Product overview
Description
The TS951, TS952 and TS954 family of devices are rail-to-rail BiCMOS operational amplifiers optimized and fully specified for 3 V and 5 V operation.
The TS951 device is housed in the space-saving 5-pin SOT23 package that makes it well suited for battery powered systems. This micropackage simplifies the PC board design because of its ability to be placed in tight spaces (outside dimensions are: 2.8 mm x 2.9 mm).
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All features
- Rail-to-rail input common mode voltage range
- Rail-to-rail output voltage swing
- Operates from 2.7 V to 12 V
- High-speed (3 MHz, 1 V/µs)
- Low consumption (0.9 mA at 3 V)
- Supply voltage rejection ratio: 80 dB
- Latch-up immunity
- Available in SOT23-5 micropackage, SO8, TSSOP8, SO14, and TSSOP14 packages
Featured Products
Explore our broad portfolio of automotive-grade operational amplifiers, meeting the demanding expectations of automotive applications.
Discover our broad range of op-amps for industrial, automotive and consumer applications.
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Demonstration board for single op-amps in SC70 or SOT-23 packages
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Events and Seminars
All tools & software
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Part number Status Description Type Supplier Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu ActiveOperational amplifier and comparator application for smartphones and tablets
Finder Apps ST ST-OPAMPS-APPDescription:
Operational amplifier and comparator application for smartphones and tablets
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Part number Status Description Type Supplier Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu ActiveDemonstration board for single op-amps in SC70 or SOT-23 packages
Amplifier and comparator eval boards --
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All resources
Resource title | Version | Latest update |
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Product Specifications (1)
Resource title | Version | Latest update | ||
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13.0 | 29 Oct 2019 | 29 Oct 2019 |
Application Notes (1)
Resource title | Version | Latest update | ||
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1.0 | 04 Apr 2025 | 04 Apr 2025 |
Technical Notes & Articles (1)
Resource title | Version | Latest update | ||
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1.0 | 19 Jul 2017 | 19 Jul 2017 |
User Manuals (1)
Resource title | Version | Latest update | ||
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1.0 | 27 Jun 2017 | 27 Jun 2017 |
Design Notes & Tips (1)
Resource title | Version | Latest update | ||
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1.0 | 13 Sep 2018 | 13 Sep 2018 |
Presentations (4)
Resource title | Version | Latest update | ||
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2.2 | 02 Aug 2023 | 02 Aug 2023 | ||
1.0 | 19 Mar 2025 | 19 Mar 2025 | ||
2.0 | 27 Apr 2023 | 27 Apr 2023 | ||
2.0 | 16 May 2023 | 16 May 2023 |
Flyers (1)
Resource title | Version | Latest update | ||
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1.0 | 07 Dec 2023 | 07 Dec 2023 |
Brochures (4)
Resource title | Version | Latest update | ||
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3.0 | 27 Jul 2022 | 27 Jul 2022 | ||
2.0 | 29 Mar 2024 | 29 Mar 2024 | ||
4.0 | 18 Feb 2025 | 18 Feb 2025 | ||
12.24 | 17 Dec 2024 | 17 Dec 2024 |
EDA Symbols, Footprints and 3D Models
STMicroelectronics - TS951
Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.
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Symbols

Footprints

3D models
All resources
Resource title | Version | Latest update |
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SPICE models (1)
Resource title | Version | Latest update | ||
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ZIP | 1.0 | 01 Aug 2015 | 01 Aug 2015 |
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Quality and Reliability
Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Longevity Commitment | Longevity Starting Date | Material Declaration** |
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TS951IDT | Active | SO-8 | Industrial | Ecopack3 | - | - | |
TS951ILT | Active | SOT23-5L | Industrial | Ecopack3 | - | - | |
TS951IYLT | Active | SOT23-5L | Automotive | Ecopack3 | - | - | |
TS951RIYLT | Active | SOT23-5L | Automotive | Ecopack3 | - | - |
Marketing Status
Package
SO-8
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SOT23-5L
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SOT23-5L
Grade
Automotive
RoHS Compliance Grade
Ecopack3
(**) 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 | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | Grade | ||||||||||||||||||||||||||||||||||||
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min | max | ||||||||||||||||||||||||||||||||||||||||||||||||
TS951IDT | Active | 0.4319 / 1k | Available at 1 distributors Distributor availability of TS951IDT
Distributor reported inventory date: 4/12/2025 | | | | Buy from Distributor | | SO-8 | Tape and Reel | MOROCCO | EAR99 | NEC | -40 | 125 | Industrial | |||||||||||||||||||||||||||||||||
TS951RIYLT | Active | 0.4735 / 1k | Available at distributors Distributor availability of TS951RIYLT
Distributor reported inventory date: | | | | Buy from Distributor | | SOT23-5L | Tape and Reel | MALAYSIA | EAR99 | NEC | -40 | 125 | Automotive | |||||||||||||||||||||||||||||||||
TS951IYLT | Active | 0.4735 / 1k | Available at 3 distributors Distributor availability of TS951IYLT
Distributor reported inventory date: 4/13/2025 | | | | Buy from Distributor | | SOT23-5L | Tape and Reel | MALAYSIA | EAR99 | NEC | -40 | 125 | Automotive | |||||||||||||||||||||||||||||||||
TS951ILT | Active | 0.3054 / 1k | Available at 5 distributors Distributor availability of TS951ILT
Distributor reported inventory date: 4/13/2025 | | | | Buy from Distributor | | SOT23-5L | Tape and Reel | CHINA | EAR99 | NEC | -40 | 125 | Industrial |
TS951IDT Active
Part Number:
TS951IDT
Operating Temperature (°C)
Min:
-40
Max:
125
Grade:
Industrial
Farnell Element14
Stock
1110Min.Order
1Distributor reported inventory date: 4/12/2025
Stock
Min.Order
TS951RIYLT Active
Part Number:
TS951RIYLT
Operating Temperature (°C)
Min:
-40
Max:
125
Grade:
Automotive
Distributor reported inventory date:
Stock
Min.Order
TS951IYLT Active
Part Number:
TS951IYLT
Operating Temperature (°C)
Min:
-40
Max:
125
Grade:
Automotive
Farnell Element14
Stock
4570Min.Order
1MOUSER
Stock
5601Min.Order
1DIGIKEY
Stock
4147Min.Order
1Distributor reported inventory date: 4/13/2025
Stock
Min.Order
TS951ILT Active
Part Number:
TS951ILT
Operating Temperature (°C)
Min:
-40
Max:
125
Grade:
Industrial
Farnell Element14
Stock
63237Min.Order
1ANGLIA Live
Stock
160260Min.Order
10MOUSER
Stock
10078Min.Order
1AVNET
Stock
6000Min.Order
0DIGIKEY
Stock
28718Min.Order
1Distributor reported inventory date: 4/13/2025
Stock
Min.Order
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors