ISL5585 Intersil Corporation, ISL5585 Datasheet
ISL5585
Related parts for ISL5585
ISL5585 Summary of contents
Page 1
... The ISL5585 family is capable of operating with 100V ringing battery supply, which translates directly to the amount of ringing voltage supplied to the subscriber. With the high operating voltage, subscriber loop lengths can be extended to 500Ω ...
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... ISL5585A ISL5585B ISL5585C ISL5585D ISL5585E ISL5585F • • SHD GKD • • SHD GKD RTD RTD • • SHD GKD • • ...
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... Substrate Common Connection - Connect this pin to VBH Supply. This pin is used to connect the substrate of the die and the thermal heatsink plane of the QFN package RING RING power amplifier output. 3 ISL5585 DESCRIPTION o C) and the device has been powered down automatically. (see Figure 18). Resistor R needs close to the -IN pin as possible to minimize IN ...
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... BH ISL5585AIM, CIM, GCM, GCR . . . . . . . . . . . . . . V ISL5585BIM, DIM ISL5585ECM, ECR, FCM, FCR Uncommitted Switch (loop back or relay driver +5V to -100V CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied ...
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... Open Circuit Voltage (|Tip - Ring|) Low Power Standby, Open Circuit Voltage (Tip - Ring) Absolute Open Circuit Voltage TEST ACCESS FUNCTIONS Switch On Voltage Loopback Max Battery ( ISL5585 - for industrial (I) grade and -24V -100V, -85V or -75V TEST CONDITIONS ...
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... SUPPLY CURRENTS Low Power Standby, BSEL=1 Forward or Reverse Active, BSEL=0 Forward Active, BSEL=1 Ringing, BSEL=1 (Balanced Ringing, 100) Ringing, BSEL=1 (Unbalanced Ringing, 010) I Forward Loopback, BSEL=0 Tip Open, BSEL=1 6 ISL5585 - for industrial (I) grade and -24V -100V, -85V or -75V, V ...
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... The power dissipation is based on actual device measurements and will be less than worst case calculations based on data sheet supply current limits. 8. Characterized with 2 x 10µs, and 10 x 1000µs first level lightning surge waveforms (GR-1089-CORE) 9. For Unbalanced Ringing the Tip terminal is offset to 0V and the Ring terminal is centered at Vbh/2 + 0.5V. 7 ISL5585 - ...
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... SRC 8 ISL5585 For example a source current limit setting of 95mA is programmed with a 18.7kΩ pin of the device to ground. This setting determines the maximum amount of current which flows from Tip to Ring . during an off hook event until the DC loop current limit SH responds. In addition this setting also determines the amount (EQ ...
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... LIM . The value of the Process variations in the ISL5585 effect the I DC 11.11kΩ slope in Equation 8. All units are tested with: a 300Ω load across tip and ring, V 25mA. Equation 8 can be used to predict the ideal current at this setting (25.76mA). All units are tested to be within ± ...
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... Impedance Matching Z is the source impedance of the device and is defined as ∆ (EQ. 15 20Ω the line impedance and R L resistor. R (EQ. 16 INTERSIL X + ISL5585 - R RECEIVE BLOCK SENSE 1:1 + 20Ω I FEED AMPLIFIER FEED AMPLIFIER R SENSE ...
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... Z = The line impedance The source impedance of the device. (EQ. 24) O 4-Wire to 2-Wire Gain 4-wire to 2-wire gain across the ISL5585 is equal to the V divided by the input voltage V (EQ. 25) receive gain is calculated using Equation 32. Equation 33 expresses the receive gain ( terms of network impedances ...
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... The phase of a signal through the ISL5585 is dependent upon whether the source is driving the signal 4-wire to 2-wire or 2-wire to 4-wire. Figure 6 illustrates the phase of the input signal across the ISL5585 when the signal is applied at the -IN pin of the ISL5585 through the R resistor. The Transmit Amplifier IN (TA) inverts the signal 180 degrees at the VTX pin ...
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... SENSE 20Ω RING FIGURE 6. 4-WIRE TO 2-WIRE SIGNAL PHASE ACROSS THE ISL5585 2-WIRE SIDE TIP V 2 INPUT RING - FIGURE 7. 2-WIRE TO 4-WIRE SIGNAL PHASE ACROSS THE ISL5585 13 ...
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... A switch and 600Ω resistor connect the MTU reference to the Ring terminal. When the high battery 14 ISL5585 voltage exceeds the MTU reference of -56V, the Ring terminal will be clamped by the internal reference (typically - 54V). The same Ring relationships apply when operating from the low battery voltage ...
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... Equation 52 The echo must be cancelled AUX VTX -IN ISL5585 /R , provides the final adjustment for PCM, Figure 18). The transmit TX 2w R ...
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... POL node. During reverse active, the switch closes and I2 (roughly twice I1) pulls current from I1 and the timing capacitor. The current at the POL node provides the 16 ISL5585 , the device is drive to a differential pair which controls the reversal time of the Tip and Ring DC voltages. ...
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... The silent interval power dissipation will be determined by the quiescent power of the selected operating mode. Unbalanced Ringing The ISL5585GCM offers Unbalanced Ringing mode (010). This feature accommodates some Analog PBX Trunk Lines that require the Tip terminal to be held near ground for the duration of the ringing bursts. The Tip terminal is offset to 0V’ ...
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... Though MTU does not apply to tip open, safety requirements are satisfied. Power Denial 18 ISL5585 Overview The power denial mode (111) will shutdown the entire device except for the logic interface. Loop supervision is not provided. This mode may be used as a sleep mode or to shut down in the presence of a persistent thermal alarm ...
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... The switch is activated by a logic low. The positive and negative terminals of the device are labeled SW+ and SW- respectively. Relay Driver The uncommitted switch may be used as a relay driver by connecting SW+ to the relay coil and SW- to ground. The 19 ISL5585 switch is designed to have a maximum on voltage of 0.6V with a load current of 45mA. +V RELAY SW+ SW- FIGURE 15 ...
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... QFN package should be soldered to a power/heat sink plane 1% 0.1W that is electrically connected to the ISL5585 Substrate 1% 0.1W Common Connection (SCC) pin. The heat is distributed evenly across the board by way of the heat sink plane. This 1% 0.1W is accomplished by using conductive thermal vias. ...
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... CORNER REF. OPTION 4X BOTTOM VIEW SECTION "C-C" TERMINAL TIP FOR ODD TERMINAL/SIDE FOR EVEN TERMINAL/SIDE 21 ISL5585 L32.7x7 32 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE (COMPLIANT TO JEDEC MO-220VKKC ISSUE SYMBOL 0. ...
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... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 22 ISL5585 N28.45 0.004 (0.10 LEAD PLASTIC LEADED CHIP CARRIER PACKAGE 0 ...