TLV9301IDBVR - 40V 1MHz RRO Op Amp SOT-23-5 | Texas Instruments
料号： TLV9301IDBVR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0.78 | $0.78 |
| 10 | $0.62 | $6.20 |
| 100 | $0.42 | $42.00 |
| 500 | $0.32 | $160.00 |
| 1,000 | $0.27 | $270.00 |
| 3,000 | $0.21 | $630.00 |
TLV9301IDBVR 概述
An operational amplifier (op amp) is a high-gain DC-coupled differential amplifier that uses external feedback components to set closed-loop behavior. The TLV9301IDBVR is a general-purpose, low-cost, low-power CMOS op amp in TI's "TLVx" value line, designed for high-voltage (up to 40 V) industrial and consumer applications where input voltage can swing to the positive supply (rail-to-rail input common-mode support on the non-inverting input only, per the family) and the output must swing to either rail. In the broader taxonomy, it sits as: op amp -> amplifier IC -> analog IC -> semiconductor -> integrated circuit.
Key differentiating specs include a wide 2.7-V to 40-V single-supply operating range (or ±1.35 V to ±20 V split supply), 60 mA typical short-circuit output current for driving moderate loads, low quiescent current, and EMI-hardened inputs that reject RF interference in dense PCB layouts. The SOT-23-5 footprint enables board-space-constrained designs such as portable instrumentation, sensor signal conditioning, and active filters.
Architecturally, the TLV9301 uses a CMOS input stage with integrated electrostatic discharge (ESD) protection and a class-AB output stage that delivers rail-to-rail swing while maintaining stability into 1 nF loads. Its MUX-friendly input stage tolerates fast rail-to-rail common-mode transitions, making it suitable for use downstream of an analog multiplexer in multi-channel data-acquisition front-ends.
Typical applications include motor-drive current-sense amplifiers, battery-pack monitoring front-ends, multi-channel analog input modules on PLCs, low-side current shunts, active signal conditioning for 4-20 mA loops, and transducer / bridge amplifiers. Designers favor this part when a generic 1-MHz op amp with wide supply headroom and rail-to-rail output must fit on a tiny SOT-23 footprint without the cost of a precision-grade part.
When designing with the TLV9301IDBVR, place a 1 nF to 100 nF bypass capacitor within 5 mm of the supply pin, keep input traces short to minimize leakage and pickup, and note that the input common-mode range does NOT include the negative rail (it is not a true RRIO). For multiplexer-driven inputs, add a 10 kΩ series resistor at each input to limit transient current and preserve long-term reliability.
This page synthesizes distributor pricing, same-family drop-in alternatives (TLV9301IDBVT, TLV9302 family, TLV9001 family), and practical design notes that go beyond the 57- or 61-page manufacturer datasheet to help engineers pick the right op amp at the right price.
直接替换替代料： TLV9301IDBVR ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： TLV9301IDBVR （相同外形与封装尺寸） ——差异在于 Number of Channels, Package, MSL Level, Output Type, Topology.
快速对比工具——选择替代料号进行并排对比：
TLV9301IDBVT
✅ 直接替换📋 参考替代料（不在目录中）
TLV9001IDBVR
✅ 直接替换✓ 有现货
$0.14 / 个
查看数据手册 →TLV9002IDBVR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
LMV321IDBVR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.12 / 个
查看数据手册 →MCP6001T-E/OT
✅ 直接替换📋 参考替代料（不在目录中）
AD8601ARTZ-REEL7
✅ 直接替换📋 参考替代料（不在目录中）
TLV9301IDBVR 最大额定值与电气特性
| Number of Channels | 1 (Single) |
| 拓扑 | Standard (General Purpose) Op Amp |
| 输出类型 | Rail-to-Rail Output (RRO) |
| Input Type | CMOS (MUX-friendly, rail-to-rail on positive rail) |
| Gain Bandwidth Product (GBW) | 1 MHz |
| Input Offset Voltage (Vos) | ±0.5 mV (typ) |
| Input Offset Drift (dVos/dT) | ±2 µV/°C (typ) |
| Supply Voltage Range (Single Supply) | 2.7 V to 40 V |
| Supply Voltage Range (Split Supply) | ±1.35 V to ±20 V |
| Output Current (Short-Circuit) | ±60 mA (typ short-circuit) |
| 工作温度范围 | -40 °C to +125 °C |
| 封装 | SOT-23-5 (DBV) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Automotive Grade (AEC-Q100) | Standard grade (AEC-Q100 variants exist in family) |
TLV9301IDBVR 引脚配置
| 引脚 1 | OUT — Op-amp output (rail-to-rail) |
| 引脚 2 | V- — Negative supply (ground in single-supply) |
| 引脚 3 | IN+ — Non-inverting input (MUX-friendly, common-mode to V+ - 1.5V typ) |
| 引脚 4 | V+ — Positive supply (2.7V to 40V) |
| 引脚 5 | IN- — Inverting input |
典型应用
TLV9301IDBVR 适用于 6 应用s: Industrial 24V Sensor Signal Conditioning, Multi-Channel Data Acquisition Front-End, Low-Side Current-Sense Amplifier for Motor Drives, Active Filter and Transducer Buffering, Battery-Pack Monitoring Front-End (≤36V Stacks), PLC and Factory Automation Analog Input Modules.
Industrial 24V Sensor Signal Conditioning
The TLV9301IDBVR is a strong fit for industrial 24-V sensor signal conditioning because its 2.7-V to 40-V single-supply range tolerates direct connection to a 24-V industrial bus after a simple resistor-divider scaling, while its ±0.5 mV typical input offset preserves the millivolt-level signals from RTDs, thermocouples, and bridge sensors. With a 1-MHz GBW and rail-to-rail output the part easily amplifies 0-100 Hz transducer signals without losing dynamic range; place a 100 nF bypass within 5 mm of the supply pin to reject switching noise from a co-located DC-DC converter.
推荐
Multi-Channel Data Acquisition Front-End
The TLV9301IDBVR's MUX-friendly input stage is specifically designed to survive rapid common-mode voltage step transitions when driven by an analog multiplexer, making it the ideal post-buffer for 8-/16-channel DAQ systems that scan sensors at hundreds of kHz. Its 1-MHz GBW preserves the input signal's settled value within a few microseconds of MUX switching, while its EMI-hardened inputs reject RF pickup from noisy industrial environments. Use a 10 kΩ series resistor at the MUX output to limit transient current into the input stage during channel-to-channel steps of several tens of volts.
推荐
Low-Side Current-Sense Amplifier for Motor Drives
For low-side current sensing in brushed-DC and stepper motor drivers the TLV9301IDBVR is a strong choice: its input common-mode range extends to V- (the negative rail) so it can directly sense the high-side of a ground-referenced shunt resistor during PWM switching, and its ±60 mA typical short-circuit output current lets it drive long PCB traces into a downstream ADC or comparator. The 1-MHz GBW captures the current-control loop bandwidth demanded by FOC algorithms at moderate PWM frequencies above 20 kHz.
推荐
Active Filter and Transducer Buffering
The TLV9301IDBVR is well suited as a Sallen-Key or multiple-feedback active filter in the 10 Hz to 100 kHz range, where its 1-MHz GBW provides at least 10× loop gain above the highest filter corner for low distortion. Its rail-to-rail output swing maximizes dynamic range on 5-V or 12-V supplies, and its sub-microamp input bias current (CMOS input) prevents the part from loading high-impedance piezoelectric or pH sensors. Add a 100 pF to 1 nF capacitor in parallel with the feedback resistor to maintain phase margin in unity-gain buffer configs.
推荐
Battery-Pack Monitoring Front-End (≤36V Stacks)
For 4S to 10S lithium-ion battery-pack monitoring front-ends (up to 36 V max cell-stack voltage), the TLV9301IDBVR is an excellent buffer amplifier between the cell-balancing resistors and the monitor IC's ADC inputs because its 40-V supply lets it run directly from the top of stack without a separate level shifter. Its ±0.5 mV typical input offset adds < 5 mV error to a 1-Ω sense resistor measurement, and its low quiescent current (per family datasheet) helps preserve battery runtime in storage mode. Use a low-pass RC at the output to filter ADC-conversion switching transients.
推荐
PLC and Factory Automation Analog Input Modules
In PLC analog input modules that digitize 4-20 mA loops, 0-10 V field signals, and thermocouple millivolts, the TLV9301IDBVR is a strong general-purpose input buffer because it survives input voltages up to 40 V (beyond the 10-V or 24-V industrial signal range) and its rail-to-rail output drives downstream ADC inputs all the way to either supply rail. Its MUX-friendly inputs allow direct connection to the PLC's channel-multiplexer, cutting BOM cost by eliminating a dedicated protection amplifier. Operate multiple units in parallel for multi-channel density with shared 1-mm SOT-23-5 footprints.
推荐
推荐产品汇总
工程参考数据： TLV9301IDBVR ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | TLV9301IDBVT | TLV9001IDBVR | TLV9002IDBVR | LMV321IDBVR | MCP6001T-E/OT | AD8601ARTZ-REEL7 |
|---|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Microchip Technology | Analog Devices |
| Package | SOT-23-5 (DBV) | SOT-23-5 (DBV) - same | SOT-23-5 (DBV) - same | SOT-23-5 (DBV) - same | SOT-23-5 (DBV) - same | SOT-23-5 - same | SOT-23-5 - same |
| Channels | 1 (Single) | 1 (Single) | 1 (Single) | 2 (Dual) | 1 (Single) | 1 (Single) | 1 (Single) |
| Supply Voltage (max) | 40 V | 40 V | 5.5 V | 5.5 V | 5.5 V | 6 V | 5.5 V |
| Gain Bandwidth | 1 MHz | 1 MHz | 1 MHz | 1 MHz | 1 MHz | 1 MHz | 8 MHz |
| Output Swing | Rail-to-Rail Output | Rail-to-Rail Output | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Input Offset Voltage (typ) | ±0.5 mV | ±0.5 mV | ±0.5 mV | ±0.5 mV | ±1.7 mV | ±4.5 mV | ±1.0 mV |
| Automotive Grade (AEC-Q100) | No | No | No (Q1 variant available) | No | No | No (E-temp grade only) | No |
| Unit Price (qty 1, USD) | 0.78 | 0.95 | 0.38 | 0.55 | 0.22 | 0.36 | 1.40 |
关键差异点
- Only 40-V SOT-23-5 RRO op amp with MUX-friendly inputs （对比 TLV9001IDBVR)
- Higher output drive than legacy LMV321 （对比 LMV321IDBVR)
- Rail-to-rail output drives ADC inputs all the way to either rail （对比 MCP6001T-E/OT)
设计说明
Place a 100 nF (X7R, 50 V or higher) bypass capacitor within 5 mm of the TLV9301IDBVR's V+ pin (Pin 4), connecting directly to the V- (Pin 2) ground. The op amp's 40-V supply rail will inject switching noise into adjacent traces if the bypass is too far away; on multilayer boards use a dedicated power plane stitched with the bypass via. Estimated: at 1 mA quiescent current the local 100 nF cap holds the rail to within 5 mV during a 10 mA load step lasting 10 µs (ΔV = I·Δt/C = 10 mA·10 µs / 100 nF = 1 V worst case without the cap, < 50 mV with the cap in place).
The TLV9301IDBVR is NOT a true rail-to-rail input op amp - the input common-mode range extends to (V- - 0.1 V) but only to (V+ - 1.5 V). Attempting to operate the non-inverting input near the positive rail will cause the input stage to saturate and the output to lose linearity. If you need rail-to-rail INPUT (RRIO) operation for ground-referenced signal chains that swing to either supply, use a TLV9062 (RRIO 5.5 V) or a higher-cost RRIO alternative instead.
Keep input traces short (< 5 mm) and guarded with a ground ring on at least one side to prevent leakage and stray pickup, especially in high-impedance pH-electrode or piezo-sensor front-ends. The CMOS input stage of the TLV9301IDBVR has sub-nA bias current but the leakage drop across 1 MΩ input resistance at 5 nA leakage is 5 mV - use Teflon standoff or guard rings for > 100 MΩ source impedances. Place series 10 kΩ resistors at each input when driving from an analog MUX to limit transient current during channel-to-channel common-mode steps.
合规信息
RoHS and REACH compliant per Texas Instruments product page. Non-automotive grade under TLV9301IDBVR order code; AEC-Q100-qualified variants are marketed separately as TLV9301-Q1. Halogen-free per JEDEC JS709B standard. Source: TI TLV930x datasheet family document.
