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| 型号： | AD8642ARZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP JFET R-R 3.5MHZ 8SOIC |
| 标准包装： | 1,000 |
| 放大器类型： | J-FET |
| 电路数： | 2 |
| 输出类型： | 满摆幅 |
| 转换速率： | 3 V/µs |
| 增益带宽积： | 3.5MHz |
| 电流 - 输入偏压： | 0.25pA |
| 电压 - 输入偏移： | 70µV |
| 电流 - 电源： | 200µA |
| 电流 - 输出 / 通道： | 12mA |
| 电压 - 电源，单路/双路(±)： | 5 V ~ 26 V，±2.5 V ~ 13 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
Low Power, Rail-to-Rail Output, Precision
JFET Amplifiers
Data Sheet
Rev. E
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
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
2004–2011 Analog Devices, Inc. All rights reserved.
FEATURES
Low supply current: 250 μA max
Very low input bias current: 1 pA max
Low offset voltage: 750 μV max
Single-supply operation: 5 V to 26 V
Dual-supply operation: ±2.5 V to ±13 V
Rail-to-rail output
Unity-gain stable
No phase reversal
SC70 package
APPLICATIONS
Line-/battery-powered instruments
Photodiode amplifiers
Precision current sensing
Medical instrumentation
Industrial controls
Precision filters
Portable audio
ATE
GENERAL DESCRIPTION
The AD8641/AD8642/AD8643 are low power, precision JFET
input amplifiers featuring extremely low input bias current and
rail-to-rail output. The ability to swing nearly rail-to-rail at the
input and rail-to-rail at the output enables designers to buffer
CMOS DACs, ASICs, and other wide output swing devices in
single-supply systems. The outputs remain stable with
capacitive loads of more than 500 pF.
The AD8641/AD8642/AD8643 are suitable for applications
utilizing multichannel boards that require low power to manage
heat. Other applications include photodiodes, ATE reference
level drivers, battery management, and industrial controls.
The AD8641/AD8642/AD8643 are fully specified over the
extended industrial temperature range of –40°C to +125°C. The
AD8641 is available in 5-lead SC70 and 8-lead SOIC lead-free
packages. The AD8642 is available in 8-lead MSOP and 8-lead
SOIC lead-free packages. The AD8643 is available in 14-lead
SOIC and 16-lead, 3 mm × 3 mm, LFCSP lead-free packages.
PIN CONFIGURATIONS
OUT
1
+IN
3
VEE
2
VCC
5
–IN
4
AD8641
TOP VIEW
(Not to Scale)
05072-101
Figure 1. 5-Lead SC70 (KS-5)
NC
1
–IN
2
+IN
3
VEE
4
NC
8
VCC
7
OUT
6
NC
5
AD8641
TOP VIEW
(Not to Scale)
05072-102
NC = NO CONNECT
Figure 2. 8-Lead SOIC (R-8)
OUT A
1
–IN A
2
+IN A
3
V–
4
V+
8
OUT B
7
–IN B
6
+IN B
5
AD8642
TOP VIEW
(Not to Scale)
05072-105
Figure 3. 8-Lead SOIC (R-8)
OUT A
1
–IN A
2
+IN A
3
V–
4
V+
8
OUT B
7
–IN B
6
+IN B
5
AD8642
TOP VIEW
(Not to Scale)
05072-064
Figure 4. 8-Lead MSOP (RM-8)
05072-103
OUT A
1
OUT D
14
–IN A
2
–IN D
13
+IN A
3
+IN D
12
V+
4
V–
11
+IN B
5
+IN C
10
–IN B
6
–IN C
9
OUT B
7
OUT C
8
TOP VIEW
(Not to Scale)
AD8643
Figure 5. 14-Lead SOIC (R-14)
0507
2-
104
12
11
10
9
+IN C
V–
+IN D
–IN D
1
–IN A
2
3
5
–I
N
B
OU
T
B
OU
T
C
–I
N
C
6
7
8
4
+IN B
V+
+IN A
16
15
14
13
AD8643
TOP VIEW
PIN 1
INDICATOR
NC
OU
T
A
OU
T
D
NC
NOTES
1. NC = NO CONNECT.
2. EXPOSED PAD SHOULD BE CONNECTED TO V+.
Figure 6. 16-Lead LFCSP (CP-16) (Not Drawn to Scale)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD8642ARZ-REELKL1 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD8643 | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Power, Rail-to-Rail Output Precision JFET Amplifier |
| AD8643ACPZ- | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD8643ACPZ-R2 | 功能描述:IC OPAMP JFET R-R 3.5MHZ 16LFCSP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:- 放大器类型:通用 电路数:4 输出类型:- 转换速率:0.6 V/µs 增益带宽积:1MHz -3db带宽:- 电流 - 输入偏压:45nA 电压 - 输入偏移:2000µV 电流 - 电源:1.4mA 电流 - 输出 / 通道:40mA 电压 - 电源，单路/双路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:14-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:14-TSSOP 包装:带卷 (TR) 其它名称:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| AD8643ACPZ-REEL | 功能描述:IC OPAMP JFET R-R 3.5MHZ 16LFCSP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:73 系列:Over-The-Top® 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.07 V/µs 增益带宽积:200kHz -3db带宽:- 电流 - 输入偏压:1nA 电压 - 输入偏移:285µV 电流 - 电源:50µA 电流 - 输出 / 通道:25mA 电压 - 电源，单路/双路(±):2 V ~ 44 V，±1 V ~ 22 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-WFDFN 裸露焊盘 供应商设备封装:16-DFN-EP（5x3） 包装:管件 |
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