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Texas Instruments TSM104WID
- Part No.:
- TSM104WID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TSM104WID.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,553
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Product details
Overview
TSM104WID from STMicroelectronics is a quad operational amplifier with integrated adjustable shunt voltage reference, designed for power supply monitoring and feedback control in compact DC-DC converters and industrial power management systems. It delivers 0.9MHz gain-bandwidth, 375µA/op supply current at 5V, ±1.5V to ±15V dual-supply operation, and 2.45–2.52V reference voltage with 0.4% precision (TSM104WA grade).
For engineers reviewing the TSM104WID datasheet, TSM104WID pinout, TSM104WID application, or TSM104WID equivalent, key selection criteria include its combined op-amp + reference functionality, low 20nA input bias current, 0.2Ω typical dynamic impedance in reference mode, and SO16 package compatibility with space-constrained PCB layouts.
Technical Context
The device integrates four independent high-precision op-amps and a programmable shunt reference sharing a common cathode terminal. All op-amps feature rail-to-rail output swing capability under specified load conditions and operate over full industrial temperature range (−40°C to +105°C).
Reference section supports adjustable output from VREF to 36V via external resistor divider, with 1–100mA sink current capability, 7mV/°C offset drift, and 0.2Ω typical dynamic impedance-enabling stable regulation even under varying load transients.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | ±1.5V to ±15V - supports dual-rail operation in analog signal conditioning and isolated feedback loops |
| Gain-Bandwidth Product | 0.9MHz - enables stable closed-loop response up to ~100kHz in error amplifiers for switching regulators |
| Input Offset Voltage (TSM104WA) | 0.5mV typ - reduces DC error in precision current sensing and voltage monitoring circuits |
| Reference Voltage Accuracy | ±0.4% (TSM104WA) - ensures tight output voltage tolerance in programmable power supplies |
| Reference Dynamic Impedance | 0.2Ω typ - maintains stable reference voltage under fast load-current steps in adaptive bias networks |
| ESD Protection | 2kV HBM - provides robustness against handling-induced discharge during board assembly |
| Quiescent Current per Op-Amp | 375µA @ 5V - enables low-power operation in battery-backed supervision circuits |
Pinout & Package
Package: SO16 (Plastic Micropackage), 16-pin small-outline IC with gull-wing leads, 1.27mm pitch, body dimensions 9.8 × 5.8 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Output 1 | Amplifier A output - drives external compensation network in primary-side feedback loop |
| 2 | Inverting Input 1 | Feedback node for op-amp A - connects to voltage divider output in regulated supply |
| 3 | Non-inverting Input 1 | Reference or setpoint input for op-amp A - accepts stable VREF or external reference |
| 4 | VCC+ | Positive supply rail - powers all four op-amps and reference section |
| 5 | Non-inverting Input 2 | Input for op-amp B - used for current-sense amplification or secondary regulation path |
| 6 | Inverting Input 2 | Inverting input for op-amp B - connects to shunt resistor or auxiliary feedback point |
| 7 | Output 2 | Amplifier B output - drives gate of external MOSFET or optocoupler LED |
| 8 | Adjust | Reference adjust terminal - sets output voltage via external R1/R2 divider (VOUT = VREF(1+R1/R2)) |
| 9 | Output 4 | Amplifier D output - configurable as comparator or precision buffer for system monitoring |
| 10 | Inverting Input 4 | Inverting input for op-amp D - accepts fault threshold or overvoltage detection signal |
| 11 | Non-inverting Input 4 | Non-inverting input for op-amp D - tied to internal reference or external trip point |
| 12 | Non-inverting Input 3 | Input for op-amp C - used for temperature-compensated biasing or auxiliary control |
| 13 | Inverting Input 3 | Inverting input for op-amp C - connects to thermal sensor or compensation network |
| 14 | Output 3 | Amplifier C output - drives external transistor or LED indicator |
| 15 | Cathode | Reference cathode terminal - sinks 1–100mA; connects to feedback node of DC-DC converter |
| 16 | VCC− | Negative supply rail - completes dual-supply path; also serves as reference anode return |
Key Features
| Feature | Design Value |
|---|---|
| Integrated quad op-amp + shunt reference | Reduces component count by ≥5 parts in multi-rail power supervisors and redundant feedback systems |
| 0.4% reference voltage accuracy (TSM104WA) | Enables ±0.5% output voltage regulation without external trimming in telecom power modules |
| 0.2Ω typical dynamic impedance | Maintains <10mV reference deviation during 50mA load steps - critical for fast transient response |
| 20nA max input bias current | Minimizes offset error when driving high-impedance dividers (>1MΩ) in ultra-low-power applications |
| −40°C to +105°C operating range | Validates use in industrial motor drives and outdoor power equipment without derating |
Applications
| AC-DC Adapter Feedback | Programmable Lab Power Supply |
|---|---|
Use Scenario: Secondary-side voltage regulation in isolated flyback adapters with optocoupler feedback. IC Role / Device Role / Timing Role: Op-amps compare output voltage against internal reference; reference section sets precise 2.5V threshold for error amplifier. Use Value: Eliminates need for external TL431 and two op-amps, reducing BOM cost and layout area by 35%. | Use Scenario: Multi-range, digitally controlled bench power supply with adjustable CV/CC limits. IC Role / Device Role / Timing Role: One op-amp configures as current-sense amplifier, another as voltage error amplifier, reference sets base 2.5V for DAC-controlled output scaling. Use Value: Enables 0.1% voltage setting resolution using 12-bit DAC and 0.4% reference accuracy. |
| Dual-Output DC-DC Converter | Industrial PLC I/O Module |
Use Scenario: Independent regulation of +5V and +3.3V rails from single buck-boost controller. IC Role / Device Role / Timing Role: Two op-amps serve as independent error amplifiers; shared reference ensures ratio-metric tracking between outputs. Use Value: Achieves <±1% cross-regulation error across load steps due to matched reference and amplifier offsets. | Use Scenario: Analog input protection and signal conditioning in 4–20mA current-loop receiver modules. IC Role / Device Role / Timing Role: Op-amps buffer and level-shift sensor signals; reference provides excitation voltage for RTD bridges. Use Value: Supports 0.05% measurement accuracy with 20nA input bias limiting leakage-induced offset in high-Z bridge arms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad op-amp + shunt reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TL431ACDR + LM324DR | Discrete solution: separate reference (2.495V, ±1%) and quad op-amp (700µA/op, 1.2MHz GBW) | Requires 2 ICs, larger footprint, no shared thermal tracking between reference and op-amps | Preferred where reference accuracy >0.4% is unnecessary and board space is unconstrained |
| LM336Z-2.5 + MCP6004-E/SL | Fixed 2.5V shunt reference (±0.5%) + micropower quad op-amp (1µA/op, 1MHz GBW) | No adjustable reference output; op-amps lack rail-to-rail output swing | Suitable for battery-powered sensors needing ultra-low quiescent current but not programmable VOUT |
Compared with TL431+LM324 and LM336+MCP6004, TSM104WID offers monolithic integration, tighter reference accuracy, lower total supply current, and matched thermal drift-making it optimal for space- and precision-critical power management designs.
Availability
TSM104WID is available at Aetrix Electronics and suitable for AC-DC adapters, programmable lab power supplies, dual-output DC-DC converters, and industrial PLC I/O modules requiring stable component supply across extended temperature ranges.
Supply support for TSM104WID includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in power management, analog, microcontrollers, and automotive ICs.
The TSM104WID belongs to ST's precision analog power management portfolio, engineered specifically for integrated feedback and regulation in compact, high-reliability power conversion systems.
FAQ
What is the maximum cathode current supported by the TSM104WID reference section?
The TSM104WID reference section supports 1mA to 100mA cathode current, with minimum regulation current of 0.5mA. At 100mA, dynamic impedance remains ≤0.5Ω, enabling stable operation in high-current feedback paths such as server VRMs and motor drive power stages.
Can the TSM104WID operate from a single 5V supply?
Yes - the TSM104WID operates from single 5V (VCC+ = 5V, VCC− = GND) or dual ±15V supplies. In single-supply mode, input common-mode range extends to within 1.5V of VCC+, and output swings to within 20mV of ground, supporting rail-to-rail signal conditioning in 5V systems.
How does the TSM104WID differ from the standard TSM104W in reference accuracy?
The TSM104WID uses the "WA" grade silicon, guaranteeing 0.4% reference voltage accuracy (2.475–2.525V at 25°C), whereas the base TSM104W offers 1% accuracy (2.45–2.55V). The WA variant also features tighter input offset voltage (0.5mV vs. 1mV typ) and lower offset drift (7µV/°C vs. 10µV/°C).
Is the SO16 package of TSM104WID RoHS-compliant and lead-free?
Yes - the TSM104WID SO16 package is RoHS-compliant and lead-free, meeting JEDEC J-STD-020 moisture sensitivity level 3 (MSL3) and qualified for reflow soldering per IPC/JEDEC J-STD-020. Full compliance documentation is available upon request from Aetrix Electronics.
TSM104WID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 0.3V/µs
- Gain Bandwidth Product:
- 900 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 30 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 1.4mA (x4 Channels)
- Current - Output / Channel:
- 40 mA
- Voltage - Supply Span (Min):
- 3 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- -40°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
TSM104WID FAQ
1.How can I place an order for TSM104WID through Aetrix?
Please submit a Request for Quotation (RFQ) for TSM104WID on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TSM104WID reliable?
The price and inventory of TSM104WID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSM104WID is usually 5 days.
3.What payment methods are accepted for TSM104WID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSM104WID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSM104WID?
TSM104WID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSM104WID order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TSM104WID?
For technical support, including TSM104WID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSM104WID requirements.
6.How does Aetrix verify that TSM104WID is sourced from the original manufacturer or authorized distributors?
All TSM104WID products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TSM104WID meets industry standards.
7.What is the process for return or replacement of TSM104WID?
All TSM104WID units undergo pre-shipment inspection (PSI). If there is an issue with TSM104WID, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TSM104WID part is unused and in its original packaging.
Return procedure for TSM104WID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TSM104WID Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
Texas Instruments
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