参数资料
| 型号： | AD795JRZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP JFET 1.6MHZ LN 8SOIC |
| 标准包装： | 98 |
| 放大器类型： | J-FET |
| 电路数： | 1 |
| 转换速率： | 1 V/µs |
| -3db带宽： | 1.6MHz |
| 电流 - 输入偏压： | 1pA |
| 电压 - 输入偏移： | 100µV |
| 电流 - 电源： | 1.3mA |
| 电流 - 输出 / 通道： | 10mA |
| 电压 - 电源，单路/双路(±)： | 8 V ~ 36 V，±4 V ~ 18 V |
| 工作温度： | 0°C ~ 70°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： | 管件 |
| 产品目录页面： | 772 (CN2011-ZH PDF) |
Low Power, Low Noise
Precision FET Op Amp
AD795
Rev. C
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
Fax: 781.461.3113
2002–2009 Analog Devices, Inc. All rights reserved.
FEATURES
Low power replacement for Burr-Brown
OPA111, OPA121 op amps
Low noise
3.3 μV p-p maximum, 0.1 Hz to 10 Hz
11 nV/√Hz maximum at 10 kHz
0.6 fA/√Hz at 1 kHz
High dc accuracy
500 μV maximum offset voltage
10 μV/°C maximum drift
2 pA maximum input bias current
Low power: 1.5 mA maximum supply current
APPLICATIONS
Low noise photodiode preamps
CT scanners
Precision l-to-V converters
CONNECTION DIAGRAM
NC 1
–IN 2
+IN 3
–VS 4
NC
8
+VS
7
OUTPUT
6
NC
5
NC = NO CONNECT
AD795
00
84
5
-00
1
Figure 1. 8-Lead SOIC (R) Package
GENERAL DESCRIPTION
The AD795 is a low noise, precision, FET input operational
amplifier. It offers both the low voltage noise and low offset drift
of a bipolar input op amp and the very low bias current of a FET-
input device. The 1014 Ω common-mode impedance insures
that input bias current is essentially independent of common-
mode voltage and supply voltage variations.
The AD795 has both excellent dc performance and a guaranteed
and tested maximum input voltage noise. It features 2 pA
maximum input bias current and 500 μV maximum offset
voltage, along with low supply current of 1.5 mA maximum.
1k
100
10
1
10
100
1k
10k
FREQUENCY (Hz)
V
O
L
T
A
G
E
NO
IS
E
S
P
E
CT
RAL
DE
N
S
IT
Y
(n
V
/
Hz
)
00
84
5-
00
2
Figure 2. Voltage Noise Spectral Density
Furthermore, the AD795 features a guaranteed low input noise
of 3.3 μV p-p (0.1 Hz to 10 Hz) and a 11 nV/√Hz maximum
noise level at 10 kHz. The AD795 has a fully specified and
tested input offset voltage drift of only 10 μV/°C maximum.
The AD795 is useful for many high input impedance, low noise
applications. The AD795 is rated over the commercial tempera-
ture range of 0°C to +70°C.
The AD795 is available in an 8-lead SOIC package.
50
40
30
20
10
0
–5
–4
–3
–2
–1
0
1
2
3
4
5
INPUT OFFSET VOLTAGE DRIFT (V/°C)
P
E
RCE
NT
A
G
E
O
F
UNI
T
S
00
84
5-
0
03
SAMPLE SIZE = 570
Figure 3. Typical Distribution of Average Input Offset Voltage Drift
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD795JRZ-REEL | 功能描述:IC OPAMP JFET 1.6MHZ LN 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:1 系列:- 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.028 V/µs 增益带宽积:105kHz -3db带宽:- 电流 - 输入偏压:3nA 电压 - 输入偏移:100µV 电流 - 电源:3.3µA 电流 - 输出 / 通道:12mA 电压 - 电源，单路/双路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作温度:-40°C ~ 85°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:剪切带 (CT) 其它名称:OP481GRUZ-REELCT |
| AD795JRZ-REEL7 | 功能描述:IC OPAMP JFET 1.6MHZ LN 8SOIC 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 |
| AD795KN | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Power, Low Noise Precision FET Op Amp |
| AD795SH-883B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage-Feedback Operational Amplifier |
| AD7960 | 制造商:AD 制造商全称:Analog Devices 功能描述:18-Bit, 5 MSPS PulSAR Differential ADC |
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