Datasheet LT1993-2 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | 800MHz Low Distortion, Low Noise Differential Amplifier ADC Driver (Av = 2V/V) |
| Seiten / Seite | 22 / 3 — The. denotes the specifications which apply over the full operating |
| Revision | B |
| Dateiformat / Größe | PDF / 2.4 Mb |
| Dokumentensprache | Englisch |
The. denotes the specifications which apply over the full operating
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LT1993-2 DC ELECTRICAL CHARACTERISTICS
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCCA = VCCB = VCCC = 5V, VEEA = VEEB = VEEC = 0V, ENABLE = 0.8V, +INA shorted to +INB (+IN), –INA shorted to –INB (–IN), VOCM = 2.2V, Input common mode voltage = 2.2V, no RLOAD unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CINDIFF Differential Input Capacitance 1 pF CMRR Common Mode Rejection Ratio Input Common Mode –0.1V to 5.1V l 45 70 dB ROUTDIFF Output Resistance 0.3 COUTDIFF Output Capacitance 0.8 pF
Common Mode Voltage Control (VOCM Pin)
GCM Common Mode Gain Differential (+OUT, –OUT), VOCM = 1.1V to 3.6V 0.9 1 1.1 V/V Differential (+OUT, –OUT), VOCM = 1.3V to 3.4V l 0.9 1.1 V/V VOCMMIN Output Common Mode Voltage Measured Single-Ended at +OUT and –OUT 1.1 V Adjustment Range, MIN l 1.3 V VOCMMAX Output Common Mode Voltage Measured Single-Ended at +OUT and –OUT 3.6 V Adjustment Range, MAX l 3.4 V VOSCM Output Common Mode Offset Voltage Measured from VOCM to Average of +OUT and –OUT l –30 4 30 mV IBIASCM VOCM Input Bias Current l 5 15 µA RINCM VOCM Input Resistance l 0.8 3 M CINCM VOCM Input Capacitance 1 pF
ENABLE Pin
VIL ENABLE Input Low Voltage l 0.8 V VIH ENABLE Input High Voltage l 2 V IIL ENABLE Input Low Current ENABLE = 0.8V l 0.5 µA IIH ENABLE Input High Current ENABLE = 2V l 1 3 µA
Power Supply
VS Operating Range l 4 5 5.5 V IS Supply Current ENABLE = 0.8V l 88 100 112 mA ISDISABLED Supply Current (Disabled) ENABLE = 2V l 250 500 µA PSRR Power Supply Rejection Ratio 4V to 5.5V l 55 90 dB AC ELECTRICAL CHARACTERISTICS
TA = 25°C, VCCA = VCCB = VCCC = 5V, VEEA = VEEB = VEEC = 0V, ENABLE = 0.8V, +INA shorted to +INB (+IN), –INA shorted to –INB (–IN), VOCM = 2.2V, Input common mode voltage = 2.2V, no RLOAD unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input/Output Characteristics
–3dBBW –3dB Bandwidth 200mVP-P Differential (+OUT, –OUT) 500 800 MHz 0.1dBBW Bandwidth for 0.1dB Flatness 200mVP-P Differential (+OUT, –OUT) 50 MHz 0.5dBBW Bandwidth for 0.5dB Flatness 200mVP-P Differential (+OUT, –OUT) 100 MHz SR Slew Rate 3.2VP-P Differential (+OUT, –OUT) 1100 V/µs ts1% 1% Settling Time 1% Settling for a 1VP-P Differential Step 4 ns (+OUT, –OUT) tON Turn-On Time 40 ns tOFF Turn-Off Time 250 ns Rev B For more information www.analog.com 3
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCCA = VCCB = VCCC = 5V, VEEA = VEEB = VEEC = 0V, ENABLE = 0.8V, +INA shorted to +INB (+IN), –INA shorted to –INB (–IN), VOCM = 2.2V, Input common mode voltage = 2.2V, no RLOAD unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CINDIFF Differential Input Capacitance 1 pF CMRR Common Mode Rejection Ratio Input Common Mode –0.1V to 5.1V l 45 70 dB ROUTDIFF Output Resistance 0.3 COUTDIFF Output Capacitance 0.8 pF
Common Mode Voltage Control (VOCM Pin)
GCM Common Mode Gain Differential (+OUT, –OUT), VOCM = 1.1V to 3.6V 0.9 1 1.1 V/V Differential (+OUT, –OUT), VOCM = 1.3V to 3.4V l 0.9 1.1 V/V VOCMMIN Output Common Mode Voltage Measured Single-Ended at +OUT and –OUT 1.1 V Adjustment Range, MIN l 1.3 V VOCMMAX Output Common Mode Voltage Measured Single-Ended at +OUT and –OUT 3.6 V Adjustment Range, MAX l 3.4 V VOSCM Output Common Mode Offset Voltage Measured from VOCM to Average of +OUT and –OUT l –30 4 30 mV IBIASCM VOCM Input Bias Current l 5 15 µA RINCM VOCM Input Resistance l 0.8 3 M CINCM VOCM Input Capacitance 1 pF
ENABLE Pin
VIL ENABLE Input Low Voltage l 0.8 V VIH ENABLE Input High Voltage l 2 V IIL ENABLE Input Low Current ENABLE = 0.8V l 0.5 µA IIH ENABLE Input High Current ENABLE = 2V l 1 3 µA
Power Supply
VS Operating Range l 4 5 5.5 V IS Supply Current ENABLE = 0.8V l 88 100 112 mA ISDISABLED Supply Current (Disabled) ENABLE = 2V l 250 500 µA PSRR Power Supply Rejection Ratio 4V to 5.5V l 55 90 dB AC ELECTRICAL CHARACTERISTICS
TA = 25°C, VCCA = VCCB = VCCC = 5V, VEEA = VEEB = VEEC = 0V, ENABLE = 0.8V, +INA shorted to +INB (+IN), –INA shorted to –INB (–IN), VOCM = 2.2V, Input common mode voltage = 2.2V, no RLOAD unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input/Output Characteristics
–3dBBW –3dB Bandwidth 200mVP-P Differential (+OUT, –OUT) 500 800 MHz 0.1dBBW Bandwidth for 0.1dB Flatness 200mVP-P Differential (+OUT, –OUT) 50 MHz 0.5dBBW Bandwidth for 0.5dB Flatness 200mVP-P Differential (+OUT, –OUT) 100 MHz SR Slew Rate 3.2VP-P Differential (+OUT, –OUT) 1100 V/µs ts1% 1% Settling Time 1% Settling for a 1VP-P Differential Step 4 ns (+OUT, –OUT) tON Turn-On Time 40 ns tOFF Turn-Off Time 250 ns Rev B For more information www.analog.com 3