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LOG114 Datenblatt(PDF) 3 Page - Texas Instruments

Teilenummer LOG114
Bauteilbeschribung  LOG114 Single-Supply, High-Speed, Precision Logarithmic Amplifier
PDF  43 Pages
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Hersteller  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LOG114 Datenblatt(HTML) 3 Page - Texas Instruments

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4 Pin Configuration
NC
5
7
8
6
12
V
O4
10
–IN
4
9
11
16
14
13
15
Thermal
Pad
+IN
4
V
LOGOUT
1
V
REF GND
2
3
I
2
4
I
1
Not to scale
Figure 4-1. RGV Package, 16-Pin VQFN (Top View)
PIN
TYPE
DESCRIPTION
NAME
NO.
COM
7
Input
Reference Voltage for the
differential amplifier
+IN4
10
Input
Auxiliary op-amp voltage non-
inverting input
–IN4
11
Input
Auxiliary op-amp voltage inverting
input
+IN5
13
Input
Auxiliary op-amp voltage non-
inverting input
–IN5
14
Input
Auxiliary op-amp voltage inverting
input
NC
2
N/A
No Connection
I1
4
Input
Current input for logarithm
numerator
I2
3
Input
Current input for logarithm
denominator
V+
8
Power
Positive supply voltage
V-
6
Power
Negative supply voltage
VCM IN
5
Input
Input common-mode voltage
VLOGOUT
9
Output
Logarithmic difference amplifier
output
VO4
12
Output
Auxiliary op-amp voltage output
VO5
15
Output
Auxiliary op-amp voltage output
VREF
16
Power
2.5V reference voltage
VREFGND
1
Ground
Reference voltage ground
Thermal Pad
PAD
—
Thermal Pad. Connect to V-
www.ti.com
LOG114
SBOS301B – MAY 2004 – REVISED MARCH 2025
Copyright © 2025 Texas Instruments Incorporated
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3
Product Folder Links: LOG114



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