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参数资料
| 型号： | LTC2055CMS8#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 运算放大器 |
| 英文描述： | Single/Dual Micropower Zero-Drift Operational Amplifiers; Package: MSOP; No of Pins: 8; Temperature Range: 0°C to +70°C |
| 中文描述： | DUAL OP-AMP, 3 uV OFFSET-MAX, 0.5 MHz BAND WIDTH, PDSO8 |
| 封装： | LEAD FREE, PLASTIC, MSOP-8 |
| 文件页数： | 1/21页 |
| 文件大小： | 629K |
| 代理商： | LTC2055CMS8#TRPBF |
1
LTC2054/LTC2055
sn20545 20545fas
Single/Dual
Micropower 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
■ Battery-Powered Systems
■ Supply Current 150A (Max per Amplifier)
Guaranteed Over Temperature
■ Offset Voltage 3V (Max)
■ Offset Voltage Drift 30nV/°C (Max)
■
Common Mode Input Range from V– to V+ –0.5V
■ Output Swings Rail-to-Rail
■ Voltage Gain: 140dB (Typ)
■
PSRR and CMRR: 130dB (Typ)
■ Input Bias Current: 1pA (Typ, 25°C)
■ Noise: 1.6VP-P (0.01Hz to 10Hz Typ)
■
Supply Operation:
2.7V to 6V (LTC2054/LTC2055)
2.7V to ±5.5V (LTC2054HV/LTC2055HV)
■
Low Profile (1mm) SOT-23, MS8 and
3mm × 3mm × 0.8mm DFN Packages
The LTC
2054/LTC2055 are low power, low noise single/
dual zero-drift operational amplifiers available in the SOT-23
(ThinSOT
TM) and MS8 packages. For space limited appli-
cations, the LTC2055 is also available in a 3mm × 3mm ×
0.8mm dual fine pitch leadless package (DFN). They
operate from a single 2.7V minimum supply and support
±5V applications. The current consumption is typically
150A for the LTC2054 and 130A/amp for the LTC2055.
The LTC2054/LTC2055, despite their miniature size, fea-
ture uncompromising DC performance. The typical input
offset voltage and offset drift are 0.5V and 25nV/°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 0.5V from the positive supply. The
open-loop gain is typically 140dB. The LTC2054/LTC2055
also feature a 1.6VP-P DC to 10Hz noise and a 500kHz
gain-bandwidth product.
Supply Current (per Amplifier)
–48V Low Side Precision Current Sense
, LTC and LT are registered trademarks of Linear Technology Corporation.
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
APPLICATIO S
U
ThinSOT is a trademark of Linear Technology Corporation
–
+
0.01F
0.1F
0.003
1% 3W
39k
BZX84C5V1
VZ = 5.1
–48V SUPPLY
ISENSE, VSENSE
–
+
100
1%
LTC2054
20545 TA01
–
+
10k
1%
5V
VOUT = 100VSENSE
LTC2054
–48V LOAD
Q1
ZETEX
ZVN3320F
100
TEMPERATURE (°C)
SUPPLY
CURRENT
(
A)
20545 TA01b
250
225
200
175
150
125
100
75
50
25
0
–40
125
25
45
70
85
5
–15
LTC2054
LTC2055
相关PDF资料 |
PDF描述 |
|---|---|
| LTC2202CUK#PBF | 16-Bit, 10Msps ADC; Package: QFN; No of Pins: 48; Temperature Range: 0°C to +70°C |
| LTC2202CUK#TRPBF | 16-Bit, 10Msps ADC; Package: QFN; No of Pins: 48; Temperature Range: 0°C to +70°C |
| LTC2202IUK#PBF | 16-Bit, 10Msps ADC; Package: QFN; No of Pins: 48; Temperature Range: -40°C to +85°C |
| LTC2202IUK#TRPBF | 16-Bit, 10Msps ADC; Package: QFN; No of Pins: 48; Temperature Range: -40°C to +85°C |
| LTC2203CUK#PBF | 16-Bit, 25Msps ADC; Package: QFN; No of Pins: 48; Temperature Range: 0°C to +70°C |
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