TLV9001IDBVR - 1-MHz RRIO Op Amp | Texas Instruments
부품 번호: TLV9001IDBVR ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0.45 | $0.45 |
| 10 | $0.38 | $3.80 |
| 100 | $0.3 | $30.00 |
| 500 | $0.24 | $120.00 |
| 1,000 | $0.18 | $180.00 |
| 3,000 | $0.14 | $420.00 |
TLV9001IDBVR 개요
An operational amplifier (op amp) is an analog building block that amplifies the difference between two input voltages. A rail-to-rail op amp swings its output to within millivolts of both supply rails, maximizing dynamic range on low-voltage supplies. Within the broader hierarchy, the TLV9001 sits in the amplifier IC class under power management and signal chain electronics, sharing the RRIO category with general-purpose amplifiers like the TLV6001, TLV9061, and LM358 families.
Key features include an integrated RFI/EMI rejection filter at the inputs, unity-gain stability with capacitive loads up to 500 pF, no phase reversal in overdrive conditions, and a shutdown pin (SHDN) on select packages for power cycling in battery-powered designs. The shutdown current is only 5 pA typical, and the output stage can source or sink 40 mA. These features collectively make the device robust against real-world disturbances while preserving low power consumption.
The TLV9001 uses a complementary CMOS input stage with N-channel and P-channel differential pairs in parallel, enabling rail-to-rail input common-mode range. CMOS technology provides very high input impedance, low bias current, and low power draw compared to bipolar op amps, albeit with modestly higher voltage noise. The architecture is optimized for 1.8 V single-supply operation, where competing parts often exhibit degraded PSRR and crossover distortion.
Typical applications include battery-powered IoT sensor conditioning, smoke detector front-end amplifiers, wearable fitness/health monitoring, portable consumer audio gain stages, and small-appliance signal conditioning. Designers choose the TLV9001 when low cost, low power, and rail-to-rail operation are more important than raw speed or precision.
When designing with the TLV9001, observe the input common-mode range and ensure feedback resistors do not create large impedance nodes that couple with stray capacitance. Use a small capacitor across the feedback resistor if unity-gain buffer stability is borderline, and place the device close to the sensor to minimize PCB parasitic pickup.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet to help engineers accelerate BOM decisions.
드롭인 대체품: TLV9001IDBVR — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: TLV9001IDBVR (동일 폼 팩터 및 풋프린트) — 차이점: Package, Input Voltage Noise Density, MSL Level, Slew Rate, Number of Channels.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
TLV9001IDCKR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
TLV9001DBVR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
TLV9061IDBVR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
TLV6001IDBVR
✅ 드롭인✓ 재고 있음
$0.17 / 개
데이터시트 보기 →TLV376IDBVR
✅ 드롭인✓ 재고 있음
$0.18 / 개
데이터시트 보기 →TLV431ACDBVR
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$0.14 / 개
데이터시트 보기 →TLV9001IDBVR 최대 정격 & 전기적 특성
| Number of Channels | 1 |
| 토폴로지 | CMOS, Rail-to-Rail In/Out |
| Supply Voltage Range | 1.8 V to 5.5 V |
| Quiescent Current (per channel) | 60 uA (typical) |
| Unity-Gain Bandwidth | 1 MHz |
| Slew Rate | 2 V/us |
| Input Offset Voltage (max) | 1.6 mV |
| Input Bias Current | 2 pA |
| Input Voltage Noise Density | 4.7 nV/√Hz at 1 kHz |
| Input Common-Mode Range | Rail-to-Rail |
| Output Swing | Rail-to-Rail |
| Output Current (sourcing/sinking) | 40 mA |
| Open-Loop Gain (DC) | 86 dB |
| Input Offset Drift | 600 nV/°C |
| 셧다운 전류 | 5 pA |
| 동작 온도 | -40 °C to +125 °C |
| EMI/RFI Rejection Filter | Integrated |
| Capacitive Load Drive | 500 pF |
| 패키지 | SOT-23-5 (DBV) 2.90 mm x 1.60 mm |
| 실장 유형 | Surface Mount |
| MSL 레벨 | 2 (1 year floor life) |
| RoHS 상태 | Compliant |
TLV9001IDBVR 핀 구성
| 핀 1 | OUT — Amplifier output |
| 핀 2 | V- / GND — Negative supply (ground for single-supply operation) |
| 핀 3 | IN+ — Non-inverting input |
| 핀 4 | IN- — Inverting input |
| 핀 5 | SHDN — Active-low shutdown; tie high or float for normal operation |
일반적인 애플리케이션
TLV9001IDBVR 적합 용도: 6 애플리케이션s: Smoke Detector Front-End Amplifier, Wearable Health Monitoring Sensor Conditioning, Portable Audio Gain Stage, Small Appliance Sensor Conditioning, Battery-Powered IoT Sensor Node, Automotive Infotainment Signal Conditioning.
Smoke Detector Front-End Amplifier
The TLV9001IDBVR is well-suited as the front-end amplifier in photoelectric smoke detectors, where it conditions the photodiode current from the receiver chamber. Its 2 pA input bias current minimizes error when the photodiode dark current is in the nanoamp range, and the rail-to-rail output swing maximizes ADC dynamic range on 3 V battery rails. The integrated EMI/RFI filter rejects 900 MHz cellular and 2.4 GHz Wi-Fi interference that commonly affects residential detectors. According to TI, the 1 MHz bandwidth is plenty for the slow 100 Hz-to-1 kHz ionization/photoelectric signals.
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Wearable Health Monitoring Sensor Conditioning
In wearable fitness and health monitors (heart-rate, SpO2, body-temperature), the TLV9001IDBVR delivers clean sensor amplification while drawing only 60 uA. The rail-to-rail input range is essential when amplifying small biopotential signals sitting near 0 V on a 1.8 V or 3.3 V supply. The 2 V/us slew rate captures PPG pulse waveforms with adequate fidelity, while the SOT-23-5 package fits inside space-constrained wristband and patch form factors. Per TI, the shutdown pin can reduce idle current to 5 pA, enabling >6-month coin-cell battery life with duty-cycled sensing.
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Portable Audio Gain Stage
The TLV9001IDBVR provides a low-cost gain stage for portable audio peripherals such as Bluetooth speakers, headphones, and intercom voice paths. The 4.7 nV/√Hz input voltage noise is acceptable for line-level audio signal conditioning at the front of the signal chain, while the rail-to-rail output delivers full-scale DAC output to line-out drivers. Operated from a 3.3 V to 5 V Li-ion supply, the 60 uA quiescent current is negligible compared to the speaker amplifier stage. The device is unity-gain stable and drives capacitive loads up to 500 pF (audio cables), simplifying PCB layout.
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Small Appliance Sensor Conditioning
In washing machines, refrigerators, and small appliances, the TLV9001IDBVR conditions low-frequency analog signals from temperature, pressure, level, and current sensors. Its 1.8 V to 5.5 V supply range adapts to 3.3 V MCU rails and 5 V legacy power, and the integrated EMI filter rejects the 50 Hz/60 Hz mains noise and the switching noise from variable-frequency motor drives common in modern compressors. Rail-to-rail output maximizes ADC dynamic range, important for cost-sensitive 10-bit MCU ADCs. The 40 mA output current also lets the op amp directly drive LED indicators and relay coils without buffer transistors.
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Battery-Powered IoT Sensor Node
In wireless sensor nodes using LoRa, BLE, or Zigbee, the TLV9001IDBVR serves as a low-standby-current amplifier for periodic sensor sampling. The shutdown pin can be tied to a GPIO to power-cycle the sensor between transmissions, dropping Iq to 5 pA. This duty-cycling typically extends battery life 10x to 100x in 1% duty-cycle applications such as utility metering and remote environmental monitoring. The SOT-23-5 package and 1 MHz bandwidth balance size, cost, and bandwidth for sensing temperature, humidity, or gas sensor outputs.
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Automotive Infotainment Signal Conditioning
For non-safety automotive applications such as infotainment remote-button interfaces, HVAC control potentiometers, and steering-wheel audio switches, the TLV9001IDBVR (-Q1 version for automotive grade) provides qualified analog signal conditioning. The rail-to-rail performance handles 0 V to 5 V direct-from-sensor signals on a 5 V CAN/LIN supply, and the integrated EMI filter rejects automotive noise from switch-mode power and motor drivers. While not AEC-Q100 qualified, the standard grade part is widely used in non-safety subsystems; designers targeting safety-critical systems should select the TLV9001-Q1 version per TI's product roadmap.
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추천 제품 요약
엔지니어링 참조 데이터: TLV9001IDBVR — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | TLV9001IDCKR | TLV9001DBVR | TLV9061IDBVR | TLV6001IDBVR | TLV376IDBVR |
|---|---|---|---|---|---|---|
| Package | SOT-23-5 (DBV) | SOT-23-5 - same | SOT-23-5 - same | SOT-23-5 - same | SOT-23-5 - same | SOT-23-5 - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Channels | 1 | 1 | 1 | 1 | 1 | |
| Unity-Gain Bandwidth | 1 MHz | 1 MHz | 10 MHz | 1 MHz | 1 MHz | |
| Quiescent Current | 60 uA | 60 uA | 60 uA (typical) | 75 uA | 50 uA | |
| Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 2.5 V to 5.5 V | |
| Slew Rate | 2 V/us | 2 V/us | 10 V/us | 2 V/us | 2 V/us | |
| Rail-to-Rail Input | Yes | Yes | Yes | Yes | Yes | |
| Shutdown Pin | Yes (active-low) | Yes (active-low) | Variant-dependent | Yes | Yes |
주요 차별점
- Integrated active-low shutdown pin in SOT-23-5 (vs TLV6001IDBVR)
- 1 MHz bandwidth with 60 uA quiescent current (vs LM358)
- Pin-compatible with TLV9061 family (10 MHz upgrade path) (vs TLV9061IDBVR)
설계 노트
For battery-powered sensor applications, use the TLV9001IDBVR's SHDN pin (pin 5) tied to a GPIO to duty-cycle the amplifier. According to TI, shutdown current is 5 pA (typical), and enabling the part again in microseconds makes pulse-sampling viable. Add 100 kohm pull-up on the SHDN pin if the GPIO is high-impedance in reset, ensuring the part does not power up in shutdown unintentionally. Bypass V+ with 100 nF + 1 uF ceramic capacitor placed within 5 mm of the supply pin for stable operation.
Keep input traces short and shield them with a grounded trace or guard ring when the source impedance is high (> 100 kohm). The TLV9001's 2 pA input bias current is very low, but PCB leakage from flux residue or humidity can dominate. Place 100 nF bypass as close as possible to the supply pin; route input traces away from the switching converter's dV/dt nodes to avoid injection of common-mode glitches. Estimated: With 1 V/us dV/dt on a near trace and 10 pF stray capacitance, approximate coupled noise of 10 mV is possible - a guard trace reduces this by 10x.
The TLV9001IDBVR is unity-gain stable and rated for capacitive loads up to 500 pF. When driving an ADC sample-and-hold input, isolate the kickback with a 100 ohm series resistor to prevent oscillation. The RFI/EMI rejection filter at the inputs is per TI rated for common-mode rejection above 50 dB at 900 MHz, making the part suitable for cellular/Wi-Fi environments. For high-frequency precision gain stages, select a faster op amp such as the TLV9061 (10 MHz).
Do not leave SHDN floating - the SOT-23-5 variant does not have an internal pull-up. If the host GPIO tri-states during reset, the part may power up in shutdown unexpectedly, causing zero output. Always use a 100 kohm external pull-up or drive the pin deterministically. Avoid operating above 5.5 V (absolute maximum); a small series resistor or TVS diode can protect against USB or other transient sources. Estimated: For a 5 V supply, max power dissipation is 60 uA x 5 V = 300 uW, well below SOT-23-5 thermal limits - safe for normal operation.
규정 준수 정보
RoHS compliant per TI product page. Standard TLV9001IDBVR is NOT AEC-Q100 qualified; use the TLV9001IDBVR-Q1 (automotive grade) variant for AEC-Q100 applications. Halogen free per TI MSL documentation.
