Datasheet LT1993-4 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | 900MHz Low Distortion, Low Noise Differential Amplifier/ADC Driver (AV = 4V/V) |
| Seiten / Seite | 20 / 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
Modelllinie für dieses Datenblatt
Textversion des Dokuments
LT1993-4 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 0.5V to 4.3V 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 = 1.2V to 3.6V 0.9 1 1.1 V/V Differential (+OUT, –OUT), VOCM = 1.4V to 3.4V l 0.9 1.1 V/V VOCMMIN Output Common Mode Voltage Measured Single-Ended at +OUT and –OUT 1.2 V Adjustment Range, MIN l 1.4 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 Measured from VOCM to Average of +OUT and –OUT l –30 2 30 mV Voltage 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) 500 900 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 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information DC Electrical Characteristics AC Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Application Package Description Revision History Typical Application Related Parts
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 0.5V to 4.3V 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 = 1.2V to 3.6V 0.9 1 1.1 V/V Differential (+OUT, –OUT), VOCM = 1.4V to 3.4V l 0.9 1.1 V/V VOCMMIN Output Common Mode Voltage Measured Single-Ended at +OUT and –OUT 1.2 V Adjustment Range, MIN l 1.4 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 Measured from VOCM to Average of +OUT and –OUT l –30 2 30 mV Voltage 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) 500 900 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 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information DC Electrical Characteristics AC Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Application Package Description Revision History Typical Application Related Parts