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Texas Instruments TLC2202CD
- Part No.:
- TLC2202CD
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLC2202CD.pdf
- Description:
- IC CMOS 2 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:149
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Product details
Overview
TLC2202CD from Texas Instruments is a dual, precision, low-noise rail-to-rail output operational amplifier using Advanced LinCMOS™ process. It delivers 500 µV max input offset voltage, 30 nV/√Hz max input noise at 10 Hz, and 12 nV/√Hz max at 1 kHz, operating from ±2.3 V to ±8 V supplies across 0°C to 70°C. It serves in high-impedance sensor signal conditioning, medical instrumentation front-ends, and precision single-supply data acquisition systems.
For engineers reviewing the TLC2202CD datasheet, TLC2202CD pinout, TLC2202CD application, or TLC2202CD equivalent, this page provides verified package mapping (SOIC-8), confirmed dual-amplifier topology, rail-to-rail output swing, common-mode input range including negative rail, and validated alternatives for low-noise precision op-amp selection.
Technical Context
The TLC2202CD integrates two independent amplifiers on a single die using silicon-gate Advanced LinCMOS™ technology, enabling superior input offset voltage stability over temperature (0.5 µV/°C typ) and time versus metal-gate processes. Its input stage includes JFET-like high impedance (1 pA typ input bias current) with bipolar-level DC precision.
It supports both single-supply (e.g., VDD+ = 5 V, VDD−/GND = 0 V) and split-supply (e.g., ±5 V) operation, with common-mode input voltage range extending to the negative rail and rail-to-rail output swing delivering >4.7 V peak-to-peak into 10 kΩ load. Absolute maximum supply is ±8 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 500 µV max at 25°C - ensures minimal DC error in precision gain stages and sensor bridges |
| Input Noise Voltage | 30 nV/√Hz max at 10 Hz - critical for low-frequency biosignal and strain gauge amplification |
| Input Bias Current | 1 pA typ at 25°C - enables use with ultra-high-impedance sources (>1 GΩ) without significant loading |
| Common-Mode Input Range | Includes negative rail - allows direct interface to ground-referenced transducers in single-supply systems |
| Rail-to-Rail Output | Swing within 200 mV of rails at 10 kΩ - maximizes dynamic range in 3.3 V or 5 V systems |
| Supply Voltage Range | ±2.3 V to ±8 V - supports flexible power architecture from low-voltage portable to industrial ±5 V rails |
| Gain-Bandwidth Product | 1.9 MHz - sufficient for anti-aliasing filters, active instrumentation amps, and closed-loop gains ≤100 |
Pinout & Package
Package: SOIC-8 (D package), 150 mil width, tape-and-reel capable (R suffix option). Pin 4 is VDD−/GND; Pin 8 is VDD+. Amplifier A uses pins 2 (IN−), 3 (IN+), 1 (OUT); Amplifier B uses pins 6 (IN−), 5 (IN+), 7 (OUT). Pins 4 and 8 are shared power terminals; no internal connection on pins labeled NC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Amplifier A Output | Delivers rail-to-rail buffered signal; requires local 100 pF bypass if driving capacitive loads >100 pF |
| 2 | Amplifier A Inverting Input | High-impedance node; sensitive to PCB leakage-guard ring recommended for <1 pA bias applications |
| 3 | Amplifier A Non-Inverting Input | DC-coupled input path; common-mode range extends to VDD−, enabling true single-supply sensor biasing |
| 4 | VDD− / Ground | Power return for both amplifiers; must be low-impedance; separate analog/digital ground not required |
| 5 | Amplifier B Non-Inverting Input | Independent input channel; identical specs to Pin 3-supports dual-channel synchronous signal conditioning |
| 6 | Amplifier B Inverting Input | Matches Pin 2 performance; usable for unity-gain buffer or differential pair configuration |
| 7 | Amplifier B Output | Second rail-to-rail output; electrically isolated from Pin 1-enables dual-path filtering or redundancy |
| 8 | VDD+ | Positive supply rail; decoupling capacitor (0.1 µF ceramic + 10 µF tantalum) required within 5 mm |
Key Features
| Feature | Design Value |
|---|---|
| Advanced LinCMOS™ Process | Silicon-gate technology ensures <0.5 µV/°C offset drift and long-term stability-critical for uncalibrated field instruments |
| Bipolar-JFET Hybrid Performance | Combines JFET input impedance (1 pA IB) with bipolar DC precision (500 µV VIO)-eliminates trade-off between noise and accuracy |
| Rail-to-Rail Output + Negative Rail Input | Enables true single-supply operation down to 0 V common-mode, reducing system BOM by removing level-shifting circuitry |
| ESD Protection | 2000 V HBM per MIL-PRF-38535 Method 3015.2-reduces handling sensitivity vs. unprotected CMOS op-amps |
| Surge Current Tolerance | Withstands −100 mA transient on inputs/outputs without latch-up-improves robustness in noisy industrial environments |
Applications
| Medical ECG Front-End | Industrial Strain Gauge Amplifier |
|---|---|
Use Scenario: Amplifying microvolt-level cardiac signals from dry electrodes in portable ECG monitors. IC Role / Device Role / Timing Role: Dual-channel instrumentation amplifier first stage (gain = 10–100), rejecting 50/60 Hz interference via matched channels. Use Value: 30 nV/√Hz noise floor preserves QRS complex fidelity; rail-to-rail output maximizes ADC utilization in 3.3 V systems. | Use Scenario: Conditioning Wheatstone bridge outputs from load cells in factory-floor weighing systems. IC Role / Device Role / Timing Role: Low-drift, low-noise differential-to-single-ended converter with programmable gain. Use Value: 0.5 µV/°C offset drift minimizes thermal zero-error; 1 pA input bias prevents bridge imbalance in high-Z configurations. |
| Portable Gas Sensor Signal Chain | Test Equipment Reference Buffer |
Use Scenario: Amplifying current-mode output from electrochemical gas sensors powered by coin-cell batteries. IC Role / Device Role / Timing Role: Transimpedance amplifier (TIA) with ultra-low input bias current and low 1/f noise. Use Value: 1 pA typical input bias avoids sensor polarization; 30 nV/√Hz at 10 Hz captures slow-concentration changes accurately. | Use Scenario: Buffering precision voltage references (e.g., REF5025) in automated test equipment calibration modules. IC Role / Device Role / Timing Role: Unity-gain stable, low-drift buffer isolating reference from varying load conditions. Use Value: 500 µV max VIO and 0.5 µV/°C drift ensure reference integrity across temperature; rail-to-rail swing maintains full-scale accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision low-noise op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2188AIDR | Lower offset (25 µV max), lower noise (8.8 nV/√Hz at 1 kHz), but higher supply current (1 mA typ) and no rail-to-rail output | Preferred for ultra-precision DC-coupled systems where offset dominates; unsuitable for single-supply rail-to-rail output needs | Select OPA2188AIDR when sub-100 µV offset is mandatory and supply headroom permits non-rail-to-rail swing |
| MCP6V82-E/SN | Zero-drift architecture (0.25 µV max VIO), 17 nV/√Hz at 1 kHz, rail-to-rail I/O, but limited bandwidth (2 MHz GBW) and higher quiescent current (1.1 mA) | Better for DC-stable, low-drift applications like precision weigh scales; less optimal for moderate-speed sensor interfaces requiring phase margin >45° | Choose MCP6V82-E/SN when long-term zero-drift stability outweighs low 10-Hz noise requirements |
Compared with TLC2202CD, OPA2188AIDR offers superior DC accuracy but sacrifices rail-to-rail output and low-frequency noise performance, while MCP6V82-E/SN improves drift and noise at 1 kHz but increases power and reduces usable bandwidth for fast transients.
Availability
TLC2202CD is available at Aetrix Electronics and suitable for medical instrumentation, industrial sensor interfaces, and portable test equipment requiring stable component supply, long-lifecycle support, and consistent parametric performance across production batches.
Supply support for TLC2202CD 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 heritage in precision op-amp design and manufacturing.
The TLC220x family was engineered for high-impedance, low-level signal-conditioning in single- or split-supply configurations-targeting applications where noise, offset, and input bias current critically impact measurement integrity.
FAQ
What is the maximum supply voltage rating for the TLC2202CD?
The TLC2202CD has an absolute maximum supply voltage rating of ±8 V across VDD+ and VDD− terminals. Operation beyond this limit risks permanent damage. Recommended operating range is ±2.3 V to ±8 V, with stable performance verified at ±5 V and 5 V single-supply (VDD+ = 5 V, VDD− = 0 V). Always observe derating curves in the datasheet for elevated ambient temperatures.
Does the TLC2202CD support true single-supply operation with input signals referenced to ground?
Yes, the TLC2202CD supports true single-supply operation: its common-mode input voltage range includes the negative rail (VDD−/GND), allowing ground-referenced inputs, and its rail-to-rail output swings within 200 mV of both supply rails. This enables direct interfacing with sensors tied to system ground in 3.3 V or 5 V systems without level-shifting circuitry-verified in the TLC2202CD datasheet Section 7.3.
What is the guaranteed input offset voltage specification for the TLC2202CD over temperature?
The TLC2202CD guarantees a maximum input offset voltage of 500 µV at 25°C and 650 µV across the full operating temperature range (0°C to 70°C). Its temperature coefficient is specified at 0.5 µV/°C typical, meaning drift contributes ≤35 µV over a 70°C span-critical for maintaining accuracy in uncalibrated embedded systems.
Can the TLC2202CD drive capacitive loads without instability?
The TLC2202CD is unity-gain stable but exhibits reduced phase margin (48° typical) when driving >100 pF capacitive loads directly. For loads exceeding this-such as ADC input capacitors or long PCB traces-a small series resistor (10–50 Ω) between the TLC2202CD output and the load restores stability. This behavior is documented in the TLC2202CD datasheet's "Capacitive Load Driving" section and confirmed in application note SLOA058.
How does the noise performance of the TLC2202CD compare between 10 Hz and 1 kHz?
The TLC2202CD specifies 30 nV/√Hz maximum equivalent input noise voltage at 10 Hz and 12 nV/√Hz maximum at 1 kHz-demonstrating strong low-frequency (1/f) noise suppression characteristic of Advanced LinCMOS™ process. This makes it especially suitable for applications like ECG or strain gauge amplification where signal energy resides below 100 Hz, unlike general-purpose op-amps with higher 1/f corners.
TLC2202CD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 2.7V/µs
- Gain Bandwidth Product:
- 1.9 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 4 µA
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 5.6mA (x2 Channels)
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 4.6 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
TLC2202CD FAQ
1.How can I place an order for TLC2202CD through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC2202CD 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 TLC2202CD reliable?
The price and inventory of TLC2202CD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC2202CD is usually 5 days.
3.What payment methods are accepted for TLC2202CD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC2202CD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC2202CD?
TLC2202CD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC2202CD 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 TLC2202CD?
For technical support, including TLC2202CD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC2202CD requirements.
6.How does Aetrix verify that TLC2202CD is sourced from the original manufacturer or authorized distributors?
All TLC2202CD 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 TLC2202CD meets industry standards.
7.What is the process for return or replacement of TLC2202CD?
All TLC2202CD units undergo pre-shipment inspection (PSI). If there is an issue with TLC2202CD, 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 TLC2202CD part is unused and in its original packaging.
Return procedure for TLC2202CD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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