參數資料
| 型號： | ADA4051-2ARMZ |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/20頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP RRIO ZERO DRIFT 8MSOP |
| 特色產品： | ADA4051 Low-Power, Zero-Drift Op Amp |
| 標準包裝： | 50 |
| 放大器類型： | 斷路器（零漂移） |
| 電路數： | 2 |
| 輸出類型： | 滿擺幅 |
| 轉換速率： | 0.06 V/µs |
| 增益帶寬積： | 125kHz |
| 電流 - 輸入偏壓： | 20pA |
| 電壓 - 輸入偏移： | 2µV |
| 電流 - 電源： | 13µA |
| 電流 - 輸出 / 通道： | 15mA |
| 電壓 - 電源，單路/雙路(±)： | 1.8 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 8-MSOP |
| 包裝： | 管件 |
1.8 V, Micropower, Zero-Drift,
Rail-to-Rail Input/Output Op Amp
ADA4051-1/ADA4051-2
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
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
www.analog.com
Fax: 781.461.3113
2009–2010 Analog Devices, Inc. All rights reserved.
FEATURES
Very low supply current: 13 μA typical
Low offset voltage: 15 μV maximum
Offset voltage drift: 20 nV/°C
Single-supply operation: 1.8 V to 5.5 V
High PSRR: 110 dB minimum
High CMRR: 110 dB minimum
Rail-to-rail input/output
Unity-gain stable
Extended industrial temperature range
APPLICATIONS
Pressure and position sensors
Temperature measurements
Electronic scales
Medical instrumentation
Battery-powered equipment
Handheld test equipment
PIN CONFIGURATION
OUT
1
+IN
3
V–
2
V+
5
–IN
4
ADA4051-1
TOP VIEW
(Not to Scale)
08
05
6-
06
4
Figure 1. 5-Lead SOT-23 (RJ-5)
+IN
1
–IN
3
V–
2
V+
5
OUT
4
ADA4051-1
TOP VIEW
(Not to Scale)
08
05
6-
06
6
Figure 2. 5-Lead SC-70 (KS-5)
OUT A 1
–IN A 2
+IN A 3
V–
4
V+
8
OUT B
7
–IN B
6
+IN B
5
ADA4051-2
TOP VIEW
(Not to Scale)
08
05
6-
00
1
Figure 3. 8-Lead MSOP (RM-8)
NOTES
1. IT IS RECOMMENDED THAT THE
EXPOSED PAD BE CONNECTED TO V–.
PIN 1
INDICATOR
1
OUT A
2
–IN A
3
+IN A
4
V–
7OUT B
8V+
6 –IN B
5 +IN B
TOP VIEW
(Not to Scale)
ADA4051-2
08
05
6-
0
65
Figure 4. 8-Lead LFCSP (CP-8-2)
GENERAL DESCRIPTION
The ADA4051-1/ADA4051-2 are CMOS, micropower, zero-
drift operational amplifiers utilizing an innovative chopping
technique. These amplifiers feature rail-to-rail input/output
swing and extremely low offset voltage while operating from a
1.8 V to 5.5 V power supply. In addition, these amplifiers offer
high power supply rejection ratio (PSRR) and common-mode
rejection ratio (CMRR) while operating with a typical supply
current of 13 μA per amplifier. This combination of features
makes the ADA4051-1/ADA4051-2 amplifiers ideal choices for
battery-powered applications where high precision and low
power consumption are important.
The ADA4051-1/ADA4051-2 are specified for the extended
industrial temperature range of 40°C to +125°C. The ADA4051-1
amplifier is available in 5-lead SOT-23 and 5-lead SC-70 packages.
The ADA4051-2 amplifier is available in 8-lead MSOP and 8-lead
LFCSP packages.
The ADA4051-1/ADA4051-2 are members of a growing series
of zero-drift op amps offered by Analog Devices, Inc. Refer to
Table 1 for a list of these devices.
Table 1. Op Amps
Supply
Low Power, 5 V
5 V
16 V
Single
Dual
Quad
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