參數(shù)資料
型號(hào)： LTC1047CSW#PBF
廠商： Linear Technology
文件頁數(shù)： 1/12頁
文件大?。?/td> 0K
描述： IC OPAMP CHOP-STBL W/CAP 16SOIC
標(biāo)準(zhǔn)包裝： 47
放大器類型： 斷路器（零漂移）
電路數(shù)： 2
轉(zhuǎn)換速率： 0.2 V/µs
增益帶寬積： 200kHz
電流 - 輸入偏壓： 5pA
電壓 - 輸入偏移： 3µV
電流 - 電源： 60µA
電壓 - 電源，單路/雙路(±)： 4.75 V ~ 16 V，±2.38 V ~ 8 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： 1321 (CN2011-ZH PDF)
1
LTC1047
1047fa
■
No External Components Required
■
Maximum Offset Voltage: 10
V
■
Maximum Offset Voltage Drift: 50nV/
°C
■
Supply Current: 80A
■
Minimum CMRR: 110dB
■
Minimum PSRR: 105dB
■
Single Supply Operation: 4.75V to 16V
■
Common Mode Range Includes GND
■
Output Swings to GND
■
Typical Overload Recovery Time: 70ms
■
Pin Compatible with Industry Standard Dual
Op Amps
The LTC
1047 is a micropower, high performance
dual zero-drift operational amplifier. The sample-and-hold
capacitors usually required by other chopper amplifiers
are integrated on-chip, minimizing the need for external
components.
The LTC1047 has a typical offset voltage of 3V, drift
of 10nV/°C, input noise voltage typically 3.5VP-P,
and typical voltage gain of 150dB. The common mode
rejection is 110dB minimum, with minimum power supply
rejection of 105dB. The LTC1047 also offers a 0.2V/s
slew rate and a gain bandwidth product of 200kHz. Over-
load recovery time from saturation is 70ms, four times
faster than chopper amplifiers with external capacitors.
The LTC1047 is available in a standard plastic 8-pin PDIP
as well as a 16-pin SW package. The LTC1047 is a plug-in
replacement for most dual op amps with improved DC
performance and substantial power savings.
Micropower Single Supply Instrumentation Amplifier
Dual Micropower
Zero-Drift Operational Amplifier
with Internal Capacitors
CMRR vs Frequency
■
Thermocouple Amplifiers
■
Electronic Scales
■
Battery Powered Instrumentation
■
Strain Gauge Amplifiers
■
Remote Located Sensors
LT1047 TA02
FREQUENCY OF COMMON MODE SIGNAL
100
20
CMRR
(dB)
100
120
140
1k
10k
100k
80
60
40
CS = CH = 1F
18
4
6
16
2
3
17
5
15
100
1/2 LTC1043
100k
VOUT
5V
–IN
+IN
7
4
6
CH
1F
CS
1F
0.1F
5
–
+
1/2
LTC1047
GAIN = 1000
CMRR > = 120dB AT 60Hz
VOS = < 10V
IS = 62A (INCLUDING THE LTC1043)
LTC1047 TA01
FEATURES
APPLICATIO S
U
DESCRIPTIO
U
TYPICAL APPLICATIO
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
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