ca5160 Intersil Corporation, ca5160 Datasheet

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ca5160

Manufacturer Part Number
ca5160
Description
4mhz, Bimos Microprocessor Operational Amplifiers With Mosfet Input/cmos Output
Manufacturer
Intersil Corporation
Datasheet

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September 1998
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999
NOT RECOMMENDED FOR NEW DESIGNS
Features
• MOSFET Input Stage
• Common-Mode Input Voltage Range Includes
• CMOS Output Stage Permits Signal Swing to Either
• CA5160 Has Full Military Temperature Range
• CA5160 is Guaranteed to Operate Down to 4.5V for A
• CA5160 is Guaranteed Up to 7.5V
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
• Wien-Bridge Oscillators
• Voltage Controlled Oscillators
• Photo Diode Sensor Amplifiers
• 5V Logic Systems
• Microprocessor Interface
Pinout
NOTE: CA5160 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.
- Very High Z
- Very Low I
Negative Supply Rail; Input Terminals Can be
Swung 0.5V Below Negative Supply Rail
(or Both) Supply Rails
Guaranteed Specifications for V+ = 5V
D/A Converter)
I
; 5pA (Typ) at 15V Operation
I
; 1.5T (1.5 x 10
2pA (Typ) at 5V Operation
12
NON INV. INPUT
OFFSET NULL
) (Typ)
INV. INPUT
V-
1
2
3
4
CA5160 (PDIP, SOIC)
Amplifiers with MOSFET Input/CMOS Output
4MHz, BiMOS Microprocessor Operational
TOP VIEW
OL
+
-
3-1
Description
CA5160 is an integrated circuit operational amplifier that com-
bines the advantage of both CMOS and bipolar transistors on
a monolithic chip. The CA5160 is a frequency compensated
version of the popular CA5130 series. It is designed and guar-
anteed 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 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 CA5160 operates at supply voltages ranging from +5V to
+16V, or 2.5V to 8V when using split supplies, and have ter-
minals for adjustment of offset voltage for applications requir-
ing offset-null capability. Terminal provisions are also made to
permit strobing of the output stage. It has guaranteed specifi-
cations for 5V operation over the full military temperature
range of -55
Ordering Information
CA5160E
CA5160M96
(5160)
PART NUMBER
(BRAND)
8
7
6
5
STROBE
V+
OUTPUT
OFFSET NULL
o
C to 125
o
C.
RANGE (
-55 to 125
-55 to 125
TEMP.
o
C)
CA5160
8 Ld PDIP
8 Ld SOIC
Tape and Reel
PACKAGE
File Number
E8.3
M8.15
PKG.
NO.
1924.4

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ca5160 Summary of contents

Page 1

... Logic Systems • Microprocessor Interface Pinout NOTE: CA5160 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. 1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999 4MHz, BiMOS Microprocessor Operational Amplifi ...

Page 2

... C to 150 CA5160 MIN TYP MAX UNITS - 0 2 117 - dB 85 102 - dB 1.0 3.4 4.0 mA 1.0 2.2 4 0.01 V 4.4 4 0.01 V 2 100 - 320 400 CA5160 MIN TYP MAX UNITS - 0 C/ ...

Page 3

... 110 - dB 75 100 - dB 0.6 - 5.0 mA 0.6 - 5 0.01 V 4.0 4 0.01 V 2 170 220 A - 410 500 A CA5160 MIN TYP MAX UNITS - 0 320 - kV/V 94 110 - -0 320 V 0.002 0.01 V 14. 0.1 V ...

Page 4

... STROBE 3-4 CA5160 MIN TYP MAX TYPICAL VALUES CA5160 UNITS 22 1 MHz 10 0. NOTE: 5. Total supply voltage (for indicated voltage gains) = 15V with input terminals biased so that Terminal 6 potential is +7.5V above Terminal 4. 6. Total supply voltage (for indicated voltage gains) = 15V with output terminal driven to either supply rail ...

Page 5

... The small diodes D oxide protection against high voltage transients, including static electricity during handling for Q Second Stage Most of the voltage gain in the CA5160 is provided by the second amplifier stage, consisting of bipolar transistor Q and its cascode-connected load resistance provided by 3-5 7 ...

Page 6

... Because the gate- protection network functions connected to Terminal with respect potential, and the metal can case of the CA5160 is also internally tied to Terminal 4, input terminal 3 is essentially “guarded” from spurious leakage currents. and Q ...

Page 7

... DC gate-source bias potential is applied to the device for extended time periods. The magni- tude of the change is increased at high temperatures. Users of the CA5160 should be alert to the possible impacts of this effect if the application of the device involves extended opera- tion at high temperatures with a significant differential DC bias voltage applied across Terminals 2 and 3 ...

Page 8

... CA5160 Wideband Noise From the standpoint of low-noise performance consider- ations, the use of the CA5160 is most advantageous in appli- cations where in the source resistance of the input signal is on the order of 1M referred noise voltage is typically only 40 V when the test- circuit amplifi ...

Page 9

... The circuit shown in Figure 9 uses a CA5160 as an error ampli- fi continuously adjustable 1A power supply. One of the key features of this circuit is its ability to regulate down to the vicinity of zero with only one DC power supply input ...

Page 10

... VOLTAGE 25V - 0.001 F ADJUST 3.83K 1% FIGURE 8. 9 BIT DAC USING CMOS DIGITAL SWITCHES AND CA5160 CA5160 Precision Voltage-Controlled Oscillator The circuit diagram of a precision voltage-controlled oscillator is shown in Figure 10. The oscillator operates with a tracking error on the order of 0.02% and a temperature coefficient of o 0.01%/ C ...

Page 11

... F + 100 F 25V - CA3086 - 62k - Hum and Noise Output <250 V RMS FIGURE 9. CA5160 VOLTAGE REGULATOR CIRCUIT (0.1 TO 35V AT 1A +15V 100K 100K MULTI VIBRATOR 100K 500pF CA5130 - ...

Page 12

... INPUT 1V 1V 22M 300mV 300mV 100mV 100mV 30mV 30mV 10mV 10mV FIGURE 11. CA5160A HIGH INPUT RESISTANCE DC VOLTMETER 8.2k 20pF +7.5V VOLTAGE-CONTROLLED CURRENT SOURCE CA3080A -7.5V 4.7k SYMMETRY EXTERNAL SWEEPING INPUT -7.5V +7.5V 100k MAX FREQ MIN ...

Page 13

... NOTE: A square wave signal modulates the external sweeping input to produce 1Hz and 1MHz, showing the 1,000,000/1 frequency range of the function generator. FIGURE 12B. TWO-TONE OUTPUT SIGNAL FROM THE FUNCTION GENERATOR FIGURE 12. CA5160 1,000,000/1 SINGLE CONTROL FUNCTION GENERATOR - 1MHz TO 1Hz +15V +15V 100 100 ...

Page 14

... A function generator having a wide tuning range is shown in Figure 12. The adjustment range, in excess of 1,000,000/1, is accomplished by a single potentiometer. Three operational amplifiers are utilized: a CA5160 as a voltage follower, a CA3080 as a high-speed comparator, and a second CA3080A as a programmable current source. Three variable capacitors C and C shape the triangular signal between 500kHz and 1MHz ...

Page 15

... Terminals 3 and 4 would result in 0V across this leakage resistance, thus substantially reduc- ing the leakage current. If the CA5160 is operated with the same voltage on input Terminals 3 and Terminal 4, a further reduction in the input current to the less than 1pA level can be achieved as shown in Figure 1 ...

Page 16

... CA3600 lC array are shown parallel-connected with the 680k INPUT 20dB LARGE SIGNAL BW (-3dB) = 190kHz NOTE: See File Number 619. FIGURE 17. CMOS TRANSISTOR ARRAY (CA3600E) CONNECTED AS POWER BOOSTER IN THE OUTPUT STAGE OF THE CA5160. Typical Performance Curves 120 100 ...

Page 17

... 125 LOAD RESISTANCE (k ) FIGURE 24. OUTPUT VOLTAGE SWING vs LOAD RESISTANCE CA5160 (Continued) 15 LOAD RESISTANCE = 12 7 17.5 20 22.5 6 FIGURE 21. QUIESCENT SUPPLY CURRENT vs SUPPLY VOLTAGE 600 -55 ...

Page 18

... No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see web site http://www.intersil.com Sales Office Headquarters NORTH AMERICA Intersil Corporation P. O. Box 883, Mail Stop 53-204 Melbourne, FL 32902 TEL: (321) 724-7000 FAX: (321) 724-7240 CA5160 (Continued 0.1 ...

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