Details, datasheet, quote on part number: CA3160A
CategoryAnalog & Mixed-Signal Processing => Amplifiers => Operational Amplifiers
Description4MHz, Bimos Operational Amplifier With MOSFET Input/cmos Output
CompanyIntersil Corporation
DatasheetDownload CA3160A datasheet
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Features, Applications

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

The CA3160A and CA3160 are integrated circuit operational amplifiers that combine the advantage of both CMOS and bipolar transistors on a monolithic chip. The CA3160 series are frequency compensated versions of the popular CA3130 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 CA3160 Series circuits operate at supply voltages ranging from to 8V when using split supplies, and have terminals for adjustment of offset voltage for applications requiring offset null capability. Terminal provisions are also made to permit strobing of the output stage. The CA3160A offers superior input characteristics over those of the CA3160.


MOSFET Input Stage Provides: - Very High x 1012) (Typ) - Very Low II. 5pA (Typ) at 15V Operation. 2pA (Typ) at 5V Operation 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


Ground Referenced Single Supply Amplifiers Fast Sample Hold Amplifiers Long Duration Timers/Monostables High Input Impedance Wideband Amplifiers Voltage Followers (e.g., Follower for Single Supply D/A Converter) Wien-Bridge Oscillators Voltage Controlled Oscillators Photo Diode Sensor Amplifiers


NOTE: CA3160 Series devices have an on-chip frequency compensation network. Supplementary phase compensation or frequency roll-off (if desired) can be connected externally between Terminals 1 and 8.

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2002. All Rights Reserved

Absolute Maximum Ratings Supply Voltage (Between V+ and V- Terminals).+16V Differential Mode Input Voltage.8V Input Voltage. (V+ +8V) to (V- -0.5V) Input Current. 1mA Output Short Circuit Duration (Note 2). Indefinite Operating Conditions Temperature Range. to 125oC

CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

Thermal Resistance (Typical, Note 1) JA (oC/W) JC (oC/W) PDIP Package. 115 N/A Maximum Junction Temperature (Plastic Package). 150oC Maximum Storage Temperature Range. to 150oC Maximum Lead Temperature (Soldering 10s). 300oC

NOTES: JA is measured with the component mounted on an evaluation PC board in free air. 2. Short Circuit may be applied to ground or to either supply.

PARAMETER Input Offset Voltage Input Offset Current Input Current Large-Signal Voltage Gain

Common-Mode Rejection Ratio Common-Mode Input-Voltage Range Power-Supply Rejection Ratio Maximum Output Voltage


For Design Guidance, VSUPPLY = 25oC, Unless Otherwise Specified CA3160 SYMBOL TEST CONDITIONS 10k Across Terminals 4 and 5 or Terminals 4 and = 10M TYP CA3160A TYP UNITS pF V nV/Hz

Input Offset Voltage Adjustment Range Input Resistance Input Capacitance Equivalent Input Noise Voltage

PARAMETER Unity Gain Crossover Frequency Slew Rate Transient Response Rise and Fall Time Overshoot Settling Time For Design Guidance, VSUPPLY = 25oC, Unless Otherwise Specified (Continued) CA3160 SYMBOL 2k , (Voltage Follower) To <0.1%, VIN 2k , (Voltage Follower) TEST CONDITIONS TYP CA3160A TYP UNITS MHz V/s % s

PARAMETER Input Offset Voltage Input Offset Current Input Current Common-Mode Rejection Ratio Large Signal Voltage Gain

For Design Guidance, = 25oC, Unless Otherwise Specified CA3160 SYMBOL VIO IIO Il CMRR AOL = 5k TEST CONDITIONS TYP CA3160A TYP to UNITS pA dB kV/V V A V/V

Common-Mode Input Voltage Range Supply Current

NOTES: 4. Total supply voltage (for indicated voltage gains) = 15V with input terminals biased so that Terminal 6 potential is +7.5V above Terminal 4. 5. Total supply voltage (for indicated voltage gains) = 15V with output terminal driven to either supply rail.


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