Specifications
| Type | Description |
|---|---|
| Part Number | LMV321IDBVR |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | DBV (SOT-23, 5 pins), 2.90 mm × 2.80 mm |
| Channel Count | Single; condition: LMV321 device family member |
| Supply Voltage Range | 2.7 V to 5.5 V; condition: recommended operating conditions, single-supply operation |
| Operating Free-Air Temperature | -40°C to +125°C; condition: LMV321, LMV358, LMV324, LMV321IDCK |
| Maximum Supply Voltage | 5.5 V; condition: absolute maximum rating |
| Differential Input Voltage | ±5.5 V; condition: absolute maximum rating |
| Input Voltage Range | -0.2 V to 5.7 V; condition: either input, absolute maximum rating |
| Output Short-Circuit Duration | Unlimited; condition: one amplifier to ground, at or below TA = 25°C, VCC ≤ 5.5 V |
| Operating Virtual Junction Temperature | 150°C; condition: absolute maximum rating |
| Storage Temperature Range | -65°C to +150°C; condition: absolute maximum rating |
| ESD Rating, Human Body Model | 2000 V; condition: ANSI/ESDA/JEDEC JS-001, all pins |
| ESD Rating, Charged Device Model | 1000 V; condition: JEDEC JESD22-C101, all pins |
| Junction-to-Ambient Thermal Resistance | 232.9°C/W; condition: LMV321, DBV SOT-23, 5 pins |
| Input Offset Voltage | typ 1.7 mV, max 7 mV; condition: VCC+ = 2.7 V, TA = 25°C |
| Average Temperature Coefficient of Input Offset Voltage | typ 5 μV/°C; condition: VCC+ = 2.7 V, TA = 25°C |
| Input Bias Current | typ 11 nA, max 250 nA; condition: VCC+ = 2.7 V, TA = 25°C |
| Input Offset Current | typ 5 nA, max 50 nA; condition: VCC+ = 2.7 V, TA = 25°C |
| Common-Mode Rejection Ratio | min 50 dB, typ 63 dB; condition: VCC+ = 2.7 V, VCM = 0 V to 1.7 V, TA = 25°C |
| Supply-Voltage Rejection Ratio | min 50 dB, typ 60 dB; condition: VCC = 2.7 V to 5 V, VO = 1 V, TA = 25°C |
| Common-Mode Input Voltage Range | min 0 V, typ -0.2 V; min 1.9 V, typ 1.7 V; condition: VCC+ = 2.7 V, CMRR ≥ 50 dB, TA = 25°C |
| High-Level Output Swing | typ VCC - 100 mV, max VCC - 10 mV; condition: VCC+ = 2.7 V, RL = 10 kΩ to 1.35 V, TA = 25°C |
| Low-Level Output Swing | typ 60 mV, max 180 mV; condition: VCC+ = 2.7 V, RL = 10 kΩ to 1.35 V, TA = 25°C |
| Supply Current | typ 80 μA, max 170 μA; condition: LMV321I, VCC+ = 2.7 V, TA = 25°C |
| Unity-Gain Bandwidth | typ 1 MHz; condition: VCC+ = 2.7 V, CL = 200 pF, TA = 25°C |
| Phase Margin | typ 60 degrees; condition: VCC+ = 2.7 V, TA = 25°C |
| Gain Margin | typ 10 dB; condition: VCC+ = 2.7 V, TA = 25°C |
| Equivalent Input Noise Voltage | typ 46 nV/√Hz; condition: VCC+ = 2.7 V, f = 1 kHz, TA = 25°C |
| Equivalent Input Noise Current | typ 0.17 pA/√Hz; condition: VCC+ = 2.7 V, f = 1 kHz, TA = 25°C |
| Input Offset Voltage | typ 1.7 mV, max 7 mV; condition: VCC+ = 5 V, TA = 25°C |
| Input Offset Voltage | max 9 mV; condition: VCC+ = 5 V, TA = -40°C to +125°C |
| Input Bias Current | typ 15 nA, max 250 nA; condition: VCC+ = 5 V, TA = 25°C |
| Input Bias Current | max 500 nA; condition: VCC+ = 5 V, TA = -40°C to +125°C |
| Input Offset Current | typ 5 nA, max 50 nA; condition: VCC+ = 5 V, TA = 25°C |
| Input Offset Current | max 150 nA; condition: VCC+ = 5 V, TA = -40°C to +125°C |
| Datasheet Status | request_only |
Product Overview
LMV321IDBVR is a Texas Instruments low-voltage operational amplifier configured as a single-channel LMV321 family member. It supports recommended single-supply operation from 2.7 V to 5.5 V and is specified for operation from -40°C to +125°C free-air temperature.
The device is provided in the DBV package, a 5-pin SOT-23 format with 2.90 mm × 2.80 mm package dimensions. Thermal data for the LMV321 DBV SOT-23 package lists 232.9°C/W junction-to-ambient thermal resistance, with an absolute maximum operating virtual junction temperature of 150°C.
Electrical parameters include typical 1.7 mV input offset voltage, 11 nA input bias current at 2.7 V, and 15 nA input bias current at 5 V. AC and noise data include 1 MHz typical unity-gain bandwidth, 60-degree typical phase margin, 10 dB typical gain margin, and 46 nV/√Hz typical equivalent input noise voltage at 1 kHz.
Key Features
- Single-channel LMV321 low-voltage operational amplifier
- 2.7 V to 5.5 V single-supply operation
- -40°C to +125°C operating free-air temperature
- DBV 5-pin SOT-23 package, 2.90 mm × 2.80 mm
- Typical 80 μA supply current at 2.7 V
- Typical 1 MHz unity-gain bandwidth with 200 pF load
- Typical 46 nV/√Hz input noise voltage at 1 kHz
- Typical 60-degree phase margin at 2.7 V
- 2000 V HBM and 1000 V CDM ESD ratings
- Unlimited output short-circuit duration under stated conditions
Typical Applications
- Single-supply signal conditioning
- Low-voltage analog front ends
- Sensor signal buffering
- Portable signal-chain circuits
- Rail-near output signal stages
- Low-current amplifier channels
Procurement Notes
When requesting a quote for LMV321IDBVR, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What supply voltage range does LMV321IDBVR support?
LMV321IDBVR is specified for recommended single-supply operation from 2.7 V to 5.5 V. The extracted absolute maximum supply voltage rating is 5.5 V.
What package is used for LMV321IDBVR?
The part uses the DBV package, described as a 5-pin SOT-23 package. The extracted package dimensions are 2.90 mm × 2.80 mm.
What are the main small-signal bandwidth and noise values?
At VCC+ = 2.7 V and TA = 25°C, the typical unity-gain bandwidth is 1 MHz with CL = 200 pF. At 1 kHz, typical equivalent input noise voltage is 46 nV/√Hz.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.