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Texas Instruments TLV2322IDR
- Part No.:
- TLV2322IDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2322IDR.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,905
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Product details
Overview
TLV2322IDR from Texas Instruments is a dual, low-voltage, rail-to-rail output operational amplifier optimized for single-supply operation in battery-powered sensor signal conditioning. It delivers 27 µA max supply current per channel at –40°C to +85°C, 9 mV max input offset voltage, and operates from 2.7 V to 8 V. Its input common-mode range extends to the negative rail and within 1 V of VDD, enabling direct interfacing with high-impedance sensors in smoke detectors and field transmitters.
For engineers reviewing the TLV2322IDR datasheet, TLV2322IDR pinout, TLV2322IDR application, or TLV2322IDR equivalent, this page provides verified specifications, SOIC-8 package details, real-world use cases in industrial sensing, and two validated alternative op-amps with documented functional and parametric differences.
Technical Context
The TLV2322IDR uses Texas Instruments' LinCMOS™ silicon-gate process to achieve ultra-low quiescent current (27 µA/channel) while maintaining 10¹² Ω typical input impedance and sub-picoampere input bias current. Its input stage supports rail-to-rail output swing and common-mode input down to ground, making it suitable for single-supply front-end amplification where signal headroom is constrained.
It is fully characterized at both 3 V and 5 V, with guaranteed performance across –40°C to +85°C. The device incorporates ESD protection rated to 2000 V (MIL-STD-883C, Method 3015.2) and built-in latch-up immunity-critical for reliability in field-deployed sensor nodes and transmitter modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 8 V - enables direct operation from single Li-ion, 3.3 V, or 5 V rails without regulation. |
| Quiescent Current per Channel | 27 µA max over –40°C to +85°C - supports multi-year battery life in portable sensor systems. |
| Input Offset Voltage | 9 mV max at 25°C - ensures minimal DC error in precision DC-coupled sensor interfaces (e.g., pressure/temperature transmitters). |
| Input Common-Mode Range | Extends to VDD–1 V at 25°C - allows input signals near positive rail without clipping in single-supply configurations. |
| Output Voltage Swing | Rail-to-rail (to negative rail) - maximizes dynamic range when driving ADCs or comparators referenced to ground. |
| Unity-Gain Bandwidth | 85 kHz at VDD = 5 V, 27 kHz at VDD = 3 V - sufficient for low-frequency sensor signal amplification (e.g., thermocouple, RTD, strain gauge). |
| Input Bias Current | 0.6 pA typical at 25°C - preserves signal integrity when amplifying from high-impedance sources (>1 MΩ). |
Pinout & Package
TLV2322IDR is packaged in an 8-pin SOIC (D package), 3.9 mm × 4.9 mm body, 1.75 mm height, with standard JEDEC MS-012AC footprint and gull-wing leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT1 (Pin 1) | Output | Amplified output of Channel 1; rail-to-rail capable, drives loads ≥1 MΩ directly. |
| 1IN– (Pin 2) | Input | Inverting input of Channel 1; accepts signals within common-mode range (–0.2 V to VDD–1 V). |
| 1IN+ (Pin 3) | Input | Noninverting input of Channel 1; high-impedance node (10¹² Ω) for sensor or reference connections. |
| VDD– / GND (Pin 4) | Power | Ground or negative supply terminal; serves as reference for both inputs and outputs in single-supply mode. |
| 2IN+ (Pin 5) | Input | Noninverting input of Channel 2; electrically identical to Pin 3, supports dual-channel independent signal paths. |
| 2IN– (Pin 6) | Input | Inverting input of Channel 2; matches Pin 2 functionality for second amplifier stage. |
| OUT2 (Pin 7) | Output | Amplified output of Channel 2; independently buffered, no crosstalk with OUT1 under normal conditions. |
| VDD+ (Pin 8) | Power | Positive supply terminal; accepts 2.7 V–8 V; requires local 0.1 µF ceramic bypass capacitor to GND. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power consumption | 27 µA max per channel over full temperature range - enables always-on operation in energy-constrained IoT edge nodes. |
| Rail-to-rail output swing | Drives to negative rail and within ~100 mV of VDD - eliminates need for level-shifting circuitry in single-supply data acquisition. |
| High input impedance | 10¹² Ω typical - prevents loading of high-Z sensor elements (e.g., piezoresistive pressure cells, pH electrodes). |
| ESD protection | 2000 V HBM rating per MIL-STD-883C - enhances robustness during PCB handling and field installation. |
| Latch-up immunity | Designed-in immunity per JEDEC JESD78 - ensures reliable operation under transient overvoltage or ESD events. |
Applications
| Smoke and Heat Detector | Pressure Transmitter |
|---|---|
|
Use Scenario: Amplifies low-level analog output from ionization chamber or thermistor network in residential/commercial fire alarm units. IC Role / Device Role / Timing Role: Dual-channel signal conditioner: one channel buffers reference voltage, the other amplifies detector signal with gain ≥100. Use Value: 27 µA/channel quiescent current extends battery life beyond 5 years; rail-to-rail output ensures full ADC utilization without external biasing. |
Use Scenario: Conditioner for bridge-based pressure sensors in industrial process control loops, operating from 3.3 V loop-powered supplies. IC Role / Device Role / Timing Role: Instrumentation amplifier front-end: configured as difference amplifier with matched external resistors to reject common-mode noise. Use Value: 9 mV max VIO and <1 µV/°C drift minimize zero-point error over temperature; 10¹² Ω input impedance avoids bridge imbalance. |
| Temperature Transmitter | Motion Detector |
|
Use Scenario: Signal conditioning for Pt100 RTD or thermocouple in 4–20 mA smart transmitters deployed in harsh factory environments. IC Role / Device Role / Timing Role: Precision cold-junction compensation and linearization amplifier, powered from isolated 5 V supply derived from loop current. Use Value: Input common-mode range extending to ground enables direct connection to grounded RTD configurations; ESD-hardened inputs withstand field wiring transients. |
Use Scenario: Low-power analog front-end for PIR (passive infrared) motion sensors in battery-operated security lights or occupancy monitors. IC Role / Device Role / Timing Role: Dual-stage amplifier: first stage AC-couples and amplifies microvolt-level pyroelectric signal; second stage filters and drives comparator threshold. Use Value: Sub-pA input bias current prevents signal loss across high-value feedback resistors; 85 kHz bandwidth captures fast thermal transients without aliasing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual, low-voltage, low-power operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2422IDR | Higher supply current (125 µA/channel), wider VIO range (2.5 mV typ), improved CMRR (90 dB min) | Better suited for higher-precision, moderate-power applications where accuracy outweighs battery life | Select TLV2422IDR if system requires lower offset drift and higher PSRR, and can accommodate 4.6× higher quiescent current. |
| LPV322IDR | Lower supply current (10 µA/channel), reduced bandwidth (150 kHz), same SOIC-8 package | Optimized for ultra-low-power, low-bandwidth sensor buffering where 27 µA is still excessive | Choose LPV322IDR only when extending battery life beyond 10 years is critical and unity-gain bandwidth >27 kHz is unnecessary. |
Compared with TLV2422IDR and LPV322IDR, the TLV2322IDR strikes a balanced trade-off between ultra-low power (27 µA), usable bandwidth (85 kHz @ 5 V), and proven field reliability-making it ideal for cost-sensitive, long-life industrial sensor transmitters where moderate precision suffices.
Availability
TLV2322IDR is available at Aetrix Electronics and suitable for smoke detectors, pressure transmitters, temperature transmitters, and motion detectors requiring stable component supply across extended production lifecycles.
Supply support for TLV2322IDR 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 connectivity technologies, with decades of experience in precision amplifiers and low-power design.
The TLV2322IDR belongs to TI's legacy LinCMOS™ low-voltage op-amp family, engineered specifically for single-supply, battery-powered industrial sensing and transmitter applications demanding ultra-low IQ and rail-to-rail output capability.
FAQ
What is the maximum supply voltage for TLV2322IDR?
The absolute maximum supply voltage for TLV2322IDR is 8 V, as specified in Section 5.1 of the official datasheet. Operation above this voltage risks permanent damage. For reliable long-term use, the recommended operating range is 2.7 V to 8 V, with full characterization performed at both 3 V and 5 V. The TLV2322IDR maintains stable performance across this entire span without derating.
Does TLV2322IDR support rail-to-rail input?
No, TLV2322IDR does not support rail-to-rail input. Its common-mode input voltage range extends to the negative rail (GND) and up to VDD – 1 V at 25°C (or VDD – 1.2 V over full temperature range). This means the inputs cannot accept signals at the positive supply rail, but they do function correctly at ground potential-enabling true single-supply operation with grounded sensors or references.
What is the input offset voltage specification for TLV2322IDR?
The TLV2322IDR has a maximum input offset voltage (VIO) of 9 mV at 25°C, as confirmed in the Device Information table and Section 5.4 Electrical Characteristics. Over the full operating temperature range (–40°C to +85°C), VIO is specified at 11 mV max. This value is measured under standard test conditions: VO = 1 V, VIC = 1 V, RS = 50 Ω, RL = 1 MΩ.
Can TLV2322IDR drive capacitive loads directly?
TLV2322IDR is not unity-gain stable into heavy capacitive loads. The datasheet specifies stability testing with CL = 20 pF in all bandwidth and phase margin measurements. Driving >100 pF directly may cause peaking or oscillation. For capacitive loads exceeding 50 pF, external isolation resistance (e.g., 10–100 Ω in series with output) or a dedicated buffer stage is recommended to maintain stability-verified in Figure 6-1 and Section 6.1 test circuits.
Is TLV2322IDR pin-compatible with other dual op-amps in SOIC-8?
TLV2322IDR follows the industry-standard dual op-amp pinout (pin 1 = OUT1, pin 2 = 1IN–, pin 3 = 1IN+, pin 4 = GND, pin 5 = 2IN+, pin 6 = 2IN–, pin 7 = OUT2, pin 8 = VDD+), matching devices like LMV358, TLV272, and MCP6022. However, electrical behavior-including supply current, offset, and bandwidth-differs significantly; therefore, direct substitution requires validation of system-level performance, especially under low-voltage or high-impedance conditions.
TLV2322IDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 0.03V/µs
- Gain Bandwidth Product:
- 85 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.6 pA
- Voltage - Input Offset:
- 1.1 mV
- Current - Supply:
- 20µA (x2 Channels)
- Current - Output / Channel:
- 30 mA
- Voltage - Supply Span (Min):
- 2 V
- Voltage - Supply Span (Max):
- 8 V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLV2322IDR FAQ
1.How can I place an order for TLV2322IDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2322IDR 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 TLV2322IDR reliable?
The price and inventory of TLV2322IDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2322IDR is usually 5 days.
3.What payment methods are accepted for TLV2322IDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2322IDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2322IDR?
TLV2322IDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2322IDR 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 TLV2322IDR?
For technical support, including TLV2322IDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2322IDR requirements.
6.How does Aetrix verify that TLV2322IDR is sourced from the original manufacturer or authorized distributors?
All TLV2322IDR 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 TLV2322IDR meets industry standards.
7.What is the process for return or replacement of TLV2322IDR?
All TLV2322IDR units undergo pre-shipment inspection (PSI). If there is an issue with TLV2322IDR, 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 TLV2322IDR part is unused and in its original packaging.
Return procedure for TLV2322IDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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