TLV342ID - Dual 5.5V 2.2MHz RRO Op Amp | Texas Instruments
부품 번호: TLV342ID ✗ 단종| 수량 | 단가 | 합계 |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
TLV342ID 개요
A CMOS operational amplifier is an analog integrated circuit that amplifies the difference between two input voltages while using high-impedance inputs and CMOS-compatible low-power characteristics. The TLV342 family belongs to the broader operational-amplifier hierarchy: op amp -> analog IC -> amplifier IC. Its rail-to-rail output architecture is useful when the usable signal range must extend close to the positive or negative supply rail, while the low-voltage operation suits battery-powered, portable, industrial-control, sensor-interface, and low-voltage signal-chain systems.
Verified manufacturer information states that the TLV34xx family includes low-voltage, low-power devices with rail-to-rail output swing. The supplied family data also identifies PMOS input-stage characteristics including 1 pA typical input bias current and 0.3 mV typical offset voltage, although those figures should be checked against the specific ordering information and grade. The TLV342ID is identified as a dual circuit in 8-SOIC, while the family also includes single and dual variants. The product page describes the TLV342 as a dual 5.5 V, 2.2 MHz operational amplifier.
Typical applications include low-voltage sensor conditioning, buffered analog measurements, audio and communication signal paths, current-loop interfaces, and general-purpose dual-amplifier circuits. The SOIC package provides a familiar surface-mount footprint, but the exact pin names and electrical limits must be taken from the manufacturer datasheet before layout or replacement qualification. Because the available verified snippets do not provide the complete price schedule, pin table, package drawing, or all electrical limits, those fields are marked as data needed rather than inferred.
For robust design practice, verify the supply-voltage range, input common-mode range, output swing, unity-gain stability, input capacitance, shutdown behavior, and exposed thermal conditions in the applicable Texas Instruments datasheet. Do not treat rail-to-rail output as proof that the input common-mode range reaches either supply rail. Confirm the exact TLV342ID pinout and PCB land pattern before substituting any part. This page combines verified product descriptions, source links, application guidance, and explicit data gaps to support engineering comparison without fabricating unavailable specifications.
드롭인 대체품: TLV342ID — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
TLV342IDR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
TLV342AIDR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
TLV342ID 최대 정격 & 전기적 특성
| Product Type | Dual CMOS operational amplifier |
| Number of Amplifiers | 2 circuits |
| 공급 전압 | 5.5 V maximum |
| Gain-Bandwidth Product | 2.2 MHz |
| Output Architecture | Rail-to-rail output |
| Input Bias Current | 1 pA typical for the described PMOS input stage |
| Offset Voltage | 0.3 mV typical for the described family |
| Device Family | TLV34xx low-voltage CMOS operational amplifier family |
| Target Package | 8-SOIC |
| 실장 유형 | Surface mount |
| Circuit Description | Dual low-voltage, rail-to-rail-output CMOS operational amplifier |
TLV342ID 8-soic 핀 구성 가이드
TLV342ID(8-soic 패키지)의 핀 구성입니다. 이 아날로그 부품에는 입력, 출력, 전원 공급 핀이 있습니다. 오프셋 널, 보상, 인에이블 핀 구성은 제조사 데이터시트를 참조하십시오. 신호 컨디셔닝 및 증폭기 회로에 이상적입니다.
다음에 대한 상세 핀아웃 데이터 없음: TLV342ID.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
TLV342ID 적합 용도: 6 애플리케이션s: Low-Voltage Sensor Buffering, Battery-Powered Analog Front End, Audio Signal Conditioning, Current-Loop Signal Interface, Portable Device Analog Interface, Communications Receive Path.
Low-Voltage Sensor Buffering
The TLV342ID is a dual CMOS op amp with rail-to-rail output and a verified 2.2 MHz gain-bandwidth product, making it a reasonable candidate for buffering two low-voltage sensor channels. The PMOS input-stage description cites 1 pA typical input bias current, which can help when the sensor source impedance is high and leakage would otherwise disturb the measurement. In a typical circuit, each amplifier follows the sensor node while a feedback network establishes gain and limits bandwidth. The designer should verify the exact input common-mode range, offset limits, output swing, and noise before selecting resistor values. The 8-SOIC package also allows the two channels to share a compact footprint, but decoupling, guarding, and ground return layout remain important.
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Battery-Powered Analog Front End
The TLV342ID fits the low-voltage, low-power signal-chain category identified by Texas Instruments and can be evaluated for battery-powered analog front ends. Its rail-to-rail output can improve usable signal headroom when the amplifier operates near a low supply voltage, while the dual configuration provides two independent amplifiers for gain, filtering, or monitoring. The verified 2.2 MHz gain-bandwidth product is useful for many low-frequency sensor paths, but it does not replace a complete power-consumption calculation. Verify supply current, quiescent behavior, shutdown support, output load, and battery voltage range from the exact datasheet. In a real design, place bypass capacitors close to the supply pins and keep high-impedance input traces short to reduce leakage and pickup.
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Audio Signal Conditioning
The TLV342ID may be used in small-signal audio conditioning circuits when its verified rail-to-rail output and 2.2 MHz gain-bandwidth product meet the system requirements. Rail-to-rail output helps preserve signal swing in a low-voltage design, and the dual package can process two audio-related channels or implement gain and buffering functions. The available verified data does not specify total harmonic distortion, input noise, slew rate, output-current capability, or channel separation, so those parameters must be checked before selecting it for demanding audio paths. Use short, shielded routing where appropriate, maintain a clean return path, and verify the required output amplitude against the load. The family description's low input bias current is helpful for high-impedance sources, but it is not a substitute for input-referred noise analysis.
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Current-Loop Signal Interface
A low-voltage dual op amp can be evaluated for current-loop signal conditioning when the loop bandwidth is compatible with the verified 2.2 MHz gain-bandwidth product. The TLV342ID's rail-to-rail output may help generate or buffer signals near low supply rails, while its low-power CMOS positioning is relevant to compact instrumentation. The exact common-mode range, output swing, offset, and supply limits must be confirmed for the actual sensor current and receiver architecture. In practice, the two channels can provide separate functions such as signal amplification and filtering, or monitor a differential signal with careful layout. Use an instrumentation amplifier arrangement only if input bias, offset, noise, and common-mode rejection meet the measurement specification. PCB leakage and guard-ring design can be significant when loop currents are small.
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Portable Device Analog Interface
The TLV342ID is relevant to portable-device analog interfaces because it combines a dual-amplifier configuration, low-voltage operation, rail-to-rail output, and a 2.2 MHz verified bandwidth in an 8-SOIC package. It can be considered for sensor hubs, battery monitors, touch-related signal conditioning, or low-voltage control loops when the device's complete electrical limits match the system. Rail-to-rail output can reduce wasted headroom, while the two channels can reduce the number of separate amplifier packages. Before layout, verify whether the exact TLV342ID orderable includes the shutdown function shown for related family packages, because shutdown availability and pin usage must not be assumed. Check battery transients, output drive, input protection, and the thermal margin of the SOIC assembly.
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Communications Receive Path
The TLV342ID can be evaluated for low-voltage communications receive paths where a small-signal amplifier must operate near the supply rails and process two related channels. The verified 2.2 MHz gain-bandwidth product provides a useful starting point for many baseband or control-signal conditioning applications, while rail-to-rail output can improve headroom. It should not be assumed to meet high-frequency, low-noise, or high-linearity communication requirements without checking the complete datasheet. In implementation, keep the RF or digital communication section separate from the analog return path, terminate inputs according to the source impedance, and use stable feedback compensation with the intended load. The exact supply current, noise density, slew rate, and common-mode range are marked as data needed because they are not present in the verified search excerpts.
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추천 제품 요약
엔지니어링 참조 데이터: TLV342ID — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | TLV342IDR | TLV342AIDR |
|---|---|---|---|
| Product Type | Dual CMOS operational amplifier | Related TLV342 family variant | Related TLV342 A-grade family variant |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 8-SOIC | 8-SOIC | 8-SOIC |
| Number of Amplifiers | 2 circuits | 2 circuits | 2 circuits |
주요 차별점
- Dual amplifier in the verified 8-SOIC package (vs TLV342IDR)
- Verified 2.2 MHz gain-bandwidth positioning (vs TLV342AIDR)
- Rail-to-rail output for low-voltage signal headroom (vs TLV342AIDR)
설계 노트
Do not assume that rail-to-rail output implies rail-to-rail input. The verified data identifies the TLV342 family as rail-to-rail output, but the exact TLV342ID input common-mode range, output swing, and supply-current limits are not included in the supplied excerpts. Before selecting feedback resistors or setting a sensor input range, compare the actual signal and output limits against the manufacturer datasheet. This prevents a design from relying on an input range that may be narrower than the supply rails.
Place supply bypass capacitors close to the amplifier power pins and route the return current through a compact ground reference. For high-impedance sensor inputs, keep traces short, minimize solder-flux residue, and use guarding when leakage matters. The verified family description cites 1 pA typical input bias current, but board contamination and humidity can become significant when the source impedance is high. The dual 8-SOIC footprint should be checked against the manufacturer land pattern before layout signoff.
Use the TLV342ID's verified 2.2 MHz gain-bandwidth product only as an initial closed-loop bandwidth estimate. Actual response depends on the selected gain, feedback topology, load capacitance, supply voltage, and loop compensation. Add the required input and output filtering based on the source impedance and downstream converter specifications, and check stability with the real PCB and load. The available data does not include slew rate, noise density, or maximum capacitive-load guidance, so those values must be obtained from the datasheet.
규정 준수 정보
The supplied verified data identifies the product and package but does not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. These fields remain unknown rather than being inferred from the manufacturer or package.
