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Texas Instruments TLV2770IDR
- Part No.:
- TLV2770IDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2770IDR.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,941
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Product details
Overview
TLV2770IDR from Texas Instruments is a single-channel CMOS rail-to-rail output operational amplifier optimized for precision, low-power, and high-speed signal conditioning in single-supply systems. It delivers 10.5 V/µs slew rate, 5.1 MHz gain-bandwidth product, 360 µV input offset voltage, 2 pA input bias current, and operates from 2.5 V to 5.5 V - enabling accurate analog front-end design in automotive sensor interfaces and portable data acquisition.
For engineers reviewing the TLV2770IDR datasheet, TLV2770IDR pinout, TLV2770IDR application, or TLV2770IDR equivalent, key selection criteria include its −40°C to 125°C temperature rating, micropower shutdown mode (<1 µA), rail-to-rail output swing into 600-Ω loads, and verified THD+N of 0.005% at 1 kHz - critical for high-fidelity signal chain integrity in constrained power environments.
Technical Context
The TLV2770IDR employs a CMOS input stage with differential pair architecture delivering ultra-low input bias current (2 pA) and high input impedance (>10¹² Ω), supporting high-impedance sensor interfacing without loading error. Its rail-to-rail output stage uses complementary PMOS/NMOS transistors to achieve full-swing capability across the entire supply range.
It integrates a dedicated shutdown control terminal enabling fast enable/disable transitions (t(ON)/t(OFF) = 1.2 µs / 335 ns), while maintaining stable phase margin (46°) and gain margin (12 dB) under 600-Ω load and 100-pF capacitive conditions - ensuring robust stability in ADC driver and filter applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Slew Rate | 10.5 V/µs typ - enables faithful reproduction of fast-changing signals up to ~1.7 MHz at unity gain without slewing distortion. |
| Gain-Bandwidth Product | 5.1 MHz typ - supports stable closed-loop gain ≥10 up to ~500 kHz with adequate phase margin. |
| Input Offset Voltage | 360 µV max at 25°C - ensures ≤0.036% initial DC error in 1-V full-scale measurement systems. |
| Supply Current per Channel | 1 mA typ at 2.7 V - allows battery-powered operation for >1000 hours on a 1-Ah cell in always-on sensing nodes. |
| Shutdown Current | <1 µA typ - reduces quiescent power to <2.5 nW at 2.5 V, enabling duty-cycled operation in energy-harvesting systems. |
| Input Bias Current | 2 pA typ - minimizes voltage error across high-value source impedances (e.g., ≤100 MΩ thermistor networks). |
| THD+N | 0.005% at 1 kHz, RL = 600 Ω - meets audio-grade linearity requirements for telecom codec interfaces and precision DAC buffers. |
Pinout & Package
TLV2770IDR is supplied in an 8-pin SOIC (D) package with standard JEDEC MS-012AC footprint (5.3 mm × 6.2 mm, 1.75 mm height). Pin 1 is marked by a beveled edge or molded dot.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NC | No internal connection - left unconnected; no routing or grounding required. |
| 2 | IN− | Inverting input - accepts feedback network or differential signal path; high-impedance CMOS node. |
| 3 | IN+ | Non-inverting input - connects to sensor, reference, or signal source; immune to 2-pA bias-induced errors. |
| 4 | GND | Analog ground reference - must be low-impedance, star-connected to minimize noise coupling. |
| 5 | SHDN | Active-low shutdown control - driven low to enter sub-1-µA quiescent state; pulled high via ≥10-kΩ resistor for normal operation. |
| 6 | VDD | Positive supply rail - accepts 2.5 V to 5.5 V; requires local 0.1-µF ceramic decoupling adjacent to pin. |
| 7 | OUT | Amplifier output - drives rail-to-rail into ≥600-Ω loads; capable of ±50-mA short-circuit current. |
| 8 | NC | No internal connection - electrically isolated; may be used as thermal pad anchor if soldered to copper pour. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Drives within 100 mV of VDD and GND at 2.2-mA load - eliminates need for level-shifting in 3.3-V ADC reference buffers. |
| Micropower shutdown mode | Reduces IDD to <1 µA while preserving input/output isolation - enables rapid wake-up (<2 µs) in event-triggered monitoring systems. |
| Low THD+N into 600 Ω | 0.005% at 1 kHz - satisfies EN 300 086 Class 2 linearity for analog voice channel conditioning in automotive telematics. |
| Extended temperature range | Specified from −40°C to +125°C - qualified for engine bay and transmission control module placement without derating. |
| High CMRR and PSRR | 84 dB CMRR and 89 dB PSRR at 25°C - rejects common-mode noise from shared PCB grounds and supply ripple in mixed-signal automotive ECUs. |
Applications
| Automotive Sensor Signal Conditioning | Portable Medical Instrumentation |
|---|---|
Use Scenario: Amplifying low-level outputs from exhaust gas oxygen (EGO) sensors and crankshaft position Hall-effect sensors in engine control units. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with rail-to-rail output driving 12-bit SAR ADC inputs directly. Use Value: 360-µV VIO and 2-pA IIB prevent calibration drift over lifetime; shutdown mode cuts ECU standby current during ignition-off periods. | Use Scenario: Buffering ECG electrode signals and amplifying photoplethysmography (PPG) outputs in wearable patient monitors. IC Role / Device Role / Timing Role: Low-noise, low-power instrumentation amplifier front-end with 17 nV/√Hz input noise and 1-mA quiescent current. Use Value: Enables >90-dB SNR in 0.5–40-Hz biopotential band; rail-to-rail swing maximizes dynamic range of 3.3-V ADCs without external biasing. |
| Industrial Process Transmitter | Telecom Line Interface Circuit |
Use Scenario: Converting 4–20-mA loop current to voltage and filtering sensor outputs in smart pressure/temperature transmitters. IC Role / Device Role / Timing Role: High-impedance current-to-voltage converter and anti-aliasing filter driver operating from 3.3-V supply. Use Value: 10¹²-Ω input resistance avoids loop loading; 5.1-MHz GBW supports 20-kHz filter cutoffs with minimal phase lag. | Use Scenario: Driving analog line interface circuits (LIC) in VoIP gateways and base station auxiliary ports. IC Role / Device Role / Timing Role: Low-distortion line driver with 0.005% THD+N into 600-Ω termination, compliant with ITU-T G.711 PCM standards. Use Value: Eliminates external output coupling capacitors due to rail-to-rail swing; 10.5-V/µs slew rate supports 100-kHz voiceband fidelity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision rail-to-rail op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA333AIDR | Zero-drift architecture; 0.1 µV/°C offset drift vs. TLV2770IDR's 2 µV/°C; higher 350-nA supply current. | Better long-term DC stability in temperature-varying industrial calibrators; less suitable for battery-constrained designs. | Select OPA333AIDR when microvolt-level drift over −40°C to 125°C is mandatory; retain TLV2770IDR for lower power and faster settling. |
| LMV721IDBVR | Lower 1.5-V/µs slew rate and 1.2-MHz GBW; 750-µA supply current; no shutdown pin. | Cost-optimized general-purpose use in non-critical sensor buffers where speed and ultra-low power are secondary. | Choose LMV721IDBVR only for cost-sensitive, non-automotive applications lacking shutdown requirement and bandwidth demand. |
Compared with OPA333AIDR and LMV721IDBVR, TLV2770IDR uniquely balances 10.5-V/µs slew rate, 1-mA supply current, integrated shutdown, and −40°C to 125°C qualification - making it the optimal choice for automotive and industrial systems requiring both speed and energy efficiency without zero-drift complexity or cost premium.
Availability
TLV2770IDR is available at Aetrix Electronics and suitable for automotive sensor interfaces, portable medical devices, industrial process transmitters, and telecom line drivers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLV2770IDR 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, embedded processing, and digital signal technologies, with decades of automotive and industrial qualification expertise.
The TLV277x family was designed specifically for high-precision, low-voltage, rail-to-rail signal conditioning in automotive and industrial systems - emphasizing speed, power efficiency, and extended temperature reliability without sacrificing DC accuracy.
FAQ
What is the operating temperature range for TLV2770IDR?
The TLV2770IDR is rated for continuous operation from −40°C to +125°C, meeting AEC-Q100 Grade 1 requirements for automotive under-hood applications. This range is fully characterized per the datasheet SLOS209G, including parameters like input offset voltage, CMRR, and supply current across the full span.
Does TLV2770IDR support true rail-to-rail input?
No, TLV2770IDR features rail-to-rail *output* only. Its common-mode input voltage range extends from GND to VDD − 1.3 V (at VDD = 2.7 V), meaning the input cannot accept signals within 1.3 V of VDD. For rail-to-rail input capability, consider TI's TLV246x or OPA350 families instead.
What is the typical shutdown propagation delay for TLV2770IDR?
The TLV2770IDR exhibits a typical turnoff time t(OFF) of 335 ns and turnon time t(ON) of 1.2 µs, measured from SHDN transition to 50% output recovery. These values are specified at AV = 5, RL = open, and VDD = 5 V per the datasheet's operating characteristics table on page 9.
Can TLV2770IDR drive a 100-pF capacitive load stably?
Yes - the TLV2770IDR maintains 46° phase margin and 12 dB gain margin when driving a 600-Ω load with 100-pF capacitance, as verified in the datasheet's operating characteristics (page 9). For heavier capacitive loads (>200 pF), external series resistance (≥10 Ω) at the output is recommended to ensure stability.
Is TLV2770IDR pin-compatible with other devices in the TLV277x family?
No - TLV2770IDR (single-channel, 8-pin SOIC with shutdown) is not pin-compatible with TLV2771 (5-pin SOT-23), TLV2772 (dual-channel, 8-pin SOIC without shutdown), or TLV2774 (quad-channel). Pin count, function mapping (e.g., SHDN presence), and channel count differ; PCB layout must be specific to TLV2770IDR.
TLV2770IDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 10.5V/µs
- Gain Bandwidth Product:
- 5.1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 2 pA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 1mA
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLV2770IDR FAQ
1.How can I place an order for TLV2770IDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2770IDR 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 TLV2770IDR reliable?
The price and inventory of TLV2770IDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2770IDR is usually 5 days.
3.What payment methods are accepted for TLV2770IDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2770IDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2770IDR?
TLV2770IDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2770IDR 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 TLV2770IDR?
For technical support, including TLV2770IDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2770IDR requirements.
6.How does Aetrix verify that TLV2770IDR is sourced from the original manufacturer or authorized distributors?
All TLV2770IDR 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 TLV2770IDR meets industry standards.
7.What is the process for return or replacement of TLV2770IDR?
All TLV2770IDR units undergo pre-shipment inspection (PSI). If there is an issue with TLV2770IDR, 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 TLV2770IDR part is unused and in its original packaging.
Return procedure for TLV2770IDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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