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| ICL8049 Datasheet, PDF (1/3 Pages) Intersil Corporation – Antilog Amplifier | |||
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July 1999
Features
®
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Description
ICL8049
Antilog Amplifier
⢠Full Scale Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . 0.5%
⢠Temperature Compensated Operation . . . . 0oC to 70oC
⢠Scale Factor, Adjustable . . . . . . . . . . . . . . . . 1V/Decade
⢠Dynamic Voltage Range . . . . . . . . . . . . . . . . . . . . .60dB
The ICL8049 is a monolithic antilogarithmic amplifier that is
fully temperature compensated and is nominally designed to
provide 1 decade of output voltage for each 1V change of
input voltage. For increased flexibility, the scale factor, refer-
ence current and offset voltage are externally adjustable.
⢠Dual JFET Input Op Amps
Part Number Information
PART NUMBER
ERROR (25oC)
ICL8049BCJE
10mV
ICL8049CCJE
25mV
TEMPERATURE RANGE (oC)
0 to 70
0 to 70
PACKAGE
16 Ld CERDIP
16 Ld CERDIP
Pinout
ICL8049 (CERDIP)
TOP VIEW
A1 INPUT 1
GAIN 2
IREF 3
A1 OFFSET
NULL
4
A1 OFFSET 5
NULL
V- 6
A1 OUTPUT 7
NC 8
16 VIN
15 GND
14 A2 INPUT
13
A2 OFFSET
NULL
12 A2 OFFSET
NULL
11 V+
10 VOUT
9 NC
Functional Diagram
ICL8049
VREF
3 IREF
VIN
16
GAIN
2
Q1 Q2
-
-
A1
A2
+
+
1
A1 INPUT
7
A1 OUTPUT
15
GND
A2 INPUT
14 fOUT
10
VOUT
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2002. All Rights Reserved
1
File Number 4768
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