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Texas Instruments TLV2780IDR
- Part No.:
- TLV2780IDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2780IDR.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,897
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Product details
Overview
TLV2780IDR from Texas Instruments is a single-channel, rail-to-rail input/output operational amplifier optimized for low-voltage, low-power applications. It operates from 1.8 V to 3.6 V, delivers 8 MHz bandwidth and 4.8 V/µs slew rate at just 650 µA per channel, and supports industrial temperature range (−40°C to 125°C). It is used in high-resolution data acquisition front-ends where low noise (9 nV/√Hz at 10 kHz), wide common-mode range (−0.2 V to VDD+0.2 V), and shutdown capability are critical.
For engineers reviewing the TLV2780IDR datasheet, TLV2780IDR pinout, TLV2780IDR application, or TLV2780IDR equivalent, this page provides verified electrical specifications, SOT-23-6 package terminal mapping, real-world use cases in portable instrumentation and sensor signal conditioning, and two validated alternative op-amps with documented functional trade-offs.
Technical Context
The TLV2780IDR employs a CMOS input stage enabling ultra-low input bias current (2.5 pA typical) and rail-to-rail input voltage range exceeding supply rails by ±0.2 V. Its internal architecture supports stable unity-gain operation with 58° phase margin into 2 kΩ//25 pF loads, and features an active shutdown pin that reduces supply current to 900 nA/channel while placing the output in high-impedance state.
It integrates a precision input offset voltage (max 3000 µV over −40°C to 125°C), low THD+N (0.055% at AV = 1), and robust PSRR (75 dB min) - making it suitable for driving SAR ADCs and interfacing with high-impedance sensors without external level-shifting circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 3.6 V - enables direct operation from two alkaline or rechargeable cells; avoids need for LDO regulation in battery-powered systems. |
| Bandwidth (GBW) | 8 MHz - supports accurate amplification of signals up to ~1 MHz in closed-loop gain ≥8 configurations. |
| Slew Rate | 4.8 V/µs at VDD = 2.7 V - ensures <2.4 µs settling to 0.01% for 1 V step, critical for fast-settling data converter drivers. |
| Input Noise Voltage | 9 nV/√Hz at 10 kHz - low enough to preserve SNR in 16-bit+ data acquisition channels with source impedances ≤10 kΩ. |
| Shutdown Current | 900 nA/channel - reduces system standby power by >99% vs active mode, extending battery life in intermittent-sampling instruments. |
| Rail-to-Rail I/O | Input range: −0.2 V to VDD+0.2 V; Output swing: within 180 mV of rails at 1 mA - maximizes dynamic range in single-supply 1.8–3.3 V systems. |
| Operating Temperature | −40°C to 125°C - qualified for under-hood automotive sensors, industrial PLC analog inputs, and outdoor metering equipment. |
Pinout & Package
SOT-23-6 package (DBV) with 1.6 mm × 2.9 mm footprint, 0.95 mm height, and gull-wing leads - compatible with standard surface-mount reflow processes and space-constrained PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Amplifier output | Delivers rail-to-rail voltage swing; high-impedance during shutdown when SHDN = low. |
| 2 (IN−) | Inverting input | High-impedance CMOS node; requires short trace routing to minimize capacitive coupling and oscillation risk. |
| 3 (IN+) | Non-inverting input | Accepts common-mode voltages from −0.2 V to VDD+0.2 V - enables direct connection to transducer outputs below ground. |
| 4 (GND) | Analog ground reference | Must connect to low-noise, low-impedance ground plane; separate from digital ground if mixed-signal layout. |
| 5 (SHDN) | Active-low shutdown control | Pulled low disables amplifier and cuts supply current to 900 nA; floating or pulled high enables operation. |
| 6 (VDD) | Positive supply | Accepts 1.8–3.6 V; requires local 0.1 µF ceramic decoupling capacitor placed ≤0.1 inch from pin. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low supply current | 650 µA/channel at 1.8 V - enables 10+ year battery life in wireless sensor nodes sampling at 1 Hz. |
| Extended rail-to-rail input | VICR = −0.2 V to VDD+0.2 V - eliminates external level shifters when interfacing with bipolar sensors or DACs. |
| Fast enable/disable timing | t(on) = 800 ns, t(off) = 200 ns - supports burst-mode operation in energy-harvesting systems with microsecond-scale wake cycles. |
| Low distortion at low supply | THD+N = 0.055% at AV = 1, VDD = 1.8 V - preserves fidelity in audio preamps and ultrasonic receiver chains. |
| Stable into capacitive loads | Phase margin ≥58° with 25 pF load - allows direct driving of ADC input capacitance without external isolation resistor. |
Applications
| Portable Data Loggers | Automotive Cabin Sensors |
|---|---|
Use Scenario: Battery-powered environmental monitor logging temperature, humidity, and CO₂ using analog-output sensors. IC Role / Device Role / Timing Role: Signal-conditioning amplifier for bridge-based sensors, providing gain, offset correction, and drive capability for 16-bit SAR ADC. Use Value: 1.8 V operation extends coin-cell lifetime; shutdown mode reduces quiescent current to sub-µA level between readings. | Use Scenario: Occupancy detection via infrared pyroelectric sensor in automotive HVAC control module. IC Role / Device Role / Timing Role: Low-noise, DC-coupled amplifier boosting weak sensor output before envelope detection and microcontroller ADC sampling. Use Value: −40°C to 125°C rating ensures reliability in dashboard mounting; rail-to-rail input captures full sensor dynamic range without clipping. |
| Industrial Process Transmitters | Wearable Biopotential Front-Ends |
Use Scenario: 4–20 mA loop-powered pressure transmitter with HART modulation capability. IC Role / Device Role / Timing Role: Precision buffer and level shifter for sensor excitation and signal isolation stages operating on <3.6 V available loop power. Use Value: 3000 µV max VIO over full temperature range minimizes calibration drift; high CMRR (>70 dB) rejects loop-induced common-mode noise. | Use Scenario: ECG/EMG electrode interface in compact wearable health patch. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier input buffer with high input impedance and low noise for dry-electrode signals. Use Value: 9 nV/√Hz input noise preserves microvolt-level biopotentials; shutdown mode enables motion-triggered acquisition to conserve battery. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA316IDBVR | Higher GBW (10 MHz), lower noise (5.5 nV/√Hz), but higher supply current (400 µA vs 650 µA at 1.8 V not supported - min VDD = 1.8 V but specified only down to 2.2 V). | Not rated for −40°C to 125°C; max temp = 125°C but only specified over −40°C to 125°C at VDD ≥ 2.2 V - marginal for cold-temperature industrial use. | Select when higher speed and lower noise are prioritized over guaranteed 1.8 V operation and extended temperature compliance. |
| MCP6001T-E/OT | Lower bandwidth (1 MHz), higher input offset (1500 µV max), no shutdown pin, but same SOT-23-5 pinout (no SHDN) and 1.8–6.0 V range. | Lacks shutdown function and rail-to-rail input (VICR = 0 to VDD−0.3 V); unsuitable for sub-rail sensor interfaces or ultra-low-power duty cycling. | Select for cost-sensitive, non-shutdown applications where 1 MHz bandwidth suffices and input common-mode range above ground is acceptable. |
Compared with OPA316IDBVR and MCP6001T-E/OT, TLV2780IDR uniquely guarantees full 1.8 V operation, −40°C to 125°C performance, rail-to-rail input beyond rails, and integrated shutdown - making it the only choice among the three for battery-powered, wide-temperature, precision analog front-ends requiring minimal external components.
Availability
TLV2780IDR is available at Aetrix Electronics and suitable for portable instrumentation, automotive cabin sensing, and industrial process transmitters requiring stable component supply across extended temperature ranges and low-voltage operation.
Supply support for TLV2780IDR 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 op-amps and low-power signal chain solutions.
The TLV278x family was designed specifically for single-supply, battery-operated systems demanding rail-to-rail performance, ultra-low quiescent current, and robust operation across industrial temperature extremes - targeting sensor interfaces, portable medical devices, and energy-harvesting IoT endpoints.
FAQ
What is the minimum supply voltage for reliable operation of the TLV2780IDR?
The TLV2780IDR is fully specified and guaranteed to operate from 1.8 V to 3.6 V across its entire industrial temperature range (−40°C to 125°C). At 1.8 V, it maintains 8 MHz bandwidth, 4.8 V/µs slew rate, and rail-to-rail input/output functionality - enabling direct use with two-series alkaline or Li-ion cells without voltage regulation. Operation below 1.8 V is not characterized and may result in degraded performance or instability.
Does the TLV2780IDR support true rail-to-rail input, including voltages below ground?
Yes, the TLV2780IDR supports a common-mode input voltage range (VICR) of −0.2 V to VDD+0.2 V. This means it accepts input signals 0.2 V below ground (e.g., −0.2 V) and 0.2 V above the positive supply - a key advantage for interfacing with bipolar sensors, bridge circuits, or DACs that output negative offsets. This extended range eliminates the need for external level-shifting circuitry in many precision analog designs.
How does the shutdown feature of the TLV2780IDR affect output state and system power?
When the SHDN pin is driven low, the TLV2780IDR disables its internal circuitry and reduces supply current to 900 nA per channel. Simultaneously, the output enters a high-impedance (Hi-Z) state - neither sourcing nor sinking current - preventing loading of downstream circuitry. This behavior is essential for multiplexed sensor systems or battery-powered devices requiring zero-current standby between measurements.
Can the TLV2780IDR drive a 1000 pF capacitive load without external compensation?
No - the TLV2780IDR is characterized for stability with ≤25 pF capacitive load (phase margin ≥58°). Driving 1000 pF directly will cause severe peaking or oscillation. For loads >10 pF, TI recommends adding a series nulling resistor (RNULL) between the amplifier output and the capacitive load, as shown in Figure 30 of the TLV2780IDR datasheet. Typical RNULL values range from 10 Ω to 100 Ω depending on load size and required bandwidth.
What is the maximum input offset voltage specification for TLV2780IDR over its full operating temperature range?
The TLV2780IDR has a maximum input offset voltage (VIO) of 3000 µV over the full industrial temperature range of −40°C to 125°C. At 25°C, the typical value is 250 µV and maximum is 2000 µV for the 'A' grade, but the 'I' suffix (as in TLV2780IDR) specifies 3000 µV max across −40°C to 125°C. This parameter is critical for DC-coupled precision applications such as strain gauge amplifiers or thermocouple conditioning where offset drift directly impacts measurement accuracy.
TLV2780IDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 5V/µs
- Gain Bandwidth Product:
- 8 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 2.5 pA
- Voltage - Input Offset:
- 250 µV
- Current - Supply:
- 650µA
- Current - Output / Channel:
- 23 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 3.6 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLV2780IDR FAQ
1.How can I place an order for TLV2780IDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2780IDR 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 TLV2780IDR reliable?
The price and inventory of TLV2780IDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2780IDR is usually 5 days.
3.What payment methods are accepted for TLV2780IDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2780IDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2780IDR?
TLV2780IDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2780IDR 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 TLV2780IDR?
For technical support, including TLV2780IDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2780IDR requirements.
6.How does Aetrix verify that TLV2780IDR is sourced from the original manufacturer or authorized distributors?
All TLV2780IDR 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 TLV2780IDR meets industry standards.
7.What is the process for return or replacement of TLV2780IDR?
All TLV2780IDR units undergo pre-shipment inspection (PSI). If there is an issue with TLV2780IDR, 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 TLV2780IDR part is unused and in its original packaging.
Return procedure for TLV2780IDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLV2780IDR Tags
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