3-146
November 1996
CA5260, CA5260A
3MHz, BiMOS Micr opr ocessor Operational
Amplifiers with MOSFET Input/CMOS Output
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
• CA5260A, CA5260 Have Full Military Temperature
Range Guaranteed Specifications for V+ = 5V
• CA5260A, CA5260 are Guaranteed to Operate Down to
4.5V for AOL
• Fully Guaranteed to Operate from -55oC to 125oC at
V+ = 5V, V- = GND
Applications
• Ground Referenced Single Supply Amplifiers
• Fast Sample-Hold Amplifiers
• Long Duration Timers/Monostables
• Ideal Interface with Digital CMOS
• High Input Impedance Wideband Amplifiers
• Voltage Followers (e.g., Follower for Single Supply
D/A Converter)
• Voltage Regulators (Permits Control of Output Voltage
Down to 0V)
• Wien Bridge Oscillators
• Voltage Controlled Oscillators
• Photo Diode Sensor Amplifiers
• 5V Logic Systems
• Microprocessor Interface
Description
The CA5260A and CA5260 are integrated-circuit operational
amplifiers that combine the advantage of both CMOS and
bipolar transistors on a monolithic chip. The CA5260 series
circuits are dual versions of the popular CA5160 series. They
are designed and guaranteed to operate in microprocessor or
logic systems that use +5V supplies.
Gate-protected P-Channel MOSFET (PMOS) transistors are
used in the input circuit to provide ver y-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 s winging the output voltage to within 10mV of either
supply-voltage terminal (at very high values of load imped-
ance), is employed as the output circuit.
The CA5260 Series circuits operate at supply voltages r anging
from 4.5V to 16V, or ±2.25V to ±8V when using split supplies.
The CA5260, CA5260A have guaranteed specifications for 5V
operation over the full military temperature range of -55oC to
125oC.
Pinout
CA5260 (PDIP, SOIC)
TOP VIEW
Ordering Information
PART NUMBER
(BRAND) TEMP.
RANGE (oC) PACKAGE PKG.
NO.
CA5260AE -55 to 125 8 Ld PDIP E8.3
CA5260AM
(5260A) -55 to 125 8 Ld SOIC M8.15
CA5260AM96
(5260A) -55 to 125 8 Ld SOIC Tape
and Reel M8.15
CA5260E -55 to 125 8 Ld PDIP E8.3
CA5260M
(5260) -55 to 125 8 Ld SOIC M8.15
CA5260M96
(5260) -55 to 125 8 Ld SOIC Tape
and Reel M8.15
NON INV. INPUT (A)
V-
1
2
3
8
7
6
5
V+
OUTPUT (B)
INV. INPUT (B)
NON INV. INPUT (B)
OUTPUT (A)
A
4
B
+-
+
-
INV. INPUT (A)
File Number 1929.3
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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