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REF50 Datasheet(PDF) 4 Page - Texas Instruments

Part # REF50
Description  REF50xx Low-Noise, Very Low Drift, Wide VIN Precision Voltage Reference
PDF  52 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

REF50 Datasheet(HTML) 4 Page - Texas Instruments

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5 Pin Configuration and Functions
V
OUT
DNC
V
IN
TEMP
GND
DNC
1
2
3
6
5
4
TRIM/NR
NC
7
8
Not to scale
Figure 5-1. REF50xxAI, REF50xxI
8-Pin SOIC, VSSOP
Top View
V
OUT
DNC
V
IN
TEMP
GND
EN
1
2
3
6
5
4
NR
NC
7
8
Not to scale
Figure 5-2. REF50xxEI
8-Pin SOIC
Top View
Table 5-1. Pin Functions
PIN
DESCRIPTION
NAME
REF50xxI, REF50xxAI
REF50xxEI
DNC
1, 8
8
Do not connect
EN
-
1
Device enable control. Low level input disables the reference output
and device enters shutdown mode. Device can be enabled by driving
voltage > 1.6V or leaving the EN pin floating.
GND
4
4
Ground
NC
7
No internal connection
NC
7
Leave floating or connect to GND
NR
-
5
Noise reduction pin
TEMP
3
3
Temperature monitoring pin. Provides a temperature-dependent
output voltage
TRIM/NR
5
-
Output adjustment or noise reduction pin
VIN
2
2
Input supply voltage
VOUT
6
6
Reference voltage output
REF50, REF50E
SBOS410O – JUNE 2007 – REVISED OCTOBER 2025
www.ti.com
4
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Copyright © 2025 Texas Instruments Incorporated
Product Folder Links: REF50 REF50E



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