参数资料
型号: LTC2051CDD#TRPBF
厂商: Linear Technology
文件页数: 1/12页
文件大小: 0K
描述: IC OPAMP ZERO-DRIFT DUAL 8DFN
标准包装: 2,500
放大器类型: 断路器(零漂移)
电路数: 2
输出类型: 满摆幅
转换速率: 2 V/µs
增益带宽积: 3MHz
电流 - 输入偏压: 25pA
电压 - 输入偏移: 0.5µV
电流 - 电源: 850µA
电压 - 电源,单路/双路(±): 2.7 V ~ 7 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
供应商设备封装: 8-DFN-EP(3x3)
包装: 带卷 (TR)
1
LTC2051/LTC2052
20512fd
Dual/Quad Zero-Drift
Operational Amplifiers
■
Thermocouple Amplifiers
■ Electronic Scales
■ Medical Instrumentation
■
Strain Gauge Amplifiers
■ High Resolution Data Acquisition
■ DC Accurate RC Active Filters
■
Low Side Current Sense
■ Maximum Offset Voltage of 3μV
■
Maximum Offset Voltage Drift of 30nV/°C
■ Small Footprint, Low Profile MS8/GN16 Packages
■ Single Supply Operation: 2.7V to ±5.5V
■
Noise: 1.5μVP-P (0.01Hz to 10Hz Typ)
■ Voltage Gain: 140dB (Typ)
■ PSRR: 130dB (Typ)
■
CMRR: 130dB (Typ)
■ Supply Current: 0.75mA (Typ) per Amplifier
■ Extended Common Mode Input Range
■
Output Swings Rail-to-Rail
■ Operating Temperature Range – 40°C to 125°C
■ Available in 3mm × 3mm × 0.8mm DFN Package
The LTC
2051/LTC2052 are dual/quad zero-drift opera-
tional amplifiers available in the MS8 and SO-8/GN16 and
S14 packages. For space limited applications, the LTC2051
is available in a 3mm × 3mm × 0.8mm dual fine pitch
leadless package (DFN). They operate from a single 2.7V
supply and support ±5V applications. The current con-
sumption is 750μA per op amp.
The LTC2051/LTC2052, despite their miniature size, fea-
ture uncompromising DC performance. The typical input
offset voltage and offset drift are 0.5μV and 10nV/°C. The
almost zero DC offset and drift are supported with a power
supply rejection ratio (PSRR) and common mode rejec-
tion ratio (CMRR) of more than 130dB.
The input common mode voltage ranges from the negative
supply up to typically 1V from the positive supply. The
LTC2051/LTC2052 also have an enhanced output stage
capable of driving loads as low as 2kΩ to both supply rails.
The open-loop gain is typically 140dB. The LTC2051/
LTC2052 also feature a 1.5μVP-P DC to 10Hz noise and a
3MHz gain-bandwidth product.
Input Referred Noise 0.1Hz to 10Hz
High Performance Low Cost Instrumentation Amplifier
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
2
1
0
–1
–2
μ
V
02
4
6
8
10
TIME (SEC)
2052 TA02
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
–
+
R2
10k
0.1%
R1
100Ω
0.1%
7
4
5
6
3
2
20512 TA01
–5V
–
+
1/2
LTC2051HV
1/2
LTC2051HV
8
1
5V
–VIN
VIN
AV = 101
R2
10k
0.1%
R1
100Ω
0.1%
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