Datasheet LT1792 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | Low Noise, Precision, JFET Input Op Amp |
| Pages / Page | 12 / 4 — ELECTRICAL CH. ARA TERISTICS The. denotes specifications which apply over … |
| File Format / Size | PDF / 183 Kb |
| Document Language | English |
ELECTRICAL CH. ARA TERISTICS The. denotes specifications which apply over the temperature range. – 40. C. VS =
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LT1792
ELECTRICAL CH C ARA TERISTICS The
●
denotes specifications which apply over the temperature range – 40
°
C
≤
TA
≤
85
°
C. VS =
±
15V, VCM = 0V, unless otherwise noted. (Notes 8, 9) LT1792AC/LT1792AI LT1792C/LT1792I SYMBOL PARAMETER CONDITIONS (Note 2) MIN TYP MAX MIN TYP MAX UNITS
VOS Input Offset Voltage ● 0.5 1.0 1.2 3.7 mV VS = ±5V ● 0.8 1.4 1.5 4.2 mV ∆VOS Average Input Offset (Note 6) ● 4 10 7 40 µV/°C ∆Temp Voltage Drift IOS Input Offset Current ● 300 800 300 800 pA IB Input Bias Current ● 1200 4000 1200 4000 pA VCM Input Voltage Range ● 12.6 13.0 12.6 13.0 V ● –10.0 –10.5 –10.0 –10.5 V CMRR Common Mode Rejection Ratio VCM = –10V to 12.6V ● 80 103 78 98 dB PSRR Power Supply Rejection Ratio VS = ±4.5V to ± 20V ● 83 98 79 96 dB AVOL Large-Signal Voltage Gain VO = ±12V, RL = 10k ● 850 3300 750 3000 V/mV VO = ±10V, RL = 1k ● 400 2200 300 2000 V/mV VOUT Output Voltage Swing RL = 10k ● ±12.8 ±13.1 ±12.8 ±13.1 V RL = 1k ● ±11.8 ±12.1 ±11.8 ±12.1 V SR Slew Rate RL ≥ 2k ● 2.0 3.0 2.0 3.0 V/µs GBW Gain-Bandwidth Product fO = 100kHz ● 2.9 4.3 2.9 4.3 MHz IS Supply Current ● 4.2 5.40 4.2 5.40 mA VS = ±5V ● 4.2 5.35 4.2 5.35 mA
Note 1:
Absolute Maximum Ratings are those values beyond which the
Note 6:
This parameter is not 100% tested. life of a device may be impaired.
Note 7:
Slew rate is measured in AV = – 1; input signal is ±7.5V, output
Note 2:
Typical parameters are defined as the 60% yield of parameter measured at ±2.5V. distributions of individual amplifiers.
Note 8:
The LT1792AC and LT1792C are guaranteed to meet specified
Note 3:
Warmed-up I performance from 0 B and IOS readings are extrapolated to a chip °C to 70°C and are designed, characterized and temperature of 32°C from 25°C measurements and 32°C characterization expected to meet these extended temperature limits, but are not tested at data. – 40°C and 85°C. The LT1792I is guaranteed to meet the extended temperature limits. The LT1792AC and LT1792AI grade are 100%
Note 4:
Current noise is calculated from the formula: temperature tested for the specified temperature range. in = (2qIB)1/2
Note 9:
The LT1792 is measured in an automated tester in less than one where q = 1.6 • 10 –19 coulomb. The noise of source resistors up to 200M second after application of power. Depending on the package used, swamps the contribution of current noise. power dissipation, heat sinking, and air flow conditions, the fully
Note 5:
Input voltage range functionality is assured by testing offset warmed-up chip temperature can be 10°C to 50°C higher than the voltage at the input voltage range limits to a maximum of 2.3mV ambient temperature. (A grade), to 2.8mV (C grade). 4
ELECTRICAL CH C ARA TERISTICS The
●
denotes specifications which apply over the temperature range – 40
°
C
≤
TA
≤
85
°
C. VS =
±
15V, VCM = 0V, unless otherwise noted. (Notes 8, 9) LT1792AC/LT1792AI LT1792C/LT1792I SYMBOL PARAMETER CONDITIONS (Note 2) MIN TYP MAX MIN TYP MAX UNITS
VOS Input Offset Voltage ● 0.5 1.0 1.2 3.7 mV VS = ±5V ● 0.8 1.4 1.5 4.2 mV ∆VOS Average Input Offset (Note 6) ● 4 10 7 40 µV/°C ∆Temp Voltage Drift IOS Input Offset Current ● 300 800 300 800 pA IB Input Bias Current ● 1200 4000 1200 4000 pA VCM Input Voltage Range ● 12.6 13.0 12.6 13.0 V ● –10.0 –10.5 –10.0 –10.5 V CMRR Common Mode Rejection Ratio VCM = –10V to 12.6V ● 80 103 78 98 dB PSRR Power Supply Rejection Ratio VS = ±4.5V to ± 20V ● 83 98 79 96 dB AVOL Large-Signal Voltage Gain VO = ±12V, RL = 10k ● 850 3300 750 3000 V/mV VO = ±10V, RL = 1k ● 400 2200 300 2000 V/mV VOUT Output Voltage Swing RL = 10k ● ±12.8 ±13.1 ±12.8 ±13.1 V RL = 1k ● ±11.8 ±12.1 ±11.8 ±12.1 V SR Slew Rate RL ≥ 2k ● 2.0 3.0 2.0 3.0 V/µs GBW Gain-Bandwidth Product fO = 100kHz ● 2.9 4.3 2.9 4.3 MHz IS Supply Current ● 4.2 5.40 4.2 5.40 mA VS = ±5V ● 4.2 5.35 4.2 5.35 mA
Note 1:
Absolute Maximum Ratings are those values beyond which the
Note 6:
This parameter is not 100% tested. life of a device may be impaired.
Note 7:
Slew rate is measured in AV = – 1; input signal is ±7.5V, output
Note 2:
Typical parameters are defined as the 60% yield of parameter measured at ±2.5V. distributions of individual amplifiers.
Note 8:
The LT1792AC and LT1792C are guaranteed to meet specified
Note 3:
Warmed-up I performance from 0 B and IOS readings are extrapolated to a chip °C to 70°C and are designed, characterized and temperature of 32°C from 25°C measurements and 32°C characterization expected to meet these extended temperature limits, but are not tested at data. – 40°C and 85°C. The LT1792I is guaranteed to meet the extended temperature limits. The LT1792AC and LT1792AI grade are 100%
Note 4:
Current noise is calculated from the formula: temperature tested for the specified temperature range. in = (2qIB)1/2
Note 9:
The LT1792 is measured in an automated tester in less than one where q = 1.6 • 10 –19 coulomb. The noise of source resistors up to 200M second after application of power. Depending on the package used, swamps the contribution of current noise. power dissipation, heat sinking, and air flow conditions, the fully
Note 5:
Input voltage range functionality is assured by testing offset warmed-up chip temperature can be 10°C to 50°C higher than the voltage at the input voltage range limits to a maximum of 2.3mV ambient temperature. (A grade), to 2.8mV (C grade). 4
