參數(shù)資料
型號(hào)： LT1051
廠商： Linear Technology Corporation
元件分類(lèi)： 運(yùn)動(dòng)控制電子
英文描述： Dual/Quad Precision Zero-Drift Operational Amplifiers With Internal Capacitors
中文描述： 雙/四路精密零漂移運(yùn)算放大器電容器內(nèi)部
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 294K
代理商： LT1051
1
LTC1051/LTC1053
Dual/Quad Precision
10513fa
FREQUENCY (Hz)
10
V
√
H
120
100
80
60
40
20
100
1k
10k
1051/53 TA01b
The LTC
1051/LTC1053 are high performance, low cost
dual/quad zero-drift operational amplifiers. The unique
achievement of the LTC1051/LTC1053 is that they integrate
on chip the sample-and-hold capacitors usually required
externally by other chopper amplifiers. Further, the
LTC1051/LTC1053 offer better combined overall DC and
AC performance than is available from other chopper
stabilized amplifiers with or without internal sample/hold
capacitors.
The LTC1051/LTC1053 have an offset voltage of 0.5
μ
V,
drift of 0.01
μ
V/
°
C, DC to 10Hz, input noise voltage typically
1.5
μ
V
P-P
and typical voltage gain of 140dB. The slew rate
of 4V/
μ
s and gain bandwidth product of 2.5MHz are
achieved with only 1mA of supply current per op amp.
Overload recover times from positive and negative
saturation conditions are 1.5ms and 3ms respectively,
about a 100 or more times improvement over chopper
amplifiers using external capacitors.
The LTC1051 is available in an 8-lead standard plastic
dual-in-line package as well as a 16-pin SW package. The
LTC1053 is available in a standard 14-pin plastic package
and an 18-pin SO. The LTC1051/LTC1053 are plug in
replacements for most standard dual/quad op amps with
improved performance.
■
Thermocouple Amplifiers
■
Electronic Scales
■
Medical Instrumentation
■
Strain Gauge Amplifiers
■
High Resolution Data Acquisition
■
DC Accurate R C Active Filters
■
Dual/Quad Low Cost Precision Op Amp
■
No External Components Required
■
Maximum Offset Voltage: 5
μ
V
■
Maximum Offset Voltage Drift: 0.05
μ
V/
°
C
■
Low Noise 1.5
μ
V
P-P
(0.1Hz to 10Hz)
■
Minimum Voltage Gain: 120dB
■
Minimum PSRR: 120dB
■
Minimum CMRR: 114dB
■
Low Supply Current: 1mA/Op Amp
■
Single Supply Operation: 4.75V to 16V
■
Input Common Mode Range Includes Ground
■
Output Swings to Ground
■
Typical Overload Recovery Time: 3ms
■
Pin Compatible with Industry Standard Dual and
Quad Op Amps
APPLICATIU
Zero-Drift Operational Amplifiers
With Internal Capacitors
DESCRIPTIOU
High Performance Low Cost Instrumentation Amplifier
LTC1051 Noise Spectrum
–
+
–
+
5V
1/2
LTC1051
LT1/2
V
IN
V
IN
–5V
R1
R2
R1
R2
1
2
3
4
5
6
7
8
1051/53 TA01a
R1 = 499
, 0.1%
R2 = 100k, 0.1%
GAIN = 201
MEASURED CMRR ~ 120dB AT DC
MEASURED INPUT V
3
μ
V
MEASURED INPUT NOISE 2
μ
V
P-P
(DC – 10Hz)
FEATURES
TYPICAL APPLICATIO
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
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