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參數(shù)資料
| 型號： | LT1101SW#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 0K |
| 描述： | IC PREC INSTRMNT-AMP SNGL 16SOIC |
| 標(biāo)準(zhǔn)包裝： | 47 |
| 放大器類型： | 儀表 |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 0.1 V/µs |
| 增益帶寬積： | 37kHz |
| 電流 - 輸入偏壓： | 6nA |
| 電壓 - 輸入偏移： | 250µV |
| 電流 - 電源： | 94µA |
| 電壓 - 電源，單路/雙路(±)： | 2.2 V ~ 36 V，±1.1 V ~ 18 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SO |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1323 (CN2011-ZH PDF) |
1
LT1101
1101fa
■
Gain Error: 0.04% Max
■
Gain Nonlinearity: 0.0008% (8ppm) Max
■
Gain Drift: 4ppm/°C Max
■
Supply Current: 105A Max
■
Offset Voltage: 160V Max
■
Offset Voltage Drift: 0.4V/°C Typ
■
Offset Current: 600pA Max
■
CMRR, G = 100: 100dB Min
■
0.1Hz to 10Hz Noise: 0.9Vp-p Typ
2.3pAp-p Typ
■
Gain Bandwidth Product: 250kHz Min
■
Single or Dual Supply Operation
■
Surface Mount Package Available
The LT
1101 establishes the following milestones:
(1) It is the first micropower instrumentation amplifier,
(2) It is the first single supply instrumentation amplifier,
(3) It is the first instrumentation amplifier to feature fixed
gains of 10 and/or 100 in low cost, space-saving 8-lead
packages.
The LT1101 is completely self-contained: no external gain
setting resistor is required. The LT1101 combines its
micropower operation (75A supply current) with a
gain error of 0.008%, gain linearity of 3ppm, gain drift of
1ppm/°C. The output is guaranteed to drive a 2k load to
±10V with excellent gain accuracy.
Other precision specifications are also outstanding:
50V input offset voltage, 130pA input offset current, and
low drift (0.4V/°C and 0.7pA/°C). In addition, unlike other
instrumentation amplifiers, there is no output offset
voltage contribution to total error.
A full set of specifications are provided with ±15V dual
supplies and for single 5V supply operation. The LT1101
can be operated from a single lithium cell or two Ni-Cad
batteries. Battery voltage can drop as low as 1.8V, yet the
LT1101 still maintains its gain accuracy. In single supply
applications, both input and output voltages swing
to within a few millivolts of ground. The output sinks
current while swinging to ground—no external, power
consuming pull down resistors are needed.
Precision, Micropower,
Single Supply Instrumentation
Amplifier (Fixed Gain = 10 or 100)
FEATURES
APPLICATIO S
U
DESCRIPTIO
U
■
Differential Signal Amplification in Presence of
Common Mode Voltage
■
Micropower Bridge Transducer Amplifier
– Thermocouples
– Strain Gauges
– Thermistors
■
Differential Voltage-to-Current Converter
■
Transformer Coupled Amplifier
■
4mA to 20mA Bridge Transmitter
, LTC and LT are registered trademarks of Linear Technology Corporation.
Gain Error Distribution
GAIN ERROR (%)
–0.04
0
PERCENT
OF
UNITS
5
10
15
20
–0.02
0
0.02
0.04
25
30
–0.03
–0.01
0.01
0.03
LT1101 TA02
930 UNITS
TESTED
IN ALL PACKAGES
G = 100
RL = 50k
TA = 25°C
TYPICAL APPLICATIO
U
–
+
–
+
LT1101 TA01
OUTPUT
90R
9R
90R
9R
R
AB
R ≈ 9.2k
R
V+
V–
INVERTING
INPUT
GROUND PIN 1, OUTPUT AT PIN 8
G = 100: NO ADDITIONAL CONNECTIONS
G = 10: SHORT PIN 2 TO PIN 1, SHORT PIN 7 TO PIN 8
SHORT TO 1,
G = 10
N.C. G = 100
GROUND
(REF)
8
7
6
5
4
3
2
1
SHORT TO 8
G = 10
N.C. G = 100
NONINVERTING
INPUT
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