LTC1051/LTC1053
Dual/Quad Precision
Zero-Drift Operational Amplifiers
With Internal Capacitors
DESCRIPTIO
The LTC
廬
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碌V,
drift of 0.01碌V/擄C, DC to 10Hz, input noise voltage typically
1.5碌V
P-P
and typical voltage gain of 140dB. The slew rate
of 4V/碌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.
FEATURES
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Dual/Quad Low Cost Precision Op Amp
No External Components Required
Maximum Offset Voltage: 5碌V
Maximum Offset Voltage Drift: 0.05碌V/擄C
Low Noise 1.5碌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
APPLICATIO S
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Thermocouple Amplifiers
Electronic Scales
Medical Instrumentation
Strain Gauge Amplifiers
High Resolution Data Acquisition
DC Accurate R C Active Filters
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
R1
5V
R2
2
High Performance Low Cost Instrumentation Amplifier
120
R2
VOLTAGE NOISE DENSITY (nV鈭欻z)
LTC1051 Noise Spectrum
100
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+
8
1
R1
6
V
IN
3
1/2
LTC1051
80
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1/2
LTC1051
7
R1 = 499鈩? 0.1%
R2 = 100k, 0.1%
GAIN = 201
MEASURED CMRR ~ 120dB AT DC
MEASURED INPUT V
OS
3碌V
MEASURED INPUT NOISE 2碌V
P-P
(DC 鈥?10Hz)
V
IN
5
60
+
4
鈥?5V
40
20
1051/53 TA01a
10
U
U
U
100
1k
FREQUENCY (Hz)
10k
1051/53 TA01b
10513fa
1
next
LTC1051CSW 產(chǎn)品屬性
LTC1051/53
47
集成電路 (IC)
Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
-
斷路器(零漂移)
2
-
4 V/µs
2.5MHz
-
15pA
0.5µV
1mA
-
4.75 V ~ 16 V,±2.38 V ~ 8 V
0°C ~ 70°C
表面貼裝
16-SOIC(0.295",7.50mm 寬)
16-SO
管件
LTC1051CS
LTC1051CSW相關(guān)型號(hào)PDF文件下載
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型號(hào)
版本
描述
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