Overview
Sample & Buy
Solutions
Resources
Tools & Software
Quality & Reliability
eDesignSuite
Get Started
Partner products
Sales Briefcase
  • The TSM109 is a monolithic IC that includes two comparators and a shunt voltage reference. This device offers space and cost savings in many applications including power supply management or data acquisition systems.

    Key Features

    • Sink current capability: 1 to 100mA
    • 0.4% and 1% voltage precision
    • Wide power supply range: ±1V to ±18V
    • Differential input voltage range equal to the supply voltage
    • Low supply current (1.1ma) independent of supply voltage
    • Low input offset voltage: ±1mV typ
    • Low input bias current: 25nA typ
    • Low output saturation voltage: 250mV typ (Io = 4mA)
    • Fixed Vref to 2.5V
    • Input common-mode voltage range includes ground

Recommended for you

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS2993
      DUAL COMPARATOR AND VOLTAGE REFERENCE
      2.1
      63.82 KB
      PDF
      DS2993

      DUAL COMPARATOR AND VOLTAGE REFERENCE

    • Description Version Size Action
      TA0308
      Reducing the total no-load power consumption of battery chargers and adapter applications
      1.3
      100.02 KB
      PDF
      TA0308

      Reducing the total no-load power consumption of battery chargers and adapter applications

Publications and Collaterals

    • Description Version Size Action
      Power Management Guide 07.2020
      7.12 MB
      PDF

      Power Management Guide

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
TSM109AID
NRND
SO-8 Industrial Ecopack2
TSM109AIDT
NRND
SO-8 Industrial Ecopack2
TSM109ID
NRND
SO-8 Industrial Ecopack2
TSM109IDT
NRND
SO-8 Industrial Ecopack2

TSM109AID

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

TSM109AIDT

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

TSM109ID

Package:

SO-8

Material Declaration**:

Marketing Status

NRND

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

TSM109IDT

Package:

SO-8

Material Declaration**:

Marketing Status

NRND

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Package
Packing Type
Temperature (°C) Reference Voltage (V) (nom)
Marketing Status
ECCN (US)
Country of Origin
Budgetary Price (US$)*/Qty
min
max
TSM109AID Available at 3 distributors

Distributor availability ofTSM109AID

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3839 1 Order Now
RS COMPONENTS EUROPE 2150 1 Order Now
ARROW EUROPE 2000 0 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

3839

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

2150

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

2000

Min.Order

0

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-07

Buy now SO-8 Tube - - -
NRND
EAR99 CHINA 0.204 / 1k
TSM109AIDT Available at 3 distributors

Distributor availability ofTSM109AIDT

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 51 1 Order Now
ARROW AMERICA 3612 1 Order Now
MOUSER WORLDWIDE 69 1 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

51

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

3612

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

69

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-07

Buy now SO-8 Tape And Reel - - -
NRND
EAR99 CHINA 0.204 / 1k
TSM109ID Available at 4 distributors

Distributor availability ofTSM109ID

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 26 1 Order Now
Newark Element14 AMERICA 495 0 Order Now
MOUSER WORLDWIDE 431 1 Order Now
Farnell Element14 EUROPE 1448 1 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

26

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

495

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

431

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1448

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-07

Buy now SO-8 Tube - - -
NRND
EAR99 CHINA 0.1872 / 1k
TSM109IDT Available at 3 distributors

Distributor availability ofTSM109IDT

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2333 1 Order Now
ARROW EUROPE 10000 0 Order Now
MOUSER WORLDWIDE 6184 1 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

2333

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

10000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

6184

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-07

Buy now SO-8 Tape And Reel - - -
NRND
EAR99 CHINA 0.1872 / 1k

TSM109AID

Package

SO-8

Packing Type

Tube

Budgetary Price (US$)*/Qty

0.204 / 1k

Distributor availability ofTSM109AID

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3839 1 Order Now
RS COMPONENTS EUROPE 2150 1 Order Now
ARROW EUROPE 2000 0 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

3839

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

2150

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

2000

Min.Order

0

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-07

Operating Temperature (°C)

(min)

-

(max)

-

Reference Voltage (V) (nom)

-

Marketing Status

NRND

Budgetary Price (US$)* / Qty

0.204 / 1k

ECCN (US)

EAR99

Country of Origin

CHINA

TSM109AIDT

Package

SO-8

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.204 / 1k

Distributor availability ofTSM109AIDT

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 51 1 Order Now
ARROW AMERICA 3612 1 Order Now
MOUSER WORLDWIDE 69 1 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

51

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

3612

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

69

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-07

Operating Temperature (°C)

(min)

-

(max)

-

Reference Voltage (V) (nom)

-

Marketing Status

NRND

Budgetary Price (US$)* / Qty

0.204 / 1k

ECCN (US)

EAR99

Country of Origin

CHINA

TSM109ID

Package

SO-8

Packing Type

Tube

Budgetary Price (US$)*/Qty

0.1872 / 1k

Distributor availability ofTSM109ID

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 26 1 Order Now
Newark Element14 AMERICA 495 0 Order Now
MOUSER WORLDWIDE 431 1 Order Now
Farnell Element14 EUROPE 1448 1 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

26

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

495

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

431

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1448

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-07

Operating Temperature (°C)

(min)

-

(max)

-

Reference Voltage (V) (nom)

-

Marketing Status

NRND

Budgetary Price (US$)* / Qty

0.1872 / 1k

ECCN (US)

EAR99

Country of Origin

CHINA

TSM109IDT

Package

SO-8

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.1872 / 1k

Distributor availability ofTSM109IDT

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2333 1 Order Now
ARROW EUROPE 10000 0 Order Now
MOUSER WORLDWIDE 6184 1 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

2333

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

10000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

6184

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-07

Operating Temperature (°C)

(min)

-

(max)

-

Reference Voltage (V) (nom)

-

Marketing Status

NRND

Budgetary Price (US$)* / Qty

0.1872 / 1k

ECCN (US)

EAR99

Country of Origin

CHINA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors