Datasheet LT1677 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | Low Noise, Rail-to-Rail Precision Op Amp |
| 页数 / 页 | 20 / 7 — ELECTRICAL CHARACTERISTICS The. denotes the specifications which apply … |
| 文件格式/大小 | PDF / 561 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS The. denotes the specifications which apply over the full operating
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LT1677
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VS =
±
15V, VCM = VO = 0V unless otherwise noted. SYMBOL PARAMETER CONDITIONS (Note 6) MIN TYP MAX UNITS
THD Total Harmonic Distortion RL = 2k, AV = 1, fO = 1kHz, VO = 10VP-P 0.0006 % tS Settling Time 10V Step 0.1%, AV = +1 5 µs 10V Step 0.01%, AV = +1 6 µs RO Open-Loop Output Resistance IOUT = 0 80 Ω Closed-Loop Output Resistance AV = 100, f = 10kHz 1 Ω IS Supply Current 2.75 3.5 mA 0°C ≤ TA ≤ 70°C ● 3.00 3.9 mA – 40°C ≤ TA ≤ 85°C ● 3.10 4.0 mA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 6:
Typical parameters are defined as the 60% yield of parameter may cause permanent damage to the device. Exposure to any Absolute distributions of individual amplifier; i.e., out of 100 LT1677s, typically 60 Maximum Rating condition for extended periods may affect device op amps will be better than the indicated specification. reliability and lifetime.
Note 7:
See the test circuit and frequency response curve for 0.1Hz to
Note 2:
The inputs are protected by back-to-back diodes. Current limiting 10Hz tester in the Applications Information section of the LT1677 data resistors are not used in order to achieve low noise. If differential input sheet. voltage exceeds ±1.4V, the input current should be limited to 25mA. If the
Note 8:
Noise is 100% tested at ±15V supplies. common mode range exceeds either rail, the input current should be
Note 9:
Slew rate is measured in AV = – 1; input signal is ±7.5V, output limited to 10mA. measured at ±2.5V.
Note 3:
A heat sink may be required to keep the junction temperature
Note 10:
This parameter is not 100% tested. VS = 3V and 5V limits are below absolute maximum. guaranteed by correlation to VS = ±15V test.
Note 4:
The LT1677C and LT1677I are guaranteed functional over the
Note 11:
VS = 5V limits are guaranteed by correlation to VS = 3V and Operating Temperature Range of – 40°C to 85°C. VS = ±15V tests.
Note 5:
The LT1677C is guaranteed to meet specified performance from
Note 12:
VS = 3V limits are guaranteed by correlation to VS = 5V and 0°C to 70°C. The LT1677C is designed, characterized and expected to VS = ±15V tests. meet specified performance from – 40°C to 85°C but is not tested or QA
Note 13:
Guaranteed by correlation to slew rate at V sampled at these temperatures. The LT1677I is guaranteed to meet S = ±15V and GBW at V specified performance from – 40°C to 85°C. S = 3V and VS = ±15V tests.
W U TYPICAL PERFOR A CE CHARACTERISTICS Voltage Noise vs Frequency 0.1Hz to 10Hz Voltage Noise 0.01Hz to 1Hz Voltage Noise
100 √Hz) 1/f CORNER 10Hz VCM < –14.5V 1/f CORNER 8.5Hz 10 V V CM CM > 14.5V –13.5V TO 14.5V VOLTAGE NOISE (20nV/DIV) VOLTAGE NOISE (20nV/DIV) 1/f CORNER 13Hz V RMS VOLTAGE NOISE DENSITY (nV/ S = ±15V TA = 25°C 1 0.1 1 10 100 1000 0 2 4 6 8 10 0 20 40 60 80 100 FREQUENCY (Hz) TIME (SECONDS) TIME (SECONDS) 1677 G01 1677 G03 1677 G04 1677fa 7
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VS =
±
15V, VCM = VO = 0V unless otherwise noted. SYMBOL PARAMETER CONDITIONS (Note 6) MIN TYP MAX UNITS
THD Total Harmonic Distortion RL = 2k, AV = 1, fO = 1kHz, VO = 10VP-P 0.0006 % tS Settling Time 10V Step 0.1%, AV = +1 5 µs 10V Step 0.01%, AV = +1 6 µs RO Open-Loop Output Resistance IOUT = 0 80 Ω Closed-Loop Output Resistance AV = 100, f = 10kHz 1 Ω IS Supply Current 2.75 3.5 mA 0°C ≤ TA ≤ 70°C ● 3.00 3.9 mA – 40°C ≤ TA ≤ 85°C ● 3.10 4.0 mA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 6:
Typical parameters are defined as the 60% yield of parameter may cause permanent damage to the device. Exposure to any Absolute distributions of individual amplifier; i.e., out of 100 LT1677s, typically 60 Maximum Rating condition for extended periods may affect device op amps will be better than the indicated specification. reliability and lifetime.
Note 7:
See the test circuit and frequency response curve for 0.1Hz to
Note 2:
The inputs are protected by back-to-back diodes. Current limiting 10Hz tester in the Applications Information section of the LT1677 data resistors are not used in order to achieve low noise. If differential input sheet. voltage exceeds ±1.4V, the input current should be limited to 25mA. If the
Note 8:
Noise is 100% tested at ±15V supplies. common mode range exceeds either rail, the input current should be
Note 9:
Slew rate is measured in AV = – 1; input signal is ±7.5V, output limited to 10mA. measured at ±2.5V.
Note 3:
A heat sink may be required to keep the junction temperature
Note 10:
This parameter is not 100% tested. VS = 3V and 5V limits are below absolute maximum. guaranteed by correlation to VS = ±15V test.
Note 4:
The LT1677C and LT1677I are guaranteed functional over the
Note 11:
VS = 5V limits are guaranteed by correlation to VS = 3V and Operating Temperature Range of – 40°C to 85°C. VS = ±15V tests.
Note 5:
The LT1677C is guaranteed to meet specified performance from
Note 12:
VS = 3V limits are guaranteed by correlation to VS = 5V and 0°C to 70°C. The LT1677C is designed, characterized and expected to VS = ±15V tests. meet specified performance from – 40°C to 85°C but is not tested or QA
Note 13:
Guaranteed by correlation to slew rate at V sampled at these temperatures. The LT1677I is guaranteed to meet S = ±15V and GBW at V specified performance from – 40°C to 85°C. S = 3V and VS = ±15V tests.
W U TYPICAL PERFOR A CE CHARACTERISTICS Voltage Noise vs Frequency 0.1Hz to 10Hz Voltage Noise 0.01Hz to 1Hz Voltage Noise
100 √Hz) 1/f CORNER 10Hz VCM < –14.5V 1/f CORNER 8.5Hz 10 V V CM CM > 14.5V –13.5V TO 14.5V VOLTAGE NOISE (20nV/DIV) VOLTAGE NOISE (20nV/DIV) 1/f CORNER 13Hz V RMS VOLTAGE NOISE DENSITY (nV/ S = ±15V TA = 25°C 1 0.1 1 10 100 1000 0 2 4 6 8 10 0 20 40 60 80 100 FREQUENCY (Hz) TIME (SECONDS) TIME (SECONDS) 1677 G01 1677 G03 1677 G04 1677fa 7