icl8049 Intersil Corporation, icl8049 Datasheet

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icl8049

Manufacturer Part Number
icl8049
Description
Antilog Amplifier
Manufacturer
Intersil Corporation
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
icl8049CJE
Manufacturer:
WSI
Quantity:
15
July 1999
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
Copyright © Intersil Americas Inc. 2002. All Rights Reserved
Features
• Full Scale Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . 0.5%
• Temperature Compensated Operation . . . . 0
• Scale Factor, Adjustable . . . . . . . . . . . . . . . . 1V/Decade
• Dynamic Voltage Range . . . . . . . . . . . . . . . . . . . . .60dB
• Dual JFET Input Op Amps
Part Number Information
Pinout
ICL8049BCJE
ICL8049CCJE
A
A
A
1
1
1
A
OUTPUT
OFFSET
OFFSET
1
PART NUMBER
INPUT
NULL
NULL
GAIN
I
REF
NC
V-
1
2
3
4
5
6
7
8
ICL8049 (CERDIP)
TOP VIEW
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
®
16
15
14
13
12
11
10
9
V
GND
A
A
NULL
A
NULL
V+
V
NC
ERROR (25
IN
2
2
2
OUT
INPUT
OFFSET
OFFSET
10mV
25mV
o
C)
o
C to 70
Functional Diagram
GAIN
o
V
C
IN
TEMPERATURE RANGE (
16
1
2
Description
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.
V
A
REF
1
0 to 70
0 to 70
INPUT
1
-
+
A
1
A
3
1
Q
OUTPUT
ICL8049
o
1
C)
I
Q
REF
7
2
ICL8049
16 Ld CERDIP
16 Ld CERDIP
15
GND
Antilog Amplifier
-
+
A
2
PACKAGE
File Number
14
10
A
V
2
OUT
INPUT
f
OUT
4768

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icl8049 Summary of contents

Page 1

... CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | 1-888-INTERSIL or 321-724-7143 Intersil (and design registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002. All Rights Reserved Description The ICL8049 is a monolithic antilogarithmic amplifier that is fully temperature compensated and is nominally designed provide 1 decade of output voltage for each 1V change of input voltage ...

Page 2

... ICL4049BC MIN TYP = 10mV to 10V 0. r12 r14 r10 r13 - 150 - 150 ICL8049CC MAX MIN TYP MAX UNITS - 150 0. 2 RMS - ...

Page 3

... R 5 15k FIGURE 1. ICL8049 OFFSET AND SCALE FACTOR ADJUSTMENT ICL8049 Detailed Description The ICL8049 relies on the same logarithmic properties of the transistor as the ICL8048. The input voltage forces a specific 'V between Q and difference is converted into a difference of collector currents by the transistor pair. The equation governing the behavior ...

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