Datasheet LT1457 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | Dual, Precision JFET Input Op Amp |
| 页数 / 页 | 8 / 3 — ELECTRICAL CHARACTERISTICS VS =. 15V, TA = 25. C,VCM = 0V unless … |
| 文件格式/大小 | PDF / 226 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS VS =. 15V, TA = 25. C,VCM = 0V unless otherwise noted. (Note 1). LT1457AC. LT1457C/LT1457S8
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文件文字版本
LT1457
ELECTRICAL CHARACTERISTICS VS =
±
15V, TA = 25
°
C,VCM = 0V unless otherwise noted. (Note 1) LT1457AC LT1457C/LT1457S8 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
GBW Gain-Bandwidth Product (Note 5) 1.0 1.7 1.0 1.7 MHz IS Supply Current Per Amplifier 1.8 3.0 1.8 3.0 mA Channel Separation DC to 5kHz, VIN = ±10V 132 130 dB
ELECTRICAL CHARACTERISTICS VS =
±
15V, VCM = 0V, 0
°
C
≤
TA
≤
70
°
C, unless otherwise noted. LT1457AC LT1457C/LT1457S8 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VOS Input Offset Voltage LT1457AC/C ● 250 900 330 1500 µV LT1457S8 ● 400 1900 µV Average Temperature Coefficient of ● 3 10 4 16 µV/°C Input Offset Voltage (Note 4) IOS Input Offset Current Warmed Up, TA = 70°C 18 150 20 250 pA IB Input Bias Current Warmed Up, TA = 70°C ±50 ±250 ±60 ±350 pA AVOL Large-Signal Voltage Gain VO = ±10V, RL = 2k ● 70 220 50 200 V/mV CMRR Common-Mode Rejection Ratio VCM = ±10.4V ● 85 98 80 96 dB PSRR Power Supply Rejection Ratio VS = ±4.5V to ±18V ● 87 102 84 100 dB VOUT Output Voltage Swing RL = 2k ● ±12 ±12.8 ±12 ±12.8 V IS Supply Current Per Amplifier ● 3.2 3.2 mA TA = 70°C 1.7 1.7 mA
ELECTRICAL CHARACTERISTICS VS =
±
15V, VCM = 0V, –40
°
C
≤
TA
≤
85
°
C, unless otherwise noted. (Note 6) LT1457AC LT1457C/LT1457S8 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VOS Input Offset Voltage LT1457AC/C ● 350 1100 400 1800 µV LT1457S8 ● 500 2300 µV Average Temperature Coefficient of ● 3 10 4 16 µV/°C Input Offset Voltage IOS Input Offset Current Warmed Up, TA = 85°C 0.1 0.5 0.1 0.6 nA IB Input Bias Current Warmed Up, TA = 85°C ±0.2 ±0.7 ±0.2 ±0.9 nA AVOL Large-Signal Voltage Gain VO = ±10V, RL = 2k ● 40 120 30 110 V/mV CMRR Common-Mode Rejection Ratio VCM = ±10.4V ● 84 97 80 95 dB PSRR Power Supply Rejection Ratio VS = ±5V to ±17V ● 86 100 83 98 dB VOUT Output Voltage Swing RL = 2k ● ±12 ±12.7 ±12 ±12.6 V IS Supply Current Per Amplifier TA = – 40°C 3.8 3.8 mA TA = 85°C 1.7 1.7 mA The ● denotes the specifications which apply over the full operating
Note 4:
This parameter is not 100% tested. temperature range.
Note 5:
Gain-Bandwidth product is not tested. It is guaranteed by design
Note 1:
Typical parameters are defined as the 60% yield of distributions of and by inference from the slew rate measurement. individual amplifiers; i.e., out of 100 LT1457s (200 op amps) typically 120
Note 6:
The LT1457 is not tested and not quality-assurance-sampled at will be better than the indicated specification. – 40°C and at 85°C. These specifications are guaranteed by design,
Note 2:
This parameter is tested on a sample basis only. correlation, and/or inference from 0°C, 25°C, and 70°C tests.
Note 3:
Current noise is calculated from the formula: in = (2qIb)1/2, where q = 1.6 x 10–19 coulomb. The noise of source resistors up to 1GΩ swamps the contribution of current noise. 3
ELECTRICAL CHARACTERISTICS VS =
±
15V, TA = 25
°
C,VCM = 0V unless otherwise noted. (Note 1) LT1457AC LT1457C/LT1457S8 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
GBW Gain-Bandwidth Product (Note 5) 1.0 1.7 1.0 1.7 MHz IS Supply Current Per Amplifier 1.8 3.0 1.8 3.0 mA Channel Separation DC to 5kHz, VIN = ±10V 132 130 dB
ELECTRICAL CHARACTERISTICS VS =
±
15V, VCM = 0V, 0
°
C
≤
TA
≤
70
°
C, unless otherwise noted. LT1457AC LT1457C/LT1457S8 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VOS Input Offset Voltage LT1457AC/C ● 250 900 330 1500 µV LT1457S8 ● 400 1900 µV Average Temperature Coefficient of ● 3 10 4 16 µV/°C Input Offset Voltage (Note 4) IOS Input Offset Current Warmed Up, TA = 70°C 18 150 20 250 pA IB Input Bias Current Warmed Up, TA = 70°C ±50 ±250 ±60 ±350 pA AVOL Large-Signal Voltage Gain VO = ±10V, RL = 2k ● 70 220 50 200 V/mV CMRR Common-Mode Rejection Ratio VCM = ±10.4V ● 85 98 80 96 dB PSRR Power Supply Rejection Ratio VS = ±4.5V to ±18V ● 87 102 84 100 dB VOUT Output Voltage Swing RL = 2k ● ±12 ±12.8 ±12 ±12.8 V IS Supply Current Per Amplifier ● 3.2 3.2 mA TA = 70°C 1.7 1.7 mA
ELECTRICAL CHARACTERISTICS VS =
±
15V, VCM = 0V, –40
°
C
≤
TA
≤
85
°
C, unless otherwise noted. (Note 6) LT1457AC LT1457C/LT1457S8 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VOS Input Offset Voltage LT1457AC/C ● 350 1100 400 1800 µV LT1457S8 ● 500 2300 µV Average Temperature Coefficient of ● 3 10 4 16 µV/°C Input Offset Voltage IOS Input Offset Current Warmed Up, TA = 85°C 0.1 0.5 0.1 0.6 nA IB Input Bias Current Warmed Up, TA = 85°C ±0.2 ±0.7 ±0.2 ±0.9 nA AVOL Large-Signal Voltage Gain VO = ±10V, RL = 2k ● 40 120 30 110 V/mV CMRR Common-Mode Rejection Ratio VCM = ±10.4V ● 84 97 80 95 dB PSRR Power Supply Rejection Ratio VS = ±5V to ±17V ● 86 100 83 98 dB VOUT Output Voltage Swing RL = 2k ● ±12 ±12.7 ±12 ±12.6 V IS Supply Current Per Amplifier TA = – 40°C 3.8 3.8 mA TA = 85°C 1.7 1.7 mA The ● denotes the specifications which apply over the full operating
Note 4:
This parameter is not 100% tested. temperature range.
Note 5:
Gain-Bandwidth product is not tested. It is guaranteed by design
Note 1:
Typical parameters are defined as the 60% yield of distributions of and by inference from the slew rate measurement. individual amplifiers; i.e., out of 100 LT1457s (200 op amps) typically 120
Note 6:
The LT1457 is not tested and not quality-assurance-sampled at will be better than the indicated specification. – 40°C and at 85°C. These specifications are guaranteed by design,
Note 2:
This parameter is tested on a sample basis only. correlation, and/or inference from 0°C, 25°C, and 70°C tests.
Note 3:
Current noise is calculated from the formula: in = (2qIb)1/2, where q = 1.6 x 10–19 coulomb. The noise of source resistors up to 1GΩ swamps the contribution of current noise. 3