CA3260

4MHz, BiMOS Operational Amplifier with MOSFET Input/CMOS Output

Product Status: Mass Production

OVERVIEW

CA3260A and CA3260 are integrated circuit operational amplifiers that combine the advantage of both CMOS and bipolar transistors on a monolithic chip. The CA3260 series circuits are dual versions of the popular CA3160 series.

Gate protected P-Channel MOSFET (PMOS) transistors are used in the input circuit to provide very high input impedance, very low input current, and exceptional speed performance. The use of PMOS field effect transistors in the input stage results in common mode input voltage capability down to 0.5V below the negative supply terminal, an important attribute in single supply applications.

A complementary symmetry MOS (CMOS) transistor pair, capable of swinging the output voltage to within 10mV of either supply voltage terminal (at very high values of load impedance), is employed as the output circuit.

The CA3260 Series circuits operate at supply voltages ranging from 4V to 16V, or ±2V to ±8V when using split supplies. The CA3260A offers superior input characteristics over those of the CA3260.

KEY FEATURES

  • MOSFET Input Stage provides
  • Very High ZI = 1.5TΩ (1.5 x 1012Ω) (Typ)
  • Very Low II: 5pA (Typ) at 15V Operation 2pA (Typ) at 5V Operation
  • Ideal for Single Supply Applications
  • Common Mode Input Voltage Range Includes Negative Supply Rail; Input Terminals Can be Swung 0.5V Below Negative Supply Rail
  • CMOS Output Stage Permits Signal Swing to Either (Or Both) Supply Rails
  • Pb-Free Available (RoHS Compliant)

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
CA3260
Basic Information
生产状态
Mass Production
器件/通道数量
2
带宽 (MHz)
4
压摆率 (V/μs)
10
VS (最小值)
4 V
VS (最大值)
16 V
IS (每放大器)
1.2 mA
噪声VN (nV/√Hz)
25
IBIAS
2 pA
IBIAS (最大值)
2 pA
最大失调电压
6 mV
IOUT
22 mA
VOUT (V)
15
轨到轨输入
No
轨到轨输出
No
PSRR (dB)
90
CMRR (dB)
90
热关断
No
增益最小值
1
AVOL (dB)
110
启用
No
资质级别
Standard
CAN 采样
YES
温度范围
-55 to +125

Below you will find information to support the development of your application.

You can find an explanation of orderable part numbers here.

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Hardware Design Support

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