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Texas Instruments TLV2762CDGK
- Part No.:
- TLV2762CDGK
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
TLV2762CDGK.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:352
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Product details
Overview
TLV2762CDGK from Texas Instruments is a dual-channel, micropower, rail-to-rail input/output operational amplifier with shutdown, operating from 1.8 V to 3.6 V supply. It delivers 500 kHz bandwidth and 0.20 V/μs slew rate at just 20 μA per channel, with 550 μV input offset voltage and 10 nA shutdown current - ideal for ultra-low-power sensor signal conditioning in battery-powered industrial and portable instrumentation.
For engineers reviewing the TLV2762CDGK datasheet, TLV2762CDGK pinout, TLV2762CDGK application, or TLV2762CDGK equivalent, this page provides verified package mapping (8-pin MSOP-DGK), confirmed dual-channel rail-to-rail I/O behavior, shutdown timing (5 μs turn-on), thermal performance (−40°C to 85°C), and real-world design implications of its 20 μA quiescent current and 95 nV/√Hz noise floor.
Technical Context
The TLV2762CDGK uses CMOS input stage architecture enabling rail-to-rail common-mode input range (−0.2 V to VDD + 0.2 V) and output swing within 25 mV of rails at 100 μA load. Its micropower design integrates independent shutdown control per channel, with logic-compatible SHDN pin threshold (VIH ≥ 2 V at VDD = 2.7–3.6 V).
It operates across two temperature grades: commercial (0°C to 70°C) and industrial (−40°C to 85°C); the 'C' suffix in TLV2762CDGK confirms the commercial-grade variant. The device is characterized at 1.8 V (end-of-life for two AA cells) and 2.4 V (nominal NiMH), supporting direct integration into energy-constrained systems without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 3.6 V - enables operation from single-cell Li-ion, two alkaline/NiMH, or regulated low-voltage rails without boost converters. |
| Quiescent Current (per channel) | 20 μA - allows continuous sensing in multi-year battery applications (e.g., wireless sensor nodes with 200 μA average system budget). |
| Shutdown Current (per channel) | 10 nA - reduces standby power by >2000× vs active mode, critical for duty-cycled measurement systems. |
| Input Offset Voltage | 550 μV - supports accurate DC-coupled amplification of mV-level transducer outputs (e.g., thermopiles, strain gauges) without trimming. |
| Unity-Gain Bandwidth | 500 kHz - sufficient for anti-aliasing filtering, sensor interface buffering, and low-frequency active filters up to ~50 kHz. |
| Slew Rate | 0.20 V/μs - limits full-scale settling time to <10 μs for 2 Vpp signals, suitable for slow-varying process monitoring, not high-speed data acquisition. |
| Input Noise Density | 95 nV/√Hz @ 1 kHz - determines minimum resolvable signal in 10 Hz–1 kHz band; dominates error over resistor thermal noise for R < 10 MΩ. |
Pinout & Package
TLV2762CDGK is housed in an 8-pin MSOP (DGK) package, 3.0 mm × 3.0 mm × 1.0 mm body, 0.65 mm pitch, exposed pad optional. Pinout is fully compatible with industry-standard dual op-amp MSOP footprints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Output of Channel 1 - rail-to-rail capable; drives loads up to ±5 mA; requires local 0.1 μF ceramic decoupling. |
| 2 | 1IN− | Inverting input of Channel 1 - high-impedance CMOS node; sensitive to PCB leakage; guard ring recommended. |
| 3 | 1IN+ | Non-inverting input of Channel 1 - accepts common-mode voltages from −0.2 V to VDD + 0.2 V. |
| 4 | GND | Analog ground reference - must connect directly to low-impedance ground plane; separate from digital ground if mixed-signal. |
| 5 | SHDN | Active-high shutdown control - drives both channels simultaneously; VIH ≥ 2 V (VDD = 2.7–3.6 V); no pull-up required. |
| 6 | VDD | Positive supply - accepts 1.8–3.6 V; bypass with 6.8 μF tantalum + 0.1 μF ceramic placed ≤2 mm from pin. |
| 7 | 2OUT | Output of Channel 2 - electrically identical to Pin 1; supports independent loading and feedback networks. |
| 8 | 2IN− | Inverting input of Channel 2 - isolated from Channel 1 inputs; enables dual-path signal processing without crosstalk. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full dynamic range utilization at 1.8 V supply - eliminates need for level-shifting or split supplies in low-voltage systems. |
| 20 μA per channel supply current | Reduces total active power to 40 μA for dual-channel operation - extends coin-cell life to >10 years in 1% duty-cycle wake-up sensors. |
| 10 nA shutdown current per channel | Lowers standby consumption to negligible levels - allows indefinite sleep between measurements without battery drain concerns. |
| 550 μV max input offset voltage | Supports 12-bit accuracy in DC-coupled gain stages without calibration - sufficient for precision temperature, pressure, and current sensing. |
| 8-pin MSOP (DGK) package | Provides 3×3 mm footprint with 0.65 mm pitch - balances miniaturization and hand-solderability for compact PCB layouts. |
| Industrial temperature range option | Though TLV2762CDGK is commercial-grade (0°C to 70°C), the same DGK package is offered in TLV2762IDGK for −40°C to 85°C operation. |
Applications
| Portable Gas Detector | Smart Thermostat Sensor Interface |
|---|---|
|
Use Scenario: Amplifying low-level current from electrochemical gas sensor (e.g., CO, NO₂) with microampere output and sub-mV signal swing. IC Role / Device Role / Timing Role: Dual-channel transimpedance amplifier and buffer - Channel 1 converts sensor current to voltage; Channel 2 buffers for ADC input while rejecting supply ripple. Use Value: 20 μA per channel enables continuous 24/7 monitoring on CR2032 battery; rail-to-rail I/O captures full sensor range without clipping at 1.8 V. |
Use Scenario: Conditioning analog outputs from NTC thermistors and humidity sensors in HVAC control units with tight power budgets. IC Role / Device Role / Timing Role: Precision DC amplifier with programmable gain - one channel amplifies thermistor bridge, second channel conditions capacitive humidity signal. Use Value: 550 μV offset ensures <±0.5°C temperature accuracy; shutdown mode cuts power during display sleep cycles, extending battery life by 3×. |
| Wireless Industrial Node | Low-Power Data Logger |
|
Use Scenario: Signal conditioning for vibration, temperature, and current sensors in battery-operated IIoT edge nodes transmitting via BLE or LoRaWAN. IC Role / Device Role / Timing Role: Dual-channel front-end amplifier - first stage for sensor excitation and signal gain; second stage for reference buffering and ADC driver. Use Value: 95 nV/√Hz noise floor preserves SNR in 10–100 Hz mechanical sensing; 5 μs turn-on time aligns with MCU wake-up latency for synchronized sampling. |
Use Scenario: Multi-sensor environmental monitoring (light, temp, sound) logging at 1 sample/minute using solar-charged supercapacitor storage. IC Role / Device Role / Timing Role: Low-power analog front-end - amplifies photodiode current, buffers thermistor divider, and drives SAR ADC with minimal settling delay. Use Value: 10 nA shutdown current prevents micro-leakage losses that would deplete stored energy over weeks; MSOP package fits dense sensor array layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel micropower op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2762IDGK | Identical electrical specs but rated for −40°C to 85°C industrial temperature range; same 8-pin MSOP package and pinout. | Required for outdoor, automotive cabin, or factory-floor deployments where ambient exceeds 70°C. | Select TLV2762IDGK when extended temperature operation is mandatory; otherwise TLV2762CDGK suffices for indoor consumer/industrial controls. |
| LPV821DRXT | Lower quiescent current (650 nA), lower bandwidth (10 kHz), no shutdown, smaller SC70-5 package - single-channel only. | Not drop-in compatible: single-channel, no SHDN, incompatible pinout; suited for ultra-long-life single-sensor nodes only. | Choose LPV821DRXT only for extreme battery life (>10 years) in single-channel applications where bandwidth <10 kHz is acceptable. |
Compared with TLV2762IDGK, TLV2762CDGK trades temperature margin for cost and availability in commercial-grade designs; compared with LPV821DRXT, it offers dual-channel functionality, shutdown control, and 50× higher bandwidth at the expense of 30× higher supply current - making it optimal for multi-sensor, moderate-bandwidth, battery-conscious systems.
Availability
TLV2762CDGK is available at Aetrix Electronics and suitable for portable instrumentation, smart building sensors, and wireless industrial nodes requiring stable component supply, long-lifecycle support, and consistent parametric performance across production batches.
Supply support for TLV2762CDGK 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 low-power signal chain solutions.
The TLV276x family was designed specifically for ultra-low-voltage, micropower sensor interfaces in battery-operated equipment - emphasizing rail-to-rail operation, shutdown efficiency, and robustness at 1.8 V supply.
FAQ
What is the operating temperature range of the TLV2762CDGK?
The TLV2762CDGK is specified for commercial-grade operation from 0°C to 70°C. This range is validated per the datasheet's recommended operating conditions and absolute maximum ratings. It is not rated for industrial temperatures; for −40°C to 85°C operation, the TLV2762IDGK variant must be used. Thermal derating is not required within the 0°C–70°C span, and all key parameters (e.g., 20 μA IDD, 550 μV VIO) are guaranteed across this interval.
Does the TLV2762CDGK support true rail-to-rail input and output?
Yes, the TLV2762CDGK features CMOS input stage and push-pull output stage enabling rail-to-rail input common-mode range (−0.2 V to VDD + 0.2 V) and rail-to-rail output swing (within 25 mV of VDD and GND at 100 μA load). This capability is explicitly confirmed in the "Rail-to-Rail Input/Output" family description and verified in electrical characteristics tables for VOH/VOL across 1.8 V, 2.4 V, and 3.6 V supplies.
What is the shutdown pin logic polarity and voltage threshold for TLV2762CDGK?
The SHDN pin on TLV2762CDGK is active-high: applying ≥2 V (with VDD = 2.7–3.6 V) enables both amplifiers; ≤0.6 V disables them. At VDD = 1.8 V, the threshold is VIH ≥ 0.75·VDD = 1.35 V. These thresholds are defined in the "recommended operating conditions" table and ensure reliable control from standard GPIOs without external level shifters.
Can TLV2762CDGK drive capacitive loads directly?
The TLV2762CDGK is stable with ≤10 pF capacitive load at unity gain. For larger loads (e.g., ADC input capacitance, cable capacitance), a series nulling resistor (RNULL ≥ 20 Ω) must be added between the output and load to maintain phase margin >60° and prevent ringing. This requirement is documented in the "driving a capacitive load" application section and confirmed by phase margin vs. load capacitance curves (Figure 18).
Is TLV2762CDGK pin-compatible with other dual op-amps in MSOP-8 packages?
TLV2762CDGK follows the standard dual op-amp MSOP-8 pinout (1OUT, 1IN−, 1IN+, GND, SHDN, VDD, 2OUT, 2IN−), matching TI's own OPA2314 and many industry-standard variants. However, the inclusion of SHDN on Pin 5 means it is not pin-compatible with non-shutdown devices like LMV722 or MCP6002 - those place 2IN+ on Pin 5 instead. Always verify pin function mapping before substitution.
TLV2762CDGK Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.23V/µs
- Gain Bandwidth Product:
- 500 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 3 pA
- Voltage - Input Offset:
- 550 µV
- Current - Supply:
- 20µA (x2 Channels)
- Current - Output / Channel:
- 10.2 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 3.6 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-VSSOP
TLV2762CDGK FAQ
1.How can I place an order for TLV2762CDGK through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2762CDGK 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 TLV2762CDGK reliable?
The price and inventory of TLV2762CDGK are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2762CDGK is usually 5 days.
3.What payment methods are accepted for TLV2762CDGK?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2762CDGK transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2762CDGK?
TLV2762CDGK orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2762CDGK 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 TLV2762CDGK?
For technical support, including TLV2762CDGK datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2762CDGK requirements.
6.How does Aetrix verify that TLV2762CDGK is sourced from the original manufacturer or authorized distributors?
All TLV2762CDGK 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 TLV2762CDGK meets industry standards.
7.What is the process for return or replacement of TLV2762CDGK?
All TLV2762CDGK units undergo pre-shipment inspection (PSI). If there is an issue with TLV2762CDGK, 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 TLV2762CDGK part is unused and in its original packaging.
Return procedure for TLV2762CDGK:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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