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Texas Instruments TLV9051SIDBVR
- Part No.:
- TLV9051SIDBVR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-6
- Datasheet:
-
TLV9051SIDBVR.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:61,430
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Product details
Overview
TLV9051SIDBVR from Texas Instruments is a single-channel, rail-to-rail input/output CMOS operational amplifier optimized for low-voltage, high-slew-rate applications. It delivers 15 V/µs slew rate, 5 MHz unity-gain bandwidth, ±0.33 mV input offset voltage, 330 µA quiescent current, and operates from 1.8 V to 6.0 V supply. It is used in photodiode amplification, low-side current sensing, and sensor signal conditioning where precision, speed, and power efficiency are critical.
For engineers reviewing the TLV9051SIDBVR datasheet, TLV9051SIDBVR pinout, TLV9051SIDBVR application, or TLV9051SIDBVR equivalent, key selection criteria include its 15 V/µs slew rate under 100 pF load, rail-to-rail operation at 1.8 V, shutdown mode with <1 µA IQSD, ±2 pA input bias current, and guaranteed stability with up to 150 pF capacitive load.
Technical Context
The TLV9051SIDBVR employs a CMOS input stage enabling ultra-low input bias current (±2 pA typical) and rail-to-rail input common-mode range extending 0.1 V beyond both rails. Its high-speed architecture achieves 5 MHz gain-bandwidth product and 60° phase margin at unity gain, ensuring robust stability without external compensation.
It integrates internal RFI/EMI filtering and eliminates phase reversal during overdrive. The shutdown function (SHDN pin) enables fast enable/disable timing (tON = 35 µs full, tOFF = 6 µs), reducing system power in intermittent-sensing applications while maintaining low output impedance (<2 GΩ || 2 pF) in disabled state.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 6.0 V - supports direct interface with Li-ion, 3.3 V, and 5 V logic domains without level shifting. |
| Unity-Gain Bandwidth | 5 MHz - enables stable closed-loop operation up to 5 MHz at gain = +1, suitable for active filters and fast-settling buffers. |
| Slew Rate | 15 V/µs - ensures ≤1 µs 0.01% settling for 2-V step with 100 pF load, critical for pulse amplification and ADC driving. |
| Input Offset Voltage | ±0.33 mV (typ) - minimizes DC error in precision current sensing and bridge amplifier configurations. |
| Quiescent Current | 330 µA per amplifier - allows battery-powered designs to achieve >1-year runtime in duty-cycled sensor nodes. |
| Input Bias Current | ±2 pA (typ) - preserves signal integrity in high-impedance photodiode and piezoelectric sensor interfaces. |
| Capacitive Load Drive | 150 pF - simplifies PCB layout by eliminating need for isolation resistors when driving ADC inputs or long traces. |
Pinout & Package
TLV9051SIDBVR is housed in a 6-pin SOT-23 (DBV) package measuring 2.9 mm × 2.8 mm, with exposed pad not present. Pin 1 is OUT; Pin 2 is V–; Pin 3 is IN+; Pin 4 is IN–; Pin 5 is SHDN; Pin 6 is V+.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT (Pin 1) | Amplifier output | Delivers rail-to-rail swing; capable of sourcing/sinking ±50 mA short-circuit current; open-loop output impedance is 250 Ω at 5 MHz. |
| V– (Pin 2) | Negative supply / ground reference | Serves as return path for all internal bias currents; must be connected to lowest system potential; thermal pad (if present) connects here. |
| IN+ (Pin 3) | Noninverting input | Accepts common-mode voltages from (V–) – 0.1 V to (V+) + 0.1 V; differential input capacitance is 2 pF. |
| IN– (Pin 4) | Inverting input | Matches IN+ in voltage range and capacitance; enables precision differential gain configurations with minimal CMRR degradation. |
| SHDN (Pin 5) | Shutdown control input | Active-high logic: ≥(V–) + 0.9 V enables, ≤(V–) + 0.7 V disables; draws ≤155 nA when pulled low. |
| V+ (Pin 6) | Positive supply | Accepts up to 7 V absolute max; supplies internal bias circuitry; PSRR is ±13 µV/V at 1.8 V supply. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Enables full dynamic range utilization in single-supply systems (e.g., 3.3 V microcontroller ADC reference), reducing headroom loss by >1.5 V vs. legacy op amps. |
| 15 V/µs slew rate | Supports clean amplification of >1-MHz pulse signals without slew-induced distortion, verified across 50–350 pF loads. |
| Internal RFI/EMI filter | Rejects >30 dB of 100-MHz RF interference at input pins, eliminating need for external ferrite beads in noisy industrial environments. |
| Unity-gain stable | Operates reliably with gain = +1 without external compensation, simplifying design of voltage followers for sensor buffering and reference distribution. |
| Shutdown mode | Reduces total supply current to <1 µA per channel, enabling µA-level sleep states in portable instrumentation and IoT edge nodes. |
Applications
| Photodiode Amplifier | Low-Side Current Sensing |
|---|---|
Use Scenario: Amplifying weak current from silicon photodiodes in smoke detectors or ambient light sensors. IC Role / Device Role / Timing Role: Transimpedance amplifier with 1 MΩ feedback resistor, converting photocurrent to voltage while preserving bandwidth. Use Value: ±2 pA input bias current prevents signal corruption; 15 nV/√Hz noise floor maintains SNR >70 dB for sub-nA photocurrents. | Use Scenario: Monitoring motor phase current in BLDC drives via shunt resistor placed between load and ground. IC Role / Device Role / Timing Role: Difference amplifier rejecting common-mode voltage while amplifying mV-level shunt drops. Use Value: Rail-to-rail input accepts common-mode up to V+, enabling accurate measurement even at 0 V ground-referenced node. |
| Sensor Signal Conditioning | Active Filter Stage |
Use Scenario: Conditioning output of MEMS accelerometers or RTD bridges before ADC sampling. IC Role / Device Role / Timing Role: Precision gain stage with programmable offset correction and anti-aliasing filtering. Use Value: ±0.33 mV offset and 80–96 dB CMRR ensure <0.1% gain error across –40°C to 125°C industrial temperature range. | Use Scenario: Implementing 2nd-order Sallen-Key low-pass filter in audio front-end or vibration monitoring. IC Role / Device Role / Timing Role: Unity-gain buffer isolating filter poles and preventing loading-induced frequency shift. Use Value: 5 MHz GBW and 60° phase margin guarantee filter cutoff accuracy within ±1% at 100 kHz without peaking or instability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA391DBVR | Higher 10 MHz GBW, lower 11 nV/√Hz noise, but 500 µA IQ and no shutdown. | Better for wideband analog front-ends requiring >5 MHz signal chain bandwidth; unsuitable for battery-constrained shutdown use cases. | Select TLV9051SIDBVR when <330 µA IQ and active shutdown are mandatory; choose OPA391DBVR only if bandwidth >5 MHz and noise <12 nV/√Hz are primary drivers. |
| TLV9061SIDBVR | Same pinout and shutdown function, but higher 10 MHz GBW, 2.5 V/µs slew rate, and 560 µA IQ. | Optimized for precision DC/low-frequency applications needing lower offset drift (±0.2 µV/°C) but less suited for fast transient response. | TLV9051SIDBVR is preferred for time-critical signal acquisition; TLV9061SIDBVR fits high-accuracy static measurements where speed is secondary. |
Compared with OPA391DBVR and TLV9061SIDBVR, TLV9051SIDBVR uniquely balances 15 V/µs slew rate, 5 MHz bandwidth, and sub-350 µA quiescent current with integrated shutdown-enabling responsive, low-power sensing in space-constrained industrial nodes where thermal and battery life constraints prohibit higher-IQ alternatives.
Availability
TLV9051SIDBVR is available at Aetrix Electronics and suitable for photodiode amplification, low-side current sensing, and sensor signal conditioning requiring stable component supply across automotive, industrial automation, and portable medical device production programs.
Supply support for TLV9051SIDBVR 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 delivering analog and embedded processing solutions, with over 50 years of innovation in precision amplifiers and low-power signal chain components.
The TLV905x family was designed specifically for cost-sensitive, battery-operated, and space-constrained applications demanding high-speed rail-to-rail performance at 1.8 V supply-targeting industrial sensing, portable instrumentation, and smart home sensor nodes.
FAQ
What is the maximum capacitive load the TLV9051SIDBVR can drive while remaining stable?
The TLV9051SIDBVR is specified to remain unity-gain stable with up to 150 pF capacitive load, as confirmed in the datasheet's Phase Margin vs Capacitive Load plot (Figure 6-17). Driving >150 pF requires external isolation resistance or gain adjustment; the TLV9051SIDBVR's resistive open-loop output impedance simplifies stabilization with larger loads when needed.
Does the TLV9051SIDBVR support true rail-to-rail input operation at 1.8 V supply?
Yes. The TLV9051SIDBVR guarantees rail-to-rail input common-mode range from (V–) – 0.1 V to (V+) + 0.1 V across 1.8 V to 6.0 V supply, including at 1.8 V. This allows direct interfacing with 0 V–1.8 V sensors and references without level-shifting circuitry, validated over –40°C to 125°C.
What is the typical enable time when exiting shutdown mode on the TLV9051SIDBVR?
The TLV9051SIDBVR has a typical amplifier enable time (tON) of 35 µs for full shutdown recovery, defined as the interval from 50% SHDN voltage rise to 90% output settling. This value is measured under full shutdown conditions (SHDN pulled from V– to V+) and applies directly to TLV9051SIDBVR in DBV package per Section 6.7 of the datasheet.
How does the input offset voltage of the TLV9051SIDBVR perform across temperature?
The TLV9051SIDBVR exhibits ±2 mV maximum input offset voltage over –40°C to +125°C, with a typical drift of ±0.5 µV/°C. This is confirmed in Table 6-7 (Offset Voltage Drift) and Figure 6-3 (Offset Voltage vs Temperature), making it suitable for precision industrial sensing where thermal stability is critical.
Can the TLV9051SIDBVR be used in single-supply configurations with ground-referenced inputs?
Yes. The TLV9051SIDBVR supports true single-supply operation with V– connected to ground. Its rail-to-rail input accepts common-mode voltages down to (V–) – 0.1 V (i.e., –0.1 V), and its output swings within 16 mV of ground at 10 kΩ load-enabling direct interface with ground-referenced transducers and microcontroller ADCs without negative supply rails.
TLV9051SIDBVR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 15V/µs
- Gain Bandwidth Product:
- 5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 2 pA
- Voltage - Input Offset:
- 330 µV
- Current - Supply:
- 330µA
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
TLV9051SIDBVR FAQ
1.How can I place an order for TLV9051SIDBVR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV9051SIDBVR 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 TLV9051SIDBVR reliable?
The price and inventory of TLV9051SIDBVR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV9051SIDBVR is usually 5 days.
3.What payment methods are accepted for TLV9051SIDBVR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV9051SIDBVR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV9051SIDBVR?
TLV9051SIDBVR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV9051SIDBVR 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 TLV9051SIDBVR?
For technical support, including TLV9051SIDBVR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV9051SIDBVR requirements.
6.How does Aetrix verify that TLV9051SIDBVR is sourced from the original manufacturer or authorized distributors?
All TLV9051SIDBVR 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 TLV9051SIDBVR meets industry standards.
7.What is the process for return or replacement of TLV9051SIDBVR?
All TLV9051SIDBVR units undergo pre-shipment inspection (PSI). If there is an issue with TLV9051SIDBVR, 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 TLV9051SIDBVR part is unused and in its original packaging.
Return procedure for TLV9051SIDBVR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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