LTC6605CDJC-10-PBF LINER [Linear Technology], LTC6605CDJC-10-PBF Datasheet
LTC6605CDJC-10-PBF
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LTC6605CDJC-10-PBF Summary of contents
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FEATURES n Two Matched 10MHz 2nd Order Lowpass Filters with Differential Amplifi ers Gain Match: ±0.35dB Max, Passband Phase Match: ±1.2° Max, Passband Single-Ended or Differential Inputs n < –90dBc Distortion in Passband n 2.1nV/√Hz Op Amp Noise Density n ...
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... ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LTC6605CDJC-10#PBF LTC6605CDJC-10#TRPBF 660510 LTC6605IDJC-10#PBF LTC6605IDJC-10#TRPBF 660510 Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. ...
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DC ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are 10k. The fi lter is confi gured for a gain of 1, unless otherwise noted. V BAL V )/ defi ned ...
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LTC6605-10 AC ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T otherwise noted. Filter confi gured as in Figure 2, unless otherwise noted )/ defi ned –OUT INCM +IN –IN SYMBOL ...
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ELECTRICAL CHARACTERISTICS Note 8: See the Applications Information section for a detailed discussion of input and output common mode range. Input common mode range is tested by measuring the differential DC gain with V = mid-supply, and again with V ...
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LTC6605-10 TYPICAL PERFORMANCE CHARACTERISTICS Harmonic Distortion vs Frequency, BIAS High –40 DIFFERENTIAL INPUTS, HD2 DIFFERENTIAL INPUTS, HD3 –50 SINGLE-ENDED INPUTS, HD2 SINGLE-ENDED INPUTS, HD3 –60 –70 –80 –90 –100 –110 –120 1 10 100 FREQUENCY (MHz) 660510 G05 V = ...
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TEST CIRCUITS LTC6605-10 400Ω 1 100Ω INP – BIAS 3 – V INM 100Ω 400Ω 5 LTC6605-10 1μF 400Ω V +IN 1 100Ω BIAS 3 – 100Ω 4 1μF 400Ω V ...
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LTC6605-10 PIN FUNCTIONS +IN4 A, –IN4 A, +IN4 B, –IN4 B (Pins 11): Inputs to Trimmed 400Ω Resistors. Can accept an input signal, be fl oated, tied to an output pin, or connected to external components. +IN1 ...
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BLOCK DIAGRAM +IN4 A 1 +IN1 A 2 BIAS A 3 –IN1 A 4 –IN4 A 5 – +IN4 B 7 +IN1 B 8 BIAS B 9 –IN1 –IN4 B 81.5pF 400Ω 400Ω 48.2pF 100Ω ...
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LTC6605-10 APPLICATIONS INFORMATION Functional Description The LTC6605-10 is designed to make the implementation of high frequency fully differential fi ltering functions very easy. Two very low noise amplifi ers are surrounded by precision matched resistors and precision matched capaci- tors ...
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APPLICATIONS INFORMATION Setting the passband gain (GAIN = R2/R1) only requires choosing a value for R1, since fi xed internal 400Ω. Therefore, the following three gains can be easily confi gured without external components: Table 1. Confi ...
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LTC6605-10 APPLICATIONS INFORMATION – – 660510 F04a f = 9.7MHz –3dB GAIN = 1V/ V (0dB 800Ω IN Gain Response –10 ...
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APPLICATIONS INFORMATION 88.7Ω 4 – 88.7Ω 10 – 660510 F05a ±0.7dB 11.2MHz PASSBAND GAIN = 1V/ V (0dB 800Ω IN Gain Response –10 ...
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LTC6605-10 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 circuit. For balanced input sources (V low frequency input impedance is given by ...
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APPLICATIONS INFORMATION Noise When comparing the LTC6605-10’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 LTC6605-10’s internal ...
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LTC6605-10 APPLICATIONS INFORMATION Board Layout and Bypass Capacitors For single-supply applications it is recommended that a high quality X5R or X7R, 0.1μF bypass capacitor be placed + directly between V and the adjacent V including the Exposed Pad, should be ...
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APPLICATIONS INFORMATION sampling transient of the ADC (see Figure 8). The capaci- tance serves to provide the bulk of the charge during the sampling process, while the two resistors at the outputs of the LTC6605-10 are used to dampen and ...
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LTC6605-10 TYPICAL APPLICATIONS V INA V INB THREE GAINS ARE POSSIBLE, AS SHOWN IN FIGURE 4 18 Dual, Matched, 4th Order 10MHz Lowpass Filter LTC6605-10 LTC6605- 182Ω – – ...
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PACKAGE DESCRIPTION 0.889 3.60 ±0.05 1.65 ±0.05 2.20 ±0.05 (2 SIDES) 5.35 ± 0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS 6.00 ±0.10 (2 SIDES) PIN 1 TOP MARK (NOTE 6) 0.200 REF NOTE: 1. DRAWING PROPOSED TO BE ...
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LTC6605-10 TYPICAL APPLICATION V INA V INB 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 LT6600-2.5/LT6600-5/ Differential 4th Order Lowpass Filters LT6600-10/LT6600-15/ LT6600-20 LTC6601 ...