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| 型號： | OP177GSZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP PREC LN 8SOIC |
| 產(chǎn)品變化通告： | OP07, OP177 Redesign Change 19/Jul/2011 |
| 設(shè)計資源： | AD7266 SAR ADC in DC-Coupled Differential and Single-Ended Appls (CN0039) DC-Coupled, Single-Ended-to-Differential Conversion Using AD8138 and AD7352 (CN0040) DC-Coupled, Single-Ended-to-Differential Conversion Using AD8138 and AD7356 (CN0041) AD7265 in Differential and Single-Ended Configurations Using AD8022 (CN0048) Unipolar, Precision DC Digital-to-Analog Conversion using AD5450/1/2/3 8-14-Bit DACs (CN0052) DC-Coupled, Single-Ended-to-Differential Conversion Using AD8138 and AD7357 (CN0061) |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 0.3 V/µs |
| 增益帶寬積： | 600kHz |
| 電流 - 輸入偏壓： | 1.2nA |
| 電壓 - 輸入偏移： | 20µV |
| 電流 - 電源： | 1.6mA |
| 電壓 - 電源，單路/雙路(±)： | 6 V ~ 36 V，±3 V ~ 18 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SO |
| 包裝： | 帶卷 (TR) |
Ultraprecision
Operational Amplifier
Data Sheet
Rev. G
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
1995–2012 Analog Devices, Inc. All rights reserved.
FEATURES
Ultralow offset voltage
TA = 25°C, 25 μV maximum
Outstanding offset voltage drift 0.3 μV/°C maximum
Excellent open-loop gain and gain linearity
12 V/μV typical
CMRR: 130 dB minimum
PSRR: 115 dB minimum
Low supply current 2.0 mA maximum
Fits industry-standard precision op amp sockets
PIN CONFIGURATION
8
7
6
5
1
2
3
4
NC = NO CONNECT
–IN
+IN
V+
OUT
NC
V–
VOS TRIM
00289-
001
OP177
TOP VIEW
(Not to Scale)
Figure 1. 8-Lead PDIP (P-Suffix),
8-Lead SOIC (S-Suffix)
GENERAL DESCRIPTION
The OP177 features one of the highest precision performance of
any op amp currently available. Offset voltage of the OP177 is
only 25 μV maximum at room temperature. The ultralow VOS of
the OP177 combines with its exceptional offset voltage drift
(TCVOS) of 0.3 μV/°C maximum to eliminate the need for
external VOS adjustment and increases system accuracy over
temperature.
The OP177 open-loop gain of 12 V/μV is maintained over the
full ±10 V output range. CMRR of 130 dB minimum, PSRR of
120 dB minimum, and maximum supply current of 2 mA are
just a few examples of the excellent performance of this
operational amplifier. The combination of outstanding
specifications of the OP177 ensures accurate performance in
high closed-loop gain applications.
This low noise, bipolar input op amp is also a cost effective
alternative to chopper-stabilized amplifiers. The OP177
provides chopper-type performance without the usual problems
of high noise, low frequency chopper spikes, large physical size,
limited common-mode input voltage range, and bulky external
storage capacitors.
The OP177 is offered in the 40°C to +85°C extended industrial
temperature ranges. This product is available in 8-lead PDIP, as
well as the space saving 8-lead SOIC.
FUNCTIONAL BLOCK DIAGRAM
2B
C1
R7
(OPTIONAL NULL)
Q19
R2B*
R2A*
R1B
R1A
R9
R10
OUTPUT
R8
R6
C3
C2
Q13
Q17
R5
Q27
Q26
Q25
Q8
Q7
Q23
Q24
Q21
Q22
Q9
Q4
Q6
Q3
Q5
R3
R4
Q1
Q2
Q11
Q12
Q14
Q10
Q16
Q15
Q18
Q20
V+
V–
NONINVERTING
INPUT
INVERTING
INPUT
*R2A AND R2B ARE ELECTRONICALLY ADJUSTED ON CHIP AT FACTORY.
00289-
002
Figure 2. Simplified Schematic
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