Datasheet LT6604-2.5 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Dual Very Low Noise, Differential Amplifier and 2.5MHz Lowpass Filter |
| 页数 / 页 | 16 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Frequency Response. Passband Gain … |
| 文件格式/大小 | PDF / 206 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Frequency Response. Passband Gain and Group Delay
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LT6604-2.5
TYPICAL PERFORMANCE CHARACTERISTICS Frequency Response Passband Gain and Group Delay Passband Gain and Group Delay
12 1 320 12 320 VS = p2.5V GAIN 0 RIN = 1580Ω 0 300 11 300 GAIN = 1 GAIN –12 –1 280 10 280 GROUP DELAY (ns) GROUP DELAY (ns) 9 260 –24 –2 260 –3 240 8 240 –36 –4 220 7 220 –48 GROUP DELAY GAIN (dB) GAIN (dB) –5 200 GAIN (dB) 6 200 –60 GROUP DELAY –6 180 5 180 –72 V V –7 S = 5V 160 4 S = 5V 160 RIN = 1580Ω RIN = 402Ω –84 –8 GAIN = 1 140 3 GAIN = 4 140 TA = 25oC TA = 25oC –96 –9 120 2 120 100k 1M 10M 50M 0.5 0.75 1.0 1.25 1.5 1.75 2.0 2.25 2.5 2.75 3.0 0.5 0.75 1.0 1.25 1.5 1.75 2.0 2.25 2.5 2.75 3.0 FREQUENCY (Hz) FREQUENCY (MHz) FREQUENCY (MHz) 660425 G01 660425 G02 660425 G03
Output Impedance vs Frequency (OUT+ or OUT–) Common Mode Rejection Ratio Power Supply Rejection Ratio
100 110 90 VIN = 1VP-P V+ TO VS = 5V 80 DIFFERENTIAL OUT 100 RIN = 1580Ω VS = 3V GAIN = 1 70 90 10 60 80 50 70 40 CMRR (dB) PSRR (dB) 1 30 60 OUTPUT IMPEDANCE (Ω) 20 50 10 0.1 40 0 100k 1M 10M 100M 1k 10k 100k 1M 10M 100M 1k 10k 100k 1M 10M 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 660425 G04 660425 G05 660425 G06
Distortion vs Frequency Distortion vs Frequency Distortion vs Frequency
–60 –60 –60 DIFFERENTIAL INPUT, DIFFERENTIAL INPUT, DIFFERENTIAL INPUT, 2ND HARMONIC 2ND HARMONIC 2ND HARMONIC DIFFERENTIAL INPUT, DIFFERENTIAL INPUT, DIFFERENTIAL INPUT, –70 3RD HARMONIC –70 3RD HARMONIC –70 3RD HARMONIC SINGLE-ENDED INPUT, SINGLE-ENDED INPUT, SINGLE-ENDED INPUT, 2ND HARMONIC 2ND HARMONIC 2ND HARMONIC –80 SINGLE-ENDED INPUT, –80 SINGLE-ENDED INPUT, –80 SINGLE-ENDED INPUT, 3RD HARMONIC 3RD HARMONIC 3RD HARMONIC –90 –90 –90 DISTORTION (dBc) DISTORTION (dBc) DISTORTION (dBc) VIN = 2VP-P VIN = 2VP-P VIN = 2VP-P –100 VS = 3V –100 VS = 5V –100 VS = p5V RL = 800Ω AT RL = 800Ω AT RL = 800Ω AT EACH OUTPUT EACH OUTPUT EACH OUTPUT GAIN = 1 GAIN = 1 GAIN = 1 –110 –110 –110 0.1 1 10 0.1 1 10 0.1 1 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 660425 G07 660425 G08 660425 G09 660425fa 5
TYPICAL PERFORMANCE CHARACTERISTICS Frequency Response Passband Gain and Group Delay Passband Gain and Group Delay
12 1 320 12 320 VS = p2.5V GAIN 0 RIN = 1580Ω 0 300 11 300 GAIN = 1 GAIN –12 –1 280 10 280 GROUP DELAY (ns) GROUP DELAY (ns) 9 260 –24 –2 260 –3 240 8 240 –36 –4 220 7 220 –48 GROUP DELAY GAIN (dB) GAIN (dB) –5 200 GAIN (dB) 6 200 –60 GROUP DELAY –6 180 5 180 –72 V V –7 S = 5V 160 4 S = 5V 160 RIN = 1580Ω RIN = 402Ω –84 –8 GAIN = 1 140 3 GAIN = 4 140 TA = 25oC TA = 25oC –96 –9 120 2 120 100k 1M 10M 50M 0.5 0.75 1.0 1.25 1.5 1.75 2.0 2.25 2.5 2.75 3.0 0.5 0.75 1.0 1.25 1.5 1.75 2.0 2.25 2.5 2.75 3.0 FREQUENCY (Hz) FREQUENCY (MHz) FREQUENCY (MHz) 660425 G01 660425 G02 660425 G03
Output Impedance vs Frequency (OUT+ or OUT–) Common Mode Rejection Ratio Power Supply Rejection Ratio
100 110 90 VIN = 1VP-P V+ TO VS = 5V 80 DIFFERENTIAL OUT 100 RIN = 1580Ω VS = 3V GAIN = 1 70 90 10 60 80 50 70 40 CMRR (dB) PSRR (dB) 1 30 60 OUTPUT IMPEDANCE (Ω) 20 50 10 0.1 40 0 100k 1M 10M 100M 1k 10k 100k 1M 10M 100M 1k 10k 100k 1M 10M 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 660425 G04 660425 G05 660425 G06
Distortion vs Frequency Distortion vs Frequency Distortion vs Frequency
–60 –60 –60 DIFFERENTIAL INPUT, DIFFERENTIAL INPUT, DIFFERENTIAL INPUT, 2ND HARMONIC 2ND HARMONIC 2ND HARMONIC DIFFERENTIAL INPUT, DIFFERENTIAL INPUT, DIFFERENTIAL INPUT, –70 3RD HARMONIC –70 3RD HARMONIC –70 3RD HARMONIC SINGLE-ENDED INPUT, SINGLE-ENDED INPUT, SINGLE-ENDED INPUT, 2ND HARMONIC 2ND HARMONIC 2ND HARMONIC –80 SINGLE-ENDED INPUT, –80 SINGLE-ENDED INPUT, –80 SINGLE-ENDED INPUT, 3RD HARMONIC 3RD HARMONIC 3RD HARMONIC –90 –90 –90 DISTORTION (dBc) DISTORTION (dBc) DISTORTION (dBc) VIN = 2VP-P VIN = 2VP-P VIN = 2VP-P –100 VS = 3V –100 VS = 5V –100 VS = p5V RL = 800Ω AT RL = 800Ω AT RL = 800Ω AT EACH OUTPUT EACH OUTPUT EACH OUTPUT GAIN = 1 GAIN = 1 GAIN = 1 –110 –110 –110 0.1 1 10 0.1 1 10 0.1 1 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 660425 G07 660425 G08 660425 G09 660425fa 5