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Texas Instruments TLC085AIPWP
- Part No.:
- TLC085AIPWP
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 20-PowerTSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TLC085AIPWP.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 20HTSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,243
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Product details
Overview
TLC085AIPWP from Texas Instruments is a quad-channel BiMOS operational amplifier optimized for single-supply operation (4.5 V to 16 V), delivering 10 MHz bandwidth, ±57 mA output drive, and 16 V/µs positive slew rate. It features integrated shutdown control per channel pair, rail-to-rail input common-mode range (GND to VDD–2 V), and ultra-low 125 µA/channel shutdown current - enabling high-fidelity signal conditioning in space-constrained audio and industrial sensor front-ends.
For engineers reviewing the TLC085AIPWP datasheet, TLC085AIPWP pinout, TLC085AIPWP application, or TLC085AIPWP equivalent, key selection criteria include its 20-pin TSSOP PowerPAD™ package with dual-pair shutdown, guaranteed 60 µV max input offset voltage (A-grade), and ability to drive ±50 mA loads at 0.5 V and VDD–1.5 V - critical for active filter stages, precision transimpedance amplifiers, and analog output drivers in programmable logic controllers.
Technical Context
The TLC085AIPWP implements a BiMOS architecture combining CMOS input stage (ultra-high impedance, 1000 GΩ differential resistance, 8.5 nV/√Hz noise) with bipolar output stage (high-current sourcing/sinking). Its internal topology supports independent shutdown of channels 1&2 and 3&4 via dedicated SHDN pins, enabling dynamic power management in multi-stage signal chains.
Designed for robust stability with capacitive loads up to 50 pF (phase margin ≥32°), it maintains 10 MHz gain-bandwidth product across 4.5–16 V supply and –40°C to +125°C temperature range. Input offset voltage drift is specified at 1.2 µV/°C, and common-mode rejection exceeds 80 dB over full operating range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth | 10 MHz - enables stable closed-loop operation up to 100 kHz with 100× gain in unity-gain-stable configurations. |
| Output Drive | ±57 mA - drives heavy loads such as 600 Ω audio lines or 10 kΩ DAC buffers without external boost circuitry. |
| Slew Rate | +16 V/µs / –19 V/µs - supports fast settling (<0.4 µs) for 1 V step inputs in precision data acquisition systems. |
| Supply Range | 4.5 V to 16 V - operates directly from industrial 5 V, 12 V, or automotive 13.5 V rails without LDO regulation. |
| Input Offset | 60 µV max (A-grade) - reduces DC error in 16-bit ADC front-ends, eliminating need for system-level calibration. |
| Shutdown Current | 125 µA/channel - cuts total quiescent draw to <500 µA when two channel pairs are disabled, extending battery life in portable instrumentation. |
| Noise Density | 8.5 nV/√Hz at 1 kHz - preserves SNR in low-level sensor amplification (e.g., thermocouple, strain gauge) without added filtering. |
Pinout & Package
Package: 20-pin TSSOP (PWP) with exposed thermal pad (PowerPAD™) for enhanced thermal dissipation (θJA = 26.1°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 10, 16 | OUT | Amplifier outputs - each capable of ±57 mA continuous drive into resistive loads. |
| 2, 6, 11, 17 | IN– | Inverting inputs - high-impedance CMOS node (1000 GΩ) with 0.6 fA/√Hz current noise. |
| 3, 7, 12, 18 | IN+ | Non-inverting inputs - rail-to-rail common-mode range (GND to VDD–2 V) enables single-supply sensor interfacing. |
| 4, 13 | VDD | Positive supply - accepts 4.5–16 V; decoupling required within 1 cm for stability with capacitive loads. |
| 8, 15 | GND | Analog ground - connects to PCB thermal pad; must be low-impedance plane for noise immunity. |
| 9, 14 | 1/2SHDN & 3/4SHDN | Channel-pair shutdown controls - TTL-compatible (VIH = 2 V, VIL = 0.8 V); pulls supply current to 125 µA/channel when low. |
| 19, 20 | NC | No internal connection - left unconnected; not used for thermal or electrical functions. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input common-mode range | Operates with inputs at GND or up to VDD–2 V - eliminates level-shifting in single-supply 0–5 V or 0–12 V systems. |
| Dual independent shutdown control | Separate 1/2SHDN and 3/4SHDN pins allow selective disabling of channel pairs - reduces power by >99% per disabled pair. |
| High-output-drive bipolar output stage | Delivers ±57 mA while maintaining <0.7 V VOL at 50 mA - drives low-impedance loads (e.g., 600 Ω audio, 1 kΩ PLC outputs) without external transistors. |
| Low input offset voltage (A-grade) | 60 µV max ensures <0.1% gain error in 12-bit precision applications - avoids trimming in production test. |
| Stable with 50 pF capacitive load | Maintains ≥32° phase margin into 50 pF - supports direct driving of ADC input capacitance or long cables without isolation resistors. |
Applications
| Audio Line Driver | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Driving balanced/unbalanced 600 Ω audio lines from microcontroller DAC outputs in broadcast equipment. IC Role / Device Role / Timing Role: Quad op-amp configured as two differential line drivers (channels 1&2) and two active filters (channels 3&4), with shutdown used during mute intervals. Use Value: ±57 mA output drive delivers 24 VPP into 600 Ω without clipping; 8.5 nV/√Hz noise preserves dynamic range >110 dB(A). | Use Scenario: Amplifying low-level mV-range signals from RTD, thermocouple, or bridge sensors in PLC analog input modules. IC Role / Device Role / Timing Role: Precision instrumentation amplifier front-end (INA configuration using channels 1&2), followed by anti-aliasing filter (channel 3) and reference buffer (channel 4). Use Value: 60 µV max input offset and 1.2 µV/°C drift minimize temperature-induced errors; rail-to-rail input allows direct 0–5 V sensor excitation. |
| Programmable Logic Controller Output Stage | Test & Measurement Active Filter Bank |
Use Scenario: Providing isolated 0–10 V or 4–20 mA analog outputs in industrial automation controllers. IC Role / Device Role / Timing Role: Voltage-output driver (channel 1), current-loop transmitter (channel 2 with external transistor), reference buffer (channel 3), and fault monitor comparator (channel 4). Use Value: High output current (±57 mA) sustains 20 mA loop drive with 500 Ω compliance; shutdown disables outputs during firmware updates. | Use Scenario: Implementing cascaded 4th-order low-pass/high-pass filters in automated test equipment for EMI pre-compliance testing. IC Role / Device Role / Timing Role: Quad op-amp configured as two 2-pole Sallen-Key filters (channels 1&2, 3&4), with independent shutdown for frequency-band selection. Use Value: 10 MHz GBW supports filter cutoffs up to 200 kHz; 16 V/µs slew rate prevents distortion on 10 VPP test waveforms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2464AIPW | Lower bandwidth (6.4 MHz), lower output drive (±30 mA), no shutdown, 14-pin TSSOP package. | Lacks channel-pair shutdown and high-current capability - unsuitable for dynamic power management or 600 Ω line driving. | Select when cost sensitivity outweighs drive strength and power control needs; verify stability with target load capacitance. |
| OPA4340UA | Rail-to-rail I/O, lower noise (4.5 nV/√Hz), but only ±20 mA output drive and no shutdown; 14-pin SOIC package. | Superior noise performance for low-level signal amplification, but cannot drive heavy loads or support power-gating schemes. | Prefer for ultra-low-noise sensor front-ends where output current ≤20 mA suffices and shutdown is unnecessary. |
Compared with TLV2464AIPW and OPA4340UA, the TLC085AIPWP uniquely combines quad-channel integration, per-pair shutdown, ±57 mA drive, and 10 MHz bandwidth in a 20-pin TSSOP - making it the only option among the three capable of replacing discrete op-amp + MOSFET driver combinations in space-constrained industrial outputs.
Availability
TLC085AIPWP is available at Aetrix Electronics and suitable for industrial automation, test & measurement equipment, and professional audio systems requiring stable component supply across extended temperature ranges (–40°C to +125°C) and long production lifecycles.
Supply support for TLC085AIPWP 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
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of expertise in precision amplifiers and industrial-grade IC design.
The TLC085AIPWP belongs to TI's BiMOS operational amplifier family, engineered specifically for high-output-drive, wide-bandwidth single-supply applications in harsh environments - including factory automation, motor control feedback, and instrumentation signal chains.
FAQ
What is the maximum capacitive load the TLC085AIPWP can drive while maintaining stability?
The TLC085AIPWP maintains ≥32° phase margin with up to 50 pF capacitive load at unity gain, as verified in the datasheet's Figure 19 (phase margin vs. load capacitance). This allows direct connection to ADC input capacitance or short PCB traces without series isolation resistors. For loads exceeding 50 pF, external compensation or a unity-gain buffer stage is required to prevent oscillation.
Does the TLC085AIPWP support true rail-to-rail output swing?
No, the TLC085AIPWP does not provide rail-to-rail output swing. Its output voltage swing is typically within 1.5 V of the positive rail (VDD–1.5 V) and 0.5 V above ground under 50 mA load, as specified in the Electrical Characteristics table. This limitation is inherent to its bipolar output stage and must be accounted for in 0–5 V or 0–12 V output designs.
How does the shutdown function operate on the TLC085AIPWP?
The TLC085AIPWP features two independent shutdown pins: pin 9 (1/2SHDN) disables channels 1 and 2, while pin 14 (3/4SHDN) disables channels 3 and 4. Driving either pin low (≤0.8 V) reduces the respective channel pair's supply current to 125 µA/channel. Both pins must be high (≥2 V) for full operation. The shutdown transition times are 0.47 µs (turn-on) and 2.5 µs (turn-off) at 25°C.
What is the input offset voltage specification for the TLC085AIPWP across temperature?
The TLC085AIPWP (A-grade) guarantees a maximum input offset voltage of 2000 µV over the full –40°C to +125°C operating range, with a typical value of 390 µV at 25°C. Its temperature coefficient is 1.2 µV/°C, meaning offset drift contributes ≤150 µV over a 125°C span - critical for maintaining accuracy in uncalibrated industrial sensors.
Can the TLC085AIPWP be used with a split supply?
Yes, the TLC085AIPWP supports split-supply operation with ±2.25 V to ±8 V rails, as stated in the Recommended Operating Conditions table. When used in dual-supply mode, its common-mode input range extends from –VSS to +VDD–2 V, and output swing remains symmetric about ground. However, the shutdown logic remains referenced to the GND terminal, requiring proper level translation if GND is not at mid-supply.
TLC085AIPWP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 20-PowerTSSOP (0.173", 4.40mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 19V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 3 pA
- Voltage - Input Offset:
- 390 µV
- Current - Supply:
- 1.9mA (x4 Channels)
- Current - Output / Channel:
- 57 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-HTSSOP
TLC085AIPWP FAQ
1.How can I place an order for TLC085AIPWP through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC085AIPWP 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 TLC085AIPWP reliable?
The price and inventory of TLC085AIPWP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC085AIPWP is usually 5 days.
3.What payment methods are accepted for TLC085AIPWP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC085AIPWP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC085AIPWP?
TLC085AIPWP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC085AIPWP 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 TLC085AIPWP?
For technical support, including TLC085AIPWP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC085AIPWP requirements.
6.How does Aetrix verify that TLC085AIPWP is sourced from the original manufacturer or authorized distributors?
All TLC085AIPWP 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 TLC085AIPWP meets industry standards.
7.What is the process for return or replacement of TLC085AIPWP?
All TLC085AIPWP units undergo pre-shipment inspection (PSI). If there is an issue with TLC085AIPWP, 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 TLC085AIPWP part is unused and in its original packaging.
Return procedure for TLC085AIPWP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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