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Texas Instruments TLC27M4CD
- Part No.:
- TLC27M4CD
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLC27M4CD.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,534
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Product details
Overview
TLC27M4CD from Texas Instruments is a LinCMOS™ precision quad operational amplifier optimized for low-power, rail-to-rail output (negative rail included), high-input-impedance (6 TΩ typ) signal conditioning in 0°C to 70°C industrial environments. It delivers ±300 µV max input offset voltage at 25°C, 32 nV/√Hz input voltage noise at 1 kHz, and 1.1 MHz unity-gain bandwidth with 0.5 V/µs slew rate under 5 V supply.
For engineers reviewing the TLC27M4CD datasheet, TLC27M4CD pinout, TLC27M4CD application, or TLC27M4CD equivalent, this device is selected for precision analog front-ends where low quiescent current (120 µA per two amplifiers), wide 3–16 V supply range, and ESD-protected inputs support robust multiplexed data acquisition and test equipment designs without bipolar power rails.
Technical Context
The TLC27M4CD employs LinCMOS™ process technology to achieve CMOS-level input bias currents (±10 pA typ) while maintaining bipolar-like speed and noise performance. Its architecture supports single-supply operation with common-mode input range extending to −0.2 V (below ground) and output swing to negative rail - enabling true ground-referenced sensing in unipolar systems.
It features internal ESD protection and latch-up immunity, operates across 0°C to 70°C (C-suffix), and is specified for 3 V to 16 V supply voltages. Electrical characteristics are guaranteed at both 5 V and 10 V supplies, with key parameters including 80 dB min CMRR, 140 dB max PSRR, and 1000 V/mV large-signal voltage gain.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input offset voltage | ±300 µV max at 25°C, VDD = 5 V - enables <1 LSB error in 12-bit ADC interfaces without trimming |
| Offset voltage drift | ±0.6 µV/°C - ensures <2 µV total drift over 0°C–70°C operating range |
| Input voltage noise | 32 nV/√Hz at f = 1 kHz - supports low-noise sensor amplification (e.g., strain gauges, thermopiles) |
| Supply current (two amps) | 120 µA typ at 25°C, VDD = 5 V - allows battery-powered portable instrumentation with >1-year runtime |
| Unity-gain bandwidth | 1.1 MHz at VDD = 5 V - sufficient for anti-aliasing filters and closed-loop control up to ~100 kHz |
| Slew rate | 0.5 V/µs at unity gain - supports 100 mVpp signals up to ~80 kHz without distortion |
| Common-mode input range | −0.2 V to 3.5 V at VDD = 5 V - accepts ground-referenced inputs and accommodates level-shifting circuits |
Pinout & Package
Package: SOIC-14 (D package), 8.65 mm × 3.9 mm body size, surface-mount, tape-and-reel compatible.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OUT | Output | Amplifier A output - drives loads up to 10 kΩ with rail-to-negative-rail swing |
| 1IN− | Inverting input | High-impedance node (6 TΩ) for feedback networks and precision summing configurations |
| 1IN+ | Non-inverting input | Accepts common-mode voltages down to −0.2 V - enables true single-supply transducer interfacing |
| VDD | Positive supply | Supports 3–16 V operation; decoupling required within 1 cm for stability at >100 kHz |
| 2IN+ | Non-inverting input | Independent channel B input - identical specs to Channel A; no crosstalk degradation observed |
| 2IN− | Inverting input | Used with external resistors for programmable gain stages in multi-channel signal chains |
| 2OUT | Output | Amplifier B output - electrically isolated from other channels; shares same supply rejection as Channel A |
| 3OUT | Output | Amplifier C output - fully specified per channel; usable for independent filtering or buffering paths |
| 3IN− | Inverting input | Supports differential input configurations when paired with 3IN+ and external gain resistors |
| 3IN+ | Non-inverting input | Compatible with low-level sensor outputs; bias current <60 pA avoids loading high-Z sources |
| GND | Ground / negative rail | Reference for all four amplifiers; output swings to within 50 mV of GND at IOL = 0 |
| 4IN+ | Non-inverting input | Enables fourth independent signal path - e.g., reference buffer, comparator hysteresis generator |
| 4IN− | Inverting input | Used in active filter topologies (e.g., Sallen-Key) requiring precise pole placement |
| 4OUT | Output | Amplifier D output - supports simultaneous multi-function analog processing on one IC |
Key Features
| Feature | Design Value |
|---|---|
| Trimmed input offset voltage | ±300 µV max at 25°C - reduces calibration overhead in production test for 12-bit systems |
| Low input bias current | ±10 pA typ at 25°C - preserves signal integrity from high-impedance pH electrodes or piezoelectric sensors |
| Rail-to-rail output (negative rail) | Swings to GND with ≤50 mV drop at zero load - eliminates need for negative supply in single-ended sensor interfaces |
| ESD protection circuitry | Integrated HBM protection >2 kV - reduces external TVS requirements in field-deployable test equipment |
| Latch-up immunity | Designed-in per JEDEC JESD78 - prevents catastrophic failure during input overvoltage or power sequencing faults |
Applications
| Multiplexed Data Acquisition | Test & Measurement Equipment |
|---|---|
|
Use Scenario: Simultaneous sampling of 4 temperature, pressure, and current sensors via analog multiplexer before ADC conversion. IC Role / Device Role: Quad buffer/amplifier providing matched gain, offset correction, and drive capability for each channel. Use Value: Eliminates inter-channel gain mismatch errors (<0.01%) and supports 12-bit effective resolution without per-channel calibration. |
Use Scenario: Front-end signal conditioning in handheld multimeters and benchtop oscilloscope probe amplifiers. IC Role / Device Role: Precision DC-coupled amplifier with low drift and noise for accurate voltage/current measurement. Use Value: Enables ±0.1% basic accuracy over 0°C–70°C using only passive component tolerance - no active trimming required. |
| Programmable Logic Controllers | Analog Input/Output Modules |
|
Use Scenario: Isolated analog input stage converting 4–20 mA loop signals to 0–5 V for microcontroller ADC interface. IC Role / Device Role: Current-to-voltage converter and level-shifter with rail-to-rail output driving SAR ADC reference. Use Value: Supports full 4–20 mA span with <10 µA input bias error and <100 µV offset contribution to system accuracy. |
Use Scenario: Multi-channel voltage output driver for industrial DAC-based control systems (e.g., valve positioning). IC Role / Device Role: Output buffer and low-pass filter stage ensuring stable, low-noise 0–10 V analog outputs. Use Value: Delivers <1 LSB settling time <5 µs and maintains monotonicity across temperature due to low drift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLC27M4ACD | Lower initial offset: ±500 µV max vs ±300 µV for TLC27M4CD - tighter grade but higher cost. | Preferred where <0.5 mV absolute offset is mandatory pre-calibration (e.g., medical sensor front-ends). | Select TLC27M4ACD only if system-level offset budget requires sub-0.5 mV worst-case without trimming. |
| TLV2464CD | Higher quiescent current (550 µA vs 120 µA), rail-to-rail I/O, lower noise (22 nV/√Hz), but narrower supply (2.7–6 V). | Better for ultra-low-noise, low-voltage portable devices; unsuitable for 12 V industrial supplies. | Choose TLV2464CD only when 2.7–6 V operation and <25 nV/√Hz noise outweigh power and supply-range constraints. |
Compared with TLC27M4CD, TLC27M4ACD offers tighter offset specification at higher cost and same power/speed trade-offs, while TLV2464CD provides superior noise and rail-to-rail input but sacrifices supply flexibility and increases quiescent consumption by 4.6× - making TLC27M4CD optimal for cost-sensitive, wide-supply industrial signal chains.
Availability
TLC27M4CD is available at Aetrix Electronics and suitable for multiplexed data acquisition, test and measurement equipment, and programmable logic controller analog modules requiring stable component supply across extended temperature and voltage ranges.
Supply support for TLC27M4CD 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 over 90 years of innovation in precision analog ICs.
The TLC27Mxx family was designed for industrial and instrumentation applications demanding precision, low power, and robustness in single-supply configurations - targeting data acquisition, sensor signal conditioning, and control system front-ends.
FAQ
What is the maximum supply voltage rating for the TLC27M4CD?
The absolute maximum supply voltage (VDD) for the TLC27M4CD is 18 V, as specified in Section 6.1 of the datasheet. However, recommended operating conditions limit continuous operation to 3 V–16 V across the 0°C to 70°C temperature range. Exceeding 16 V may cause permanent damage or accelerated parametric shift, especially at elevated temperatures.
Does the TLC27M4CD support rail-to-rail input operation?
No, the TLC27M4CD does not support rail-to-rail input. Its common-mode input voltage range extends to −0.2 V (below ground) and up to 3.5 V at VDD = 5 V, meaning it accepts inputs slightly below GND but cannot reach the positive rail. The output, however, swings to the negative rail (GND) and within ~0.05 V of VDD.
Can the TLC27M4CD be used with a 3 V supply?
Yes, the TLC27M4CD is fully specified for operation at 3 V supply in the 0°C to 70°C range per Section 6.3. At 3 V, typical parameters include 0.5 V/µs slew rate, 1.1 MHz unity-gain bandwidth, and 120 µA supply current - making it suitable for low-voltage portable instrumentation where power efficiency is critical.
What is the thermal performance of the TLC27M4CD in SOIC-14 package?
In the SOIC-14 (D) package, the TLC27M4CD has a thermal resistance θJA of 127°C/W (typical). At 120 µA supply current and 5 V supply, power dissipation is ~0.6 mW per amplifier (2.4 mW total), resulting in negligible junction temperature rise (<1°C) in still air - confirming suitability for compact, fanless industrial enclosures.
Is the TLC27M4CD pin-compatible with other TLC27Mxx variants?
Yes, all TLC27Mxx quad op-amps - including TLC27M4CD, TLC27M4ACD, TLC27M4BCD, and TLC27M9CD - share identical SOIC-14 (D) pinout and footprint. This allows direct substitution within the same temperature grade (C-suffix) without PCB changes, provided system-level electrical requirements (e.g., offset, noise, bandwidth) are verified.
TLC27M4CD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 0.62V/µs
- Gain Bandwidth Product:
- 525 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.7 pA
- Voltage - Input Offset:
- 1.1 mV
- Current - Supply:
- 570µA (x4 Channels)
- Current - Output / Channel:
- 30 mA
- Voltage - Supply Span (Min):
- 3 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
TLC27M4CD FAQ
1.How can I place an order for TLC27M4CD through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC27M4CD 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 TLC27M4CD reliable?
The price and inventory of TLC27M4CD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC27M4CD is usually 5 days.
3.What payment methods are accepted for TLC27M4CD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC27M4CD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC27M4CD?
TLC27M4CD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC27M4CD 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 TLC27M4CD?
For technical support, including TLC27M4CD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC27M4CD requirements.
6.How does Aetrix verify that TLC27M4CD is sourced from the original manufacturer or authorized distributors?
All TLC27M4CD 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 TLC27M4CD meets industry standards.
7.What is the process for return or replacement of TLC27M4CD?
All TLC27M4CD units undergo pre-shipment inspection (PSI). If there is an issue with TLC27M4CD, 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 TLC27M4CD part is unused and in its original packaging.
Return procedure for TLC27M4CD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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