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CA3130 Datasheet (PDF)
CA3130 Price & Availability
CA3130 Features- MOSFET Input Stage Provides:
- Very High ZI= 1.5 T? (1.5 x 1012?) (Typ)
- Very Low II5pA (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
CA3130 Features
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MOSFET Input Stage Provides:
-
Very High ZI = 1.5 TΩ (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 Plus Anneal Available (RoHS Compliant)
CA3130 Description
CA3130A and CA3130 are op amps that combine the advantage of both CMOS and bipolar transistors.
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 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 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 CA3130 Series circuits operate at supply voltages ranging from 5V to 16V, (±2.5V to plusmn8V). They can be phase compensated with a single external capacitor, 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 CA3130A offers superior input characteristics over those of the CA3130.
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