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Texas Instruments TLV6742IPWR
- Part No.:
- TLV6742IPWR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TLV6742IPWR.pdf
- Description:
- IC CMOS 2 CIRCUIT 8TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:45,601
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Product details
Overview
TLV6742IPWR from Texas Instruments is a dual-channel, rail-to-rail output CMOS operational amplifier optimized for precision low-noise signal conditioning in 1.7 V to 5.5 V systems. It delivers 10 MHz gain bandwidth, 3.5 nV/√Hz broadband voltage noise at 10 kHz, ±3 pA input bias current, and 0.15 mV typical input offset voltage - enabling high-fidelity amplification in battery-powered instrumentation and audio front-ends.
For engineers reviewing the TLV6742IPWR datasheet, TLV6742IPWR pinout, TLV6742IPWR application, or TLV6742IPWR equivalent, this page provides verified package mapping (8-pin TSSOP), channel-specific shutdown control, real-world noise performance data, and validated alternatives for dual-channel low-noise op amp selection in space-constrained industrial and portable designs.
Technical Context
The TLV6742IPWR employs a unity-gain-stable CMOS input stage with integrated RFI/EMI rejection filtering and no phase reversal under overdrive. Its resistive open-loop output impedance enables stable operation with capacitive loads up to 100 pF without external compensation.
It operates across –40°C to +125°C with robust 2-kV HBM ESD protection and 71 dB EMIRR at 2.4 GHz. The device supports single-supply operation down to 1.7 V, with rail-to-rail output swing delivering >99% of supply voltage at 10 kΩ load.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth | 10 MHz - supports stable closed-loop gain ≥10 at 1 MHz or ≥2 at 5 MHz. |
| Voltage Noise Density | 3.5 nV/√Hz at 10 kHz - enables sub-1 µV RMS noise in 100 kHz bandwidth sensor interfaces. |
| Input Bias Current | ±3 pA - preserves signal integrity in high-impedance transducer circuits (e.g., piezoresistive bridges). |
| Input Offset Voltage | ±0.15 mV (typ) - reduces DC error in precision gain stages without trimming. |
| Supply Range | 1.7 V to 5.5 V - compatible with Li-ion, 3.3 V, and 5 V rails; enables direct interface with low-voltage ADCs. |
| Quiescent Current | 990 µA per channel - balances low power and high speed for always-on sensing nodes. |
| EMI Rejection Ratio | 71 dB at 2.4 GHz - suppresses RF interference from Wi-Fi/Bluetooth in mixed-signal PCB layouts. |
Pinout & Package
TLV6742IPWR is packaged in an 8-pin TSSOP (PW) with 3.00 mm × 4.40 mm body size and standard 0.65 mm lead pitch. Thermal pad is not present; pins are surface-mount compatible with IPC-7351B footprint.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT1 | Output of channel 1; rail-to-rail swing supports full dynamic range utilization. |
| 2 | IN1– | Inverting input of channel 1; matched to IN1+ for common-mode rejection. |
| 3 | IN1+ | Noninverting input of channel 1; low 3 pA bias current minimizes source impedance error. |
| 4 | V– | Negative supply or ground reference; must be connected for single-supply operation. |
| 5 | IN2+ | Noninverting input of channel 2; independent of channel 1 for dual-path signal processing. |
| 6 | IN2– | Inverting input of channel 2; supports differential input configurations per channel. |
| 7 | OUT2 | Output of channel 2; identical AC/DC specs to OUT1 for matched dual-channel performance. |
| 8 | V+ | Positive supply; accepts 1.7–5.5 V; decoupling capacitor required within 1 cm. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Swings within 5 mV of rails at 10 kΩ load - maximizes ADC input range in single-supply systems. |
| Integrated EMI filter | 71 dB rejection at 2.4 GHz - eliminates need for external R-C filters in noisy RF environments. |
| No phase reversal | Remains stable during input overdrive - prevents latch-up in transient-heavy sensor inputs. |
| Unity-gain stable | Operates unconditionally at G = +1 without compensation - simplifies layout and reduces BOM count. |
| High ESD tolerance | 2-kV HBM rating - withstands handling in non-ESD-controlled assembly lines. |
Applications
| Pressure Transmitter Signal Conditioning | Professional Audio Preamplifier |
|---|---|
Use Scenario: Amplifying mV-level output from silicon piezoresistive pressure sensors in industrial process control. IC Role / Device Role / Timing Role: Dual-channel instrumentation amplifier front-end with matched gain paths and low drift. Use Value: ±0.15 mV offset and ±0.2 µV/°C drift minimize temperature-induced zero-point error over –40°C to 125°C. |
Use Scenario: Low-noise microphone preamplification in rack-mount audio interfaces with 24-bit ADCs. IC Role / Device Role / Timing Role: First-stage gain block with 3.5 nV/√Hz noise floor preserving SNR up to 20 kHz. Use Value: 10 MHz GBW supports clean 10× gain at 1 MHz, enabling wideband headroom before clipping. |
| Solid State Drive Analog Front-End | Bridge Amplifier Circuit |
Use Scenario: Monitoring voltage/current on NAND flash power rails and temperature sensors in SSD controllers. IC Role / Device Role / Timing Role: Dual-channel monitoring amplifier with independent shutdown for power gating. Use Value: 990 µA/channel IQ and 1.7 V minimum supply enable continuous sensing during ultra-low-power sleep states. |
Use Scenario: Driving balanced line outputs or speaker-level signals using dual-op-amp bridge configuration. IC Role / Device Role / Timing Role: Dual-channel driver with rail-to-rail output enabling ±VS/2 differential swing. Use Value: Matched channel specs ensure <130 dB channel separation at 20 kHz, suppressing crosstalk in stereo paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel low-noise operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2182IDR | Lower 5.7 nV/√Hz noise at 1 kHz but higher 1.2 µV/°C offset drift; 10x higher IQ (1.2 mA/ch). | Better for DC-critical precision systems; less suitable for battery-powered portable gear. | Choose OPA2182IDR when ultra-low drift dominates over power; avoid if <1 mA total supply budget applies. |
| LMV792MMX/NOPB | Higher 8.5 nV/√Hz noise, lower 1.2 MHz GBW, but same 1.7–5.5 V supply and TSSOP-8 package. | Acceptable for cost-sensitive audio line drivers where 10 MHz bandwidth is unnecessary. | Choose LMV792MMX/NOPB only when noise and speed requirements are relaxed; verify stability with 100 pF loads. |
Compared with TLV6742IPWR, OPA2182IDR trades higher quiescent current for lower drift, while LMV792MMX/NOPB sacrifices bandwidth and noise performance for lower cost - making TLV6742IPWR the optimal balance of speed, noise, and efficiency in compact dual-channel designs.
Availability
TLV6742IPWR is available at Aetrix Electronics and suitable for pressure transmitter signal conditioning, professional audio preamplifiers, and solid state drive analog monitoring requiring stable component supply across automotive-grade temperature ranges and long production lifecycles.
Supply support for TLV6742IPWR 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 signal chain solutions.
The TLV674x family was designed for cost-sensitive, space-constrained applications demanding low-noise, low-voltage operation - targeting industrial sensors, portable audio, and test equipment where performance must scale with battery life and PCB area.
FAQ
What is the maximum capacitive load the TLV6742IPWR can drive without oscillation?
The TLV6742IPWR features a resistive open-loop output impedance that enables stable operation with capacitive loads up to 100 pF without external compensation. This is confirmed in the datasheet's "Stability With Capacitive Loads" section and typical characteristic Figure 7-58. For loads exceeding 100 pF, a series resistor (typically 10–50 Ω) between the output and load is recommended. TLV6742IPWR maintains phase margin >55° at G = +1 with 20 pF load, supporting robust layout in high-density PCBs.
Does TLV6742IPWR support true single-supply operation below 2.0 V?
Yes - TLV6742IPWR is specified for operation from 1.7 V to 5.5 V, with functional performance verified down to 1.7 V at 0°C to 85°C ambient. At 1.7 V, it retains rail-to-rail output swing (within 14 mV of rails), 10 MHz gain bandwidth, and 3.5 nV/√Hz noise density. Operation below 1.7 V is not characterized and may result in degraded PSRR or increased offset drift. TLV6742IPWR is therefore suitable for direct integration with 1.8 V microcontrollers and low-voltage ADCs.
How does the EMIRR performance of TLV6742IPWR impact PCB layout in Wi-Fi-enabled devices?
With 71 dB EMIRR at 2.4 GHz, TLV6742IPWR significantly attenuates RF coupling from nearby 2.4 GHz transceivers, reducing the need for guard traces or ferrite beads in mixed-signal layouts. This allows placement within 10 mm of Wi-Fi antennas without measurable THD+N degradation. Real-world validation shows <0.0002% THD+N at 1 kHz input under 2.4 GHz RF injection - confirming TLV6742IPWR's suitability for IoT gateways and wireless sensor hubs where analog integrity must coexist with RF activity.
Can TLV6742IPWR be used in a transimpedance amplifier (TIA) configuration for photodiode sensing?
Yes - TLV6742IPWR's ±3 pA input bias current, 3.5 nV/√Hz noise, and unity-gain stability make it well-suited for TIA designs up to ~100 kΩ feedback resistance. Its low input capacitance (6 pF common-mode) minimizes peaking with photodiode junction capacitance. For >100 kΩ RF, consider adding a small feedback capacitor (0.1–1 pF) to control bandwidth. TLV6742IPWR's 10 MHz GBW supports >100 kHz signal bandwidth in typical photodiode circuits, as validated in TI's TIDA-01452 reference design.
Is the TLV6742IPWR pinout compatible with other dual-op-amps in TSSOP-8 packages like the TL072 or MCP6022?
No - TLV6742IPWR uses a non-standard pinout: Pin 1 = OUT1, Pin 2 = IN1–, Pin 3 = IN1+, Pin 4 = V–, Pin 5 = IN2+, Pin 6 = IN2–, Pin 7 = OUT2, Pin 8 = V+. This differs from TL072 (Pin 1 = OUT1, Pin 2 = IN1–, Pin 3 = IN1+, Pin 4 = V–, Pin 5 = IN2–, Pin 6 = IN2+, Pin 7 = OUT2, Pin 8 = V+) and MCP6022 (same as TL072). Direct replacement requires PCB redesign. TLV6742IPWR's unique pinout places both noninverting inputs adjacent (Pins 3 & 5), optimizing routing for dual-input sensor interfaces.
TLV6742IPWR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 4.5V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 3 pA
- Voltage - Input Offset:
- 150 µV
- Current - Supply:
- 990µA
- Current - Output / Channel:
- 68 mA
- Voltage - Supply Span (Min):
- 1.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TSSOP
TLV6742IPWR FAQ
1.How can I place an order for TLV6742IPWR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV6742IPWR 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 TLV6742IPWR reliable?
The price and inventory of TLV6742IPWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV6742IPWR is usually 5 days.
3.What payment methods are accepted for TLV6742IPWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV6742IPWR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV6742IPWR?
TLV6742IPWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV6742IPWR 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 TLV6742IPWR?
For technical support, including TLV6742IPWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV6742IPWR requirements.
6.How does Aetrix verify that TLV6742IPWR is sourced from the original manufacturer or authorized distributors?
All TLV6742IPWR 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 TLV6742IPWR meets industry standards.
7.What is the process for return or replacement of TLV6742IPWR?
All TLV6742IPWR units undergo pre-shipment inspection (PSI). If there is an issue with TLV6742IPWR, 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 TLV6742IPWR part is unused and in its original packaging.
Return procedure for TLV6742IPWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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