LTC6605-14 Linear Technology, LTC6605-14 Datasheet
LTC6605-14
Related parts for LTC6605-14
LTC6605-14 Summary of contents
Page 1
... Three-state BIAS pins determine each amplifi er’s power consumption, allowing a choice between shutdown, me- dium power or full power. The LTC6605-14 is available in a compact 6mm × 3mm 22-pin leadless DFN package and operates over a –40°C to 85°C temperature range. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. ...
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... LTC6605-14 ABSOLUTE MAXIMUM RATINGS (Note 1) + – Total Supply Voltage ( ................................5.5V Input Current (Note 2) ..........................................±10mA Output Short-Circuit Duration (Note 3) ............ Indefi nite Operating Temperature Range (Note 4).... –40°C to 85°C Specifi ed Temperature Range (Note 5) .... –40°C to 85°C Junction Temperature ........................................... 150°C Storage Temperature Range ................... – ...
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... Referenced to V – – 3V BIAS + – 3V BIAS LTC6605-14 www.DataSheet4U.com = V = mid-supply, BIAS tied to V INCM OCM + – is defi ned as (V – defi ned as S OUTCM – defi ned as (V +OUT –OUT ...
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... Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: All pins are protected by steering diodes to either supply. If any pin is driven beyond the LTC6605-14’s supply voltage, the excess input current (current in excess of what it takes to drive that pin to the supply rail) should be limited to less than 10mA. ...
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... G01 Filter Frequency Response 1.5V INCM OCM 0 –10 –20 –30 – 100 660514 G03 LTC6605-14 www.DataSheet4U.com ) has not deviated by more than ±10mV OSCM ). 3V, BIAS = MID-SUPPLY INCM OCM 5 REPRESENTATIVE UNITS 80 –40 – ...
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... LTC6605-14 TYPICAL PERFORMANCE CHARACTERISTICS Harmonic Distortion vs Frequency, BIAS High –40 DIFFERENTIAL INPUT, HD2 DIFFERENTIAL INPUT, HD3 –50 SINGLE-ENDED INPUT, HD2 SINGLE-ENDED INPUT, HD3 –60 –70 –80 –90 –100 –110 –120 0 100 FREQUENCY (MHz) 660514 G05 P 400Ω DIFFERENTIAL, GAIN = 1V/V ...
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... Figure 1. DC Test Circuit (Channel A Shown) 81.5pF 200Ω 48.2pF 125Ω + – BIAS + – 48.2pF 125Ω 200Ω 81.5pF Figure 2. AC Test Circuit (Channel A Shown) LTC6605-14 www.DataSheet4U.com I L 25Ω V –OUT 0.1μF BAL 0.1μF – V ...
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... LTC6605-14 PIN FUNCTIONS +IN2 A, –IN2 A, +IN2 B, –IN2 B (Pins 11): Inputs to Trimmed 200Ω Resistors. Can accept an input signal, be fl oated, tied to an output pin, or connected to external components. +IN1 A, –IN1 A, +IN1 B, –IN1 B (Pins 10): Inputs to Trimmed 100Ω Resistors. Can accept an input signal, be fl ...
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... BIAS + – 48.2pF 100Ω 125Ω 200Ω 200Ω 81.5pF LTC6605-14 www.DataSheet4U.com –OUT – 36k 19 V OCMA 36k – ...
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... The LTC6605-14 can be operated with a single-ended input and differential output, or with a differential input and differential output. ...
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... Drive the 200Ω and 100Ω Resistors in Parallel. The resonant frequency independent of R1, and O therefore independent of the gain. For any LTC6605-14 fi lter confi guration that conforms to Figure 3, the f 16.1MHz. The f frequency depends on the combina- –3dB tion of f and Q. For any specifi c gain adjusted by O the selection of R4 ...
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... LTC6605-14 APPLICATIONS INFORMATION – – 660514 F04a f = 12.3MHz –3dB GAIN = 1V/ V (0dB 400Ω IN Gain Response –10 –20 –30 –40 0 100 1000 FREQUENCY (MHz) 660514 G04d Phase and Group Delay Response 0 –20 –40 – ...
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... F05a –10 –20 –30 –40 100 1000 660514 G05d 100mV/DIV 100 660514 G05i LTC6605-14 www.DataSheet4U.com – – 660514 F05c ±0.4dB 14MHz PASSBAND GAIN = 2V/ V (6dB 200Ω ...
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... LTC6605-14 APPLICATIONS INFORMATION Input Impedance Calculating the low frequency input impedance depends on how the inputs are driven. Figure 6 shows a simplifi ed low frequency equivalent cir- cuit. For balanced input sources (V frequency input impedance is given by the equation INP INM Therefore, the differential input impedance is simply • ...
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... When comparing the LTC6605-14’s noise to that of other amplifi ers, be sure to compare similar specifi - cations. Standalone op amps often specify noise re- ferred to the inputs of the op amp. The LTC6605-14’s internal op amp has input referred voltage noise of only 2.1nV/√Hz. In addition to the noise generated by ...
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... The V pins, of the LTC6605-14, because it is important that the load impedances seen by both outputs (stray or intended balanced and symmetric as possible. This will help pre- serve the balanced operation that minimizes the generation of even-order harmonics and maximizes the rejection of common mode signals and noise ...
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... CHANNEL A by the LTC6605-14. Time constants on the order of 2ns do a good job of fi ltering broadband noise. Longer time constants improve SNR at the expense of settling time. The resistors in the decoupling network should be at least 25Ω. Too large of a resistor will leave insuffi cient settling time ...
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... LTC6605-14 TYPICAL APPLICATIONS V INA V INB THREE GAINS ARE POSSIBLE, AS SHOWN IN FIGURE 4 18 Dual, Matched, 4th Order 14MHz Lowpass Filter LTC6605-14 LTC6605- 1. – – 1. – – Gain Magnitude vs Frequency 10 0 –10 –20 –30 – ...
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... BSC 0.10 TYP 3.00 ±0.10 1.65 ± 0.10 (2 SIDES) (2 SIDES) 11 0.75 ±0.05 0.00 – 0.05 5. EXPOSED PAD SHALL BE SOLDER PLATED 6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON TOP AND BOTTOM OF PACKAGE LTC6605-14 www.DataSheet4U.com R = 0.115 0.40 ± 0.05 TYP 0.889 22 0.889 PIN #1 NOTCH R0.30 TYP OR 1 0.25mm × 45° 0.25 ± 0.05 CHAMFER 0.50 BSC 5.35 ± ...
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... LTC6605-14 TYPICAL APPLICATION Dual, Matched, 2nd Order 25MHz Lowpass Filter LTC6605- INA 4 – INB 10 – 11 RELATED PARTS PART NUMBER DESCRIPTION LT1568 4th Order Filter Building Block LTC6404 Rail-to-Rail Output Differential Op Amp LTC6406 3GHz Rail-to-Rail Input Differential Op Amp LT6600-2 ...