Datasheet LTC6362 (Analog Devices) - 8
| Hersteller | Analog Devices |
| Beschreibung | Precision, Low Power Rail-to-Rail Input/Output Differential Op Amp/SAR ADC Driver |
| Seiten / Seite | 22 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. Frequency Response. Frequency … |
| Dateiformat / Größe | PDF / 372 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. Frequency Response. Frequency Peaking. vs Closed-Loop Gain. vs Load Capacitance
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LTC6362
TYPICAL PERFORMANCE CHARACTERISTICS Frequency Response Frequency Peaking vs Closed-Loop Gain vs Load Capacitance
60 2.00 VS = ±2.5V VS = ±2.5V 50 VICM = VOCM = 0V 1.75 VICM = 0V RLOAD = 1k VOCM = 0V 40 1.50 RI = RF = 1k RLOAD = 1k 30 AV = 1, RI = 1k, RF = 1k 1.25 AV = 2, RI = 500Ω, RF = 1k 20 AV = 5, RI = 400Ω, RF = 2k A 1.00 V = 10, RI = 200Ω, RF = 2k GAIN (dB) 10 AV = 20, RI = 100Ω, RF = 2k A 0.75 V = 100, RI = 20Ω, RF = 2k 0 FREQUENCY PEAKING (dB) 0.50 CAPACITOR VALUES ARE FROM EACH OUTPUT TO –10 0.25 GROUND THROUGH 35Ω SERIES RESISTANCE –20 0 100k 1M 10M 100M 1G 10 100 1000 10000 FREQUENCY (Hz) CAPACITIVE LOAD (pF) 6362 G19 6362 G20
Settling Time to 8VP-P Settling Time vs Output Step Output Step DC Linearity
700 5 150 100 VS = 5V, 0V VS = 5V, 0V 4 R 120 ERROR (µV) 1 DIV = 18-BIT ERROR 80 600 RI = RF = 1k I = RF = 1k 18-BIT 3 90 60 500 2 60 40 16-BIT 400 1 30 20 ERROR 0 0 0 300 –1 –30 –20 SETTLING TIME (ns) 200 –2 –60 FROM LINEAR FIT (µV) –40 VS = ±2.5V V –3 –90 ICM = VOCM = 0V DIFFERENTIAL OUTPUT ERROR –60 100 V RI = RF = 1k DIFFERENTIAL OUTPUT VOLTAGE (V) OUTDIFF –4 –120 –80 NO LOAD LINEAR FIT FOR –4V < VINDIFF < 4V 0 –5 –150 –100 2 3 4 5 6 7 8 0.5µs/DIV 6362 G22 –5 –4 –3 –2 –1 0 1 2 3 4 5 DIFFERENTIAL OUTPUT STEP (VP-P) VINDIFF (V) 6362 G21 6362 G23
Harmonic Distortion vs Input Harmonic Distortion vs Output Harmonic Distortion vs Frequency Common Mode Voltage Amplitude
–70 –70 –80 VS = 5V, 0V VS = 5V, 0V VS = 5V, 0V VOCM = 2.5V VOCM = 2.5V VOCM = 2.5V –80 R –80 I = RF = 1k RI = RF = 1k RI = RF = 1k V –90 OUTDIFF = 8VP-P VOUTDIFF = 8VP-P fIN = 2kHz SINGLE-ENDED INPUT, –90 f SINGLE-ENDED INPUT, –90 IN = 2kHz GROUND REFERENCED DIFFERENTIAL INPUTS GROUND REFERENCED –100 HD3 –100 HD3 –100 –110 HD2 HD2 –110 DISTORTION (dBc) –110 DISTORTION (dBc) DISTORTION (dBc) –120 HD2 –120 –120 HD3 –130 –130 –140 –130 1 10 100 0 1 2 3 4 5 0 2 4 6 8 10 FREQUENCY (kHz) INPUT COMMON MODE VOLTAGE (V) VOUTDIFF (VP-P) 6362 G24 6362 G25 6362 G26 6362fa 8 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Frequency Response Frequency Peaking vs Closed-Loop Gain vs Load Capacitance
60 2.00 VS = ±2.5V VS = ±2.5V 50 VICM = VOCM = 0V 1.75 VICM = 0V RLOAD = 1k VOCM = 0V 40 1.50 RI = RF = 1k RLOAD = 1k 30 AV = 1, RI = 1k, RF = 1k 1.25 AV = 2, RI = 500Ω, RF = 1k 20 AV = 5, RI = 400Ω, RF = 2k A 1.00 V = 10, RI = 200Ω, RF = 2k GAIN (dB) 10 AV = 20, RI = 100Ω, RF = 2k A 0.75 V = 100, RI = 20Ω, RF = 2k 0 FREQUENCY PEAKING (dB) 0.50 CAPACITOR VALUES ARE FROM EACH OUTPUT TO –10 0.25 GROUND THROUGH 35Ω SERIES RESISTANCE –20 0 100k 1M 10M 100M 1G 10 100 1000 10000 FREQUENCY (Hz) CAPACITIVE LOAD (pF) 6362 G19 6362 G20
Settling Time to 8VP-P Settling Time vs Output Step Output Step DC Linearity
700 5 150 100 VS = 5V, 0V VS = 5V, 0V 4 R 120 ERROR (µV) 1 DIV = 18-BIT ERROR 80 600 RI = RF = 1k I = RF = 1k 18-BIT 3 90 60 500 2 60 40 16-BIT 400 1 30 20 ERROR 0 0 0 300 –1 –30 –20 SETTLING TIME (ns) 200 –2 –60 FROM LINEAR FIT (µV) –40 VS = ±2.5V V –3 –90 ICM = VOCM = 0V DIFFERENTIAL OUTPUT ERROR –60 100 V RI = RF = 1k DIFFERENTIAL OUTPUT VOLTAGE (V) OUTDIFF –4 –120 –80 NO LOAD LINEAR FIT FOR –4V < VINDIFF < 4V 0 –5 –150 –100 2 3 4 5 6 7 8 0.5µs/DIV 6362 G22 –5 –4 –3 –2 –1 0 1 2 3 4 5 DIFFERENTIAL OUTPUT STEP (VP-P) VINDIFF (V) 6362 G21 6362 G23
Harmonic Distortion vs Input Harmonic Distortion vs Output Harmonic Distortion vs Frequency Common Mode Voltage Amplitude
–70 –70 –80 VS = 5V, 0V VS = 5V, 0V VS = 5V, 0V VOCM = 2.5V VOCM = 2.5V VOCM = 2.5V –80 R –80 I = RF = 1k RI = RF = 1k RI = RF = 1k V –90 OUTDIFF = 8VP-P VOUTDIFF = 8VP-P fIN = 2kHz SINGLE-ENDED INPUT, –90 f SINGLE-ENDED INPUT, –90 IN = 2kHz GROUND REFERENCED DIFFERENTIAL INPUTS GROUND REFERENCED –100 HD3 –100 HD3 –100 –110 HD2 HD2 –110 DISTORTION (dBc) –110 DISTORTION (dBc) DISTORTION (dBc) –120 HD2 –120 –120 HD3 –130 –130 –140 –130 1 10 100 0 1 2 3 4 5 0 2 4 6 8 10 FREQUENCY (kHz) INPUT COMMON MODE VOLTAGE (V) VOUTDIFF (VP-P) 6362 G24 6362 G25 6362 G26 6362fa 8 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts