Datasheet LT2078, LT2079 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Micropower, Dual and Quad, Single Supply, Precision Op Amps |
| 页数 / 页 | 16 / 5 — ELECTRICAL CHARACTERISTICS The. denotes the specifications which apply … |
| 文件格式/大小 | PDF / 348 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS The. denotes the specifications which apply over the full operating
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LT 2078/LT 2079
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VS =
±
15V, 0
°
C
≤
TA
≤
70
°
C, unless otherwise noted (Note 7). LT2078AC/LT2079AC LT2078C/LT2079C SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VOS Input Offset Voltage LT2078 ● 70 330 90 460 µV LT2079 ● 80 410 100 540 µV ∆VOS Input Offset Voltage Drift LT2078 ● 0.5 1.8 0.6 2.5 µV/°C ∆T (Note 6) LT2079 ● 0.6 3.0 0.7 3.8 µV/°C IOS Input Offset Current ● 0.06 0.35 0.06 0.50 nA IB Input Bias Current ● 6 9 6 11 nA AVOL Large-Signal Voltage Gain VO = ±10V, RL = 5k ● 300 1200 250 1200 V/mV CMRR Common Mode Rejection Ratio VCM = 13V, –15V ● 95 112 92 112 dB PSRR Power Supply Rejection Ratio VS = 5V, 0V to ±18V ● 98 112 95 112 dB Maximum Output Voltage Swing RL = 5k ● ±11.0 ±13.6 ±11.0 ±13.6 V IS Supply Current per Amplifier ● 49 73 50 85 µA
Note 1:
Absolute Maximum Ratings are those values beyond which the life
Note 4:
This parameter is guaranteed by design and is not tested. of a device may be impaired.
Note 5:
Power supply rejection ratio is measured at the minimum supply
Note 2:
Typical parameters are defined as the 60% yield of parameter voltage. The op amps actually work at 1.8V supply but with a typical offset distributions of individual amplifiers, i.e., out of 100 LT2079s (or 100 skew of – 300µV. LT2078s) typically 240 op amps (or 120) will be better than the indicated
Note 6:
This parameter is not 100% tested. specification.
Note 7:
The LT2078C/LT2079C are designed, characterized and expected
Note 3:
This parameter is tested on a sample basis only. All noise to meet the industrial temperature limits, but are not tested at – 40°C and parameters are tested with VS = ±2.5V, VO = 0V. 85°C. I-grade parts are guaranteed.
W U TYPICAL PERFORMANCE CHARACTERISTICS Distribution of Offset Voltage Input Bias and Offset Currents vs Input Bias Current vs Drift with Temperature Temperature Common Mode Voltage
100 0 25 V V S = 5V, 0V TO ±15V S = 5V, 0V VS = 5V, 0V VCM = 0.1V I –2 50 OS 20 80 LT2078'S TA = 125°C 25 LT2079'S = 260 OP AMPS –4 TA = –55°C 0 15 OFFSET CURRENT (pA) –6 TA = 25°C –5 10 –8 IB PERCENT OF UNITS (%) INPUT BIAS CURRENT (nA) –6 5 –10 0 BIAS CURRENT (nA) –7 –12 –50 –25 0 25 50 75 100 125 –1 0 1 2 3 4 –2 –1 0 1 2 TEMPERATURE (°C) COMMON MODE VOLTAGE (V) OFFSET VOLTAGE DRIFT WITH TEMPERATURE (µV/°C) LT2078/79 • TPC02 LT2078/79 • TPC03 LT2078/79 • TPC01 20789fa 5
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VS =
±
15V, 0
°
C
≤
TA
≤
70
°
C, unless otherwise noted (Note 7). LT2078AC/LT2079AC LT2078C/LT2079C SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VOS Input Offset Voltage LT2078 ● 70 330 90 460 µV LT2079 ● 80 410 100 540 µV ∆VOS Input Offset Voltage Drift LT2078 ● 0.5 1.8 0.6 2.5 µV/°C ∆T (Note 6) LT2079 ● 0.6 3.0 0.7 3.8 µV/°C IOS Input Offset Current ● 0.06 0.35 0.06 0.50 nA IB Input Bias Current ● 6 9 6 11 nA AVOL Large-Signal Voltage Gain VO = ±10V, RL = 5k ● 300 1200 250 1200 V/mV CMRR Common Mode Rejection Ratio VCM = 13V, –15V ● 95 112 92 112 dB PSRR Power Supply Rejection Ratio VS = 5V, 0V to ±18V ● 98 112 95 112 dB Maximum Output Voltage Swing RL = 5k ● ±11.0 ±13.6 ±11.0 ±13.6 V IS Supply Current per Amplifier ● 49 73 50 85 µA
Note 1:
Absolute Maximum Ratings are those values beyond which the life
Note 4:
This parameter is guaranteed by design and is not tested. of a device may be impaired.
Note 5:
Power supply rejection ratio is measured at the minimum supply
Note 2:
Typical parameters are defined as the 60% yield of parameter voltage. The op amps actually work at 1.8V supply but with a typical offset distributions of individual amplifiers, i.e., out of 100 LT2079s (or 100 skew of – 300µV. LT2078s) typically 240 op amps (or 120) will be better than the indicated
Note 6:
This parameter is not 100% tested. specification.
Note 7:
The LT2078C/LT2079C are designed, characterized and expected
Note 3:
This parameter is tested on a sample basis only. All noise to meet the industrial temperature limits, but are not tested at – 40°C and parameters are tested with VS = ±2.5V, VO = 0V. 85°C. I-grade parts are guaranteed.
W U TYPICAL PERFORMANCE CHARACTERISTICS Distribution of Offset Voltage Input Bias and Offset Currents vs Input Bias Current vs Drift with Temperature Temperature Common Mode Voltage
100 0 25 V V S = 5V, 0V TO ±15V S = 5V, 0V VS = 5V, 0V VCM = 0.1V I –2 50 OS 20 80 LT2078'S TA = 125°C 25 LT2079'S = 260 OP AMPS –4 TA = –55°C 0 15 OFFSET CURRENT (pA) –6 TA = 25°C –5 10 –8 IB PERCENT OF UNITS (%) INPUT BIAS CURRENT (nA) –6 5 –10 0 BIAS CURRENT (nA) –7 –12 –50 –25 0 25 50 75 100 125 –1 0 1 2 3 4 –2 –1 0 1 2 TEMPERATURE (°C) COMMON MODE VOLTAGE (V) OFFSET VOLTAGE DRIFT WITH TEMPERATURE (µV/°C) LT2078/79 • TPC02 LT2078/79 • TPC03 LT2078/79 • TPC01 20789fa 5