Datasheet LT1793 (Analog Devices) - 4
| Fabricante | Analog Devices |
| Descripción | Low Noise, Picoampere Bias Current, JFET Input Op Amp |
| Páginas / Página | 12 / 4 — ELECTRICAL CH. ARA TERISTICS The. denotes specifications which apply over … |
| Formato / tamaño de archivo | PDF / 176 Kb |
| Idioma del documento | Inglés |
ELECTRICAL CH. ARA TERISTICS The. denotes specifications which apply over the temperature range. – 40. C. VS =
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LT1793
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) LT1793AC/LT1793AI LT1793C/LT1793I SYMBOL PARAMETER CONDITIONS (Note 2) MIN TYP MAX MIN TYP MAX UNITS
VOS Input Offset Voltage ● 0.65 1.3 1.6 4.8 mV VS = ±5V ● 1.00 1.9 2.0 5.5 mV ∆VOS Average Input Offset (Note 6) ● 5 13 9 50 µV/°C ∆Temp Voltage Drift IOS Input Offset Current ● 80 300 100 400 pA IB Input Bias Current ● 700 2400 800 3000 pA VCM Input Voltage Range (Note 5) ● 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 ● 78 99 76 94 dB PSRR Power Supply Rejection Ratio VS = ±4.5V to ± 20V ● 81 96 79 93 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 ● 2.1 3.2 2.1 3.2 V/µs GBW Gain-Bandwidth Product fO = 100kHz ● 2 3.1 2 3.1 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 life
Note 6:
This parameter is not 100% tested. 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 LT1793AC and LT1793C are guaranteed to meet specified
Note 3:
IB and IOS readings are extrapolated to a warmed-up temperature performance from 0°C to 70°C and are designed, characterized and from 25°C measurements and 32°C characterization data. expected to meet these extended temperature limits, but are not tested at
Note 4:
Current noise is calculated from the formula: – 40°C and 85°C. The LT1793I is guaranteed to meet the extended i temperature limits. The LT1793AC and LT1793AI grade are 100% n = (2qIB)1/2 temperature tested for the specified temperature range. where q = 1.6 • 10 –19 coulomb. The noise of source resistors up to 200M swamps the contribution of current noise.
Note 9:
The LT1793 is measured in an automated tester in less than one second after application of power. Depending on the package used, power
Note 5:
Input voltage range functionality is assured by testing offset dissipation, heat sinking, and air flow conditions, the fully warmed-up chip voltage at the input voltage range limits to a maximum of 2.3mV temperature can be 10°C to 50°C higher than the 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) LT1793AC/LT1793AI LT1793C/LT1793I SYMBOL PARAMETER CONDITIONS (Note 2) MIN TYP MAX MIN TYP MAX UNITS
VOS Input Offset Voltage ● 0.65 1.3 1.6 4.8 mV VS = ±5V ● 1.00 1.9 2.0 5.5 mV ∆VOS Average Input Offset (Note 6) ● 5 13 9 50 µV/°C ∆Temp Voltage Drift IOS Input Offset Current ● 80 300 100 400 pA IB Input Bias Current ● 700 2400 800 3000 pA VCM Input Voltage Range (Note 5) ● 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 ● 78 99 76 94 dB PSRR Power Supply Rejection Ratio VS = ±4.5V to ± 20V ● 81 96 79 93 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 ● 2.1 3.2 2.1 3.2 V/µs GBW Gain-Bandwidth Product fO = 100kHz ● 2 3.1 2 3.1 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 life
Note 6:
This parameter is not 100% tested. 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 LT1793AC and LT1793C are guaranteed to meet specified
Note 3:
IB and IOS readings are extrapolated to a warmed-up temperature performance from 0°C to 70°C and are designed, characterized and from 25°C measurements and 32°C characterization data. expected to meet these extended temperature limits, but are not tested at
Note 4:
Current noise is calculated from the formula: – 40°C and 85°C. The LT1793I is guaranteed to meet the extended i temperature limits. The LT1793AC and LT1793AI grade are 100% n = (2qIB)1/2 temperature tested for the specified temperature range. where q = 1.6 • 10 –19 coulomb. The noise of source resistors up to 200M swamps the contribution of current noise.
Note 9:
The LT1793 is measured in an automated tester in less than one second after application of power. Depending on the package used, power
Note 5:
Input voltage range functionality is assured by testing offset dissipation, heat sinking, and air flow conditions, the fully warmed-up chip voltage at the input voltage range limits to a maximum of 2.3mV temperature can be 10°C to 50°C higher than the ambient temperature. (A grade) to 2.8mV (C grade). 4