参数资料
| 型号： | CA3420E |
| 厂商： | Intersil |
| 文件页数： | 1/5页 |
| 文件大小： | 0K |
| 描述： | IC OP AMP 0.5MHZ LOWINPUT 8-DIP |
| 标准包装： | 50 |
| 放大器类型： | 通用 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.5 V/µs |
| 增益带宽积： | 500kHz |
| 电流 - 输入偏压： | 0.05pA |
| 电压 - 输入偏移： | 5000µV |
| 电流 - 电源： | 450µA |
| 电流 - 输出 / 通道： | 2.6mA |
| 电压 - 电源，单路/双路(±)： | 2 V ~ 20 V，±1 V ~ 10 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
1
FN1320.9
CA3420
0.5MHz, Low Supply Voltage, Low Input
Current BiMOS Operational Amplifier
The CA3420 is an integrated circuit operational amplifier that
combines PMOS transistors and bipolar transistors on a
single monolithic chip. The CA3420 BiMOS operational
amplifier features gate protected PMOS transistors in the
input circuit to provide very high input impedance, very low
input currents (less than 1pA). The internal bootstrapping
network features a unique guardbanding technique for
reducing the doubling of leakage current for every 10°C
increase in temperature. The CA3420 operates at total
supply voltages from 2V to 20V either single or dual supply.
This operational amplifier is internally phase compensated to
achieve stable operation in the unity gain follower
configuration. Additionally, it has access terminals for a
supplementary external capacitor if additional frequency roll-
off is desired. Terminals are also provided for use in
applications requiring input offset voltage nulling. The use of
PMOS in the input stage results in common mode input
voltage capability down to 0.45V below the negative supply
terminal, an important attribute for single supply application.
The output stage uses a feedback OTA type amplifier that
can swing essentially from rail-to-rail. The output driving
current of 1.5mA (Min) is provided by using nonlinear current
mirrors.
Features
2V Supply at 300
A Supply Current
1pA Input Current (Typ) (Essentially Constant to 85°C)
Rail-to-Rail Output Swing (Drive
±2mA into 1k Load)
Pin Compatible with 741 Operational Amplifiers
Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
pH Probe Amplifiers
Picoammeters
Electrometer (High Z) Instruments
Portable Equipment
Inaccessible Field Equipment
Battery-Dependent Equipment (Medical and Military)
Functional Diagram
Pinout
CA3420 (PDIP)
TOP VIEW
Ordering Information
PART
NUMBER
PART
MARKING
TEMP.
RANGE (°C) PACKAGE
PKG.
DWG. #
CA3420E
-55 to 125
8 Ld PDIP
E8.3
CA3420EZ
(Note)
CA3420EZ
-55 to 125
8 Ld PDIP*
(Pb-free)
E8.3
*Pb-free PDIPs can be used for through hole wave solder
processing only. They are not intended for use in Reflow solder
processing applications.
NOTE: Intersil Pb-free plus anneal products employ special
Pb-free material sets; molding compounds/die attach materials and
100% matte tin plate termination finish, which are RoHS compliant
and compatible with both SnPb and Pb-free soldering operations.
Intersil Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
MOS
BIPOLAR
X1
MOS
BIPOLAR
OTA BUFFER
(X2)
HIGH GAIN
(50K)
BUFFER AMPS;
BOOTSTRAPPED
INPUT PROTECTION
NETWORK
-
+
1
2
3
4
8
7
6
5
+
V+
OFFSET NULL
INV.
INPUT
V-
NON-INV.
INPUT
STROBE
OUTPUT
OFFSET NULL
-
Data Sheet
October 4, 2005
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2002, 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CA3420EZ | 功能描述:运算放大器 - 运放 W/ANNEAL OPAMP 0 5MHZ LWINPUT MIL RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| CA3420S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| CA3420T | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| CA3420W WAF | 制造商:Harris Corporation 功能描述: |
| CA3424-000 | 制造商:TE Connectivity 功能描述:55 CABLE - Cable Rools/Shrink Tubing 制造商:TE Connectivity 功能描述:CA3424-000 |
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