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參數(shù)資料
| 型號： | LT1008S8#TR |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 0K |
| 描述： | IC OP AMP PREC SGL UNIV LN 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 0.2 V/µs |
| 電流 - 輸入偏壓： | 100pA |
| 電壓 - 輸入偏移： | 30µV |
| 電流 - 電源： | 380µA |
| 電壓 - 電源，單路/雙路(±)： | ±2 V ~ 18 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SO |
| 包裝： | 帶卷 (TR) |
1
LT1008
1008fb
Picoamp Input Current,
Microvolt Offset,
Low Noise Op Amp
The LT
1008 is a universal precision operational amplifier
that can be used in practically all precision applications.
The LT1008 combines for the first time, picoampere bias
currents (which are maintained over the full – 55
°C to
125
°C temperature range), microvolt offset voltage (and
low drift with time and temperature), low voltage and
current noise, and low power dissipation. Extremely high
common mode and power supply rejection ratios, and the
ability to deliver 5mA load current with high voltage gain
round out the LT1008’s superb precision specifications.
The all around excellence of the LT1008 eliminates the
necessity of the time consuming error analysis procedure
of precision system design in many applications; the
LT1008 can be stocked as the universal precision op amp.
The LT1008 is externally compensated with a single ca-
pacitor for additional flexibility in shaping the frequency
response of the amplifier. It plugs into and upgrades all
standard LM108A/LM308A applications. For an internally
compensated version with even lower offset voltage but
otherwise similar performance see the LT1012.
■ Guaranteed Bias Current
TA = 25°C: 100pA Max
TA = – 55°C to 125°C: 600pA Max
■ Guaranteed Offset Voltage: 120
μV Max
■
Guaranteed Drift: 1.5
μV/°C Max
■ Low Noise, 0.1Hz to 10Hz: 0.5
μVP-P
■ Guaranteed Low Supply Current: 600
μA Max
■
Guaranteed CMRR: 114dB Min
■ Guaranteed PSRR: 114dB Min
■ Guaranteed Voltage Gain with 5mA Load Current
■
Available in 8-Lead PDIP and SO Packages
■ Precision Instrumentation
■ Charge Integrators
■ Wide Dynamic Range Logarithmic Amplifiers
■ Light Meters
■ Low Frequency Active Filters
■ Standard Cell Buffers
■ Thermocouple Amplifiers
Input Amplifier for 4.5 Digit Voltmeter
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
–
+
LT1008
1
1000pF
2
3
100k
5%
8
4
7
15V
–15V
6
0.1V
INPUT
1V
10V
1V
100V
1000V
1008 TA01
TO 1V FULL-SCALE
ANALOG-TO-DIGITAL
CONVERTER
*RATIO MATCH
±0.01%
9M
100V
900k
9k*
0.1V
1k*
1000V
FN507
ALLEN BRADLEY
DECADE VOLTAGE DIVIDER
THIS APPLICATION REQUIRES LOW
BIAS CURRENT AND OFFSET VOLTAGE,
LOW NOISE AND LOW DRIFT WITH
TIME AND TEMPERATURE
90k
10k
TEMPERATURE (
°C)
–50
–150
INPUT
BIAS
CURRENT
(pA)
–50
100
0
50
75
1008 TA02
–100
50
0
–25
25
100
125
UNDERCANCELLED UNIT
OVERCANCELLED UNIT
Input Bias Current vs Temperature
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
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