 ...
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September 2001 Supervision (continued) Power Ring (continued) Square Wave Input Signal and Trapezoidal Power Ring Signal Output (continued) The following charts are meant to give some guidance to the relationship between crest factor, battery voltage, and R value. 1 1.36 ...
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Short-Loop Sine Wave Ringing SLIC Periodic Pulse Metering (PPM) Periodic pulse metering (PPM), also referred to as tele- tax (TTX), is input to the PPM input of the L9215. IN Upon application of appropriate logic control, this sig- nal is ...
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September 2001 ac Applications (continued) ac Interface Network (continued) the L9215 and this type of codec is designed to avoid overload at the codec input in the transmit direction and to optimize signal to noise ratio (S/N) in the receive ...
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Short-Loop Sine Wave Ringing SLIC ac Applications (continued) Design Examples (continued) First-Generation Codec ac Interface Network— Resistive Termination (continued) This is a lower feature application example and uses single battery operation, fixed overhead, current limit, and loop closure threshold. Resistor ...
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September 2001 ac Applications (continued) Design Examples (continued) Example 1, Real Termination (continued) V BAT1 C C BAT1 BAT2 D 0.1 F 0.1 F BAT1 V BGND V BAT1 C RT RTFLT 0 383 k DCOUT FUSIBLE ...
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Short-Loop Sine Wave Ringing SLIC ac Applications (continued) Design Examples (continued) Example 1, Real Termination (continued) Table 24. Parts List L9215; Agere T7504 First-Generation Codec Resistive Termination; Nonmeter Pulse Application Name Value Fault Protection ...
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September 2001 ac Applications (continued) Design Examples (continued) First-Generation Codec ac Interface Network— Complex Termination The following reference circuit shows the complete SLIC schematic for interface to the Agere T7504 first- generation codec for the German complex termination impedance. For ...
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Short-Loop Sine Wave Ringing SLIC ac Applications (continued) Design Examples (continued) Set Z —Gain Shaping (continued TGS R = 4750 GX –I T/R 318.25 RCVN RCVP Figure 24. Interface Circuit Using First-Generation Codec (Blocking Capacitors Not Shown) Transmit ...
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September 2001 ac Applications (continued) Design Examples (continued) Receive Gain Ratios and R will set both the low-fre- RCV T3 GP quency termination and receive gain for the complex case. In the complex case, additional ...
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Short-Loop Sine Wave Ringing SLIC ac Applications (continued) Design Examples (continued) Blocking Capacitors R TGS R = 4750 GX –I T/R 318.25 RCVN RCVP Figure 25. ac Interface Using First-Generation Codec (Including Blocking Capacitors) for Complex Termi- nation Impedance 42 ...
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September 2001 ac Applications (continued) Design Examples (continued) Blocking Capacitors (continued BAT1 BAT2 C C BAT1 BAT2 D BAT1 0 BGND V BAT1 BAT2 C RT RTFLT 0 383 k FUSIBLE ...
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Short-Loop Sine Wave Ringing SLIC Applications (continued) Design Examples (continued) Blocking Capacitors (continued) Table 25. Parts List L9215; Agere T7504 First-Generation Codec Complex Termination; Meter Pulse Application Termination impedance = 220 + (820 dBm. Name Value Tolerance ...
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September 2001 ac Applications (continued) Design Examples (continued) Third-Generation Codec ac Interface Network—Complex Termination The following reference circuit shows the complete SLIC schematic for interface to the Agere T8536 third-genera- tion codec. All ac parameters are programmed by the T8536. ...
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Short-Loop Sine Wave Ringing SLIC ac Applications (continued) Design Examples (continued) Third-Generation Codec ac Interface Network—Complex Termination (continued) Table 26. Parts List L9215; Agere T8536 Third-Generation Codec Meter Pulse Application ac and dc Parameters; Fully Programmable Name Value Tolerance Fault ...
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September 2001 Outline Diagrams 32-Pin PLCC Dimensions are in millimeters. Note: The dimensions in this outline diagram are intended for informational purposes only. For detailed schemat- ics to assist your design efforts, please contact your Agere Sales Representative ...
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Short-Loop Sine Wave Ringing SLIC Outline Diagrams (continued) 48-Pin MLCC Dimensions are in millimeters. Notes: The dimensions in this outline diagram are intended for informational purposes only. For detailed schemat- ics to assist your design efforts, please contact your Agere ...
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September 2001 Outline Diagrams (continued) 48-Pin MLCC, JEDEC MO-220 VKKD-2 Dimensions are in millimeters. Notes: The dimensions in this outline diagram are intended for informational purposes only. For detailed schemat- ics to assist your design efforts, please contact your Agere ...
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... Short-Loop Sine Wave Ringing SLIC Ordering Information Device Part No. LUCL9215AAU-D LUCL9215AAU-DT LUCL9215GAU-D LUCL9215GAU-DT LUCL9215ARG-D LUCL9215GRG-D IEEE is a registered trademark of The Institute of Electrical and Electronics Engineers, Inc. PSPICE is a registered trademark of MicroSim Corporation. Telcordia Technologies is a trademark of Bell Communications Research, Inc trademark of Hewlett-Packard Company. ...