MC33202D - Dual Rail-to-Rail Op Amp | onsemi
MPN： MC33202D ✓ 啟用中MC33202D 概覽
An operational amplifier is an analog integrated circuit that compares an input signal with a feedback-defined reference and amplifies the difference between them. In the broader hierarchy, the MC33202D belongs to the operational-amplifier class, then to the amplifier-IC category, and ultimately to the semiconductor and signal-processing markets. Rail-to-rail input operation allows the input common-mode range to extend toward the supply rails, while rail-to-rail output operation improves dynamic range when the output must approach either supply limit.
The primary headline features are the 1.8 V to 12 V supply range, dual-channel configuration, and rail-to-rail input and output capability. The 8-pin SOIC package provides a conventional surface-mount footprint suitable for standard PCB assembly methods. Its -40°C to +105°C temperature range makes it relevant to industrial, instrumentation, communications, and consumer applications that require operation across an extended temperature span.
MC33202D belongs to the MC33201/MC33202/MC33204 family of low-voltage, rail-to-rail operational amplifiers. The family architecture is intended for low-voltage analog systems in which signal levels may occupy much of the available supply range. Because the device is supplied in a dual amplifier configuration, a complete two-channel circuit can be implemented without selecting two separate single-channel packages, reducing board area and simplifying component procurement.
Typical applications include sensor-signal conditioning, low-voltage audio and communications paths, transducer amplification, general-purpose voltage amplification, and dual-channel filtering or feedback networks. For instrumentation applications, the rail-to-rail input characteristic can reduce the need for additional mid-supply biasing when signals vary over a broad range. In communications systems, the low operating voltage can simplify compatibility with modern low-voltage supply rails.
Design the surrounding decoupling, input common-mode range, output load, and stability network carefully. Place the power-bypass capacitor close to the supply pins, maintain the device within its specified supply-voltage and temperature limits, and verify the intended feedback topology across the required signal bandwidth. The manufacturer datasheet should be used as the controlling reference for electrical characteristics, limit values, and test conditions.
This page organizes the MC33202D datasheet information, pin-compatible replacement candidates, package details, and engineering guidance in a form that helps designers evaluate the amplifier, compare drop-in options, and plan an 8-pin SOIC implementation without relying on generic amplifier-selection advice.
直接替換替代品，適用於 MC33202D — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MC33202D （相同外形與佔位） — 差異在於 Package, Number of Channels, Output Swing, Amplifier Type, Gain Bandwidth Product.
MC33272ADR2G
✅ 直接替換📋 參考替代品（不在目錄中）
TLV9102
✅ 直接替換📋 參考替代品（不在目錄中）
TLV9152IDBVR
✅ 直接替換聯絡詢價
查看資料表 →TLV9352IDR
✅ 直接替換聯絡詢價
查看資料表 →TLV9302
✅ 直接替換📋 參考替代品（不在目錄中）
MC33202D 最大額定值與電氣特性
| Amplifier Type | Operational Amplifier |
| Number of Channels | 2 channels |
| Supply Voltage Range | 1.8 V to 12 V |
| Input Common-Mode Range | Rail-to-rail |
| Output Swing | Rail-to-rail |
| Operating Ambient Temperature | -40°C to +105°C |
| 封裝 | 8-pin SOIC |
| 安裝類型 | Surface mount |
| 腳位數 | 8 pins |
MC33202D 8-pin soic 腳位配置指南
MC33202D（8-pin soic 封裝）的腳位配置。 此類比元件具有輸入、輸出與電源腳位。偏移歸零、補償與致能腳位配置請參閱製造商資料表。適用於訊號調理與放大器電路。
無詳細腳位定義資料： MC33202D.
請參閱 資料表 以查看完整腳位配置。
典型應用
MC33202D 適用於 6 應用s: Industrial Sensor Signal Conditioning, Low-Voltage Communications Interface, Portable Battery-Powered Measurement, Audio and Voice Signal Amplification, Precision Voltage Buffering, Dual-Channel Active Filtering.
Industrial Sensor Signal Conditioning
The MC33202D fits two-channel sensor conditioning because it combines rail-to-rail input and output operation with a 1.8 V to 12 V supply range and a -40°C to +105°C operating-temperature specification. One amplifier channel can amplify a low-level sensor output while the other can buffer the reference or provide gain and filtering. Rail-to-rail input capability is useful when the sensor signal approaches a supply rail, while rail-to-rail output capability preserves more of the available signal range. The 8-pin SOIC package also allows two analog functions to share one PCB footprint.
推薦
Low-Voltage Communications Interface
The MC33202D is suitable for low-voltage communications-interface circuitry where signals must be conditioned close to the available supply rails. Its 1.8 V to 12 V operating range fits modern low-voltage systems, while the dual configuration can process two related channels or provide gain in one path and buffering in the other. Rail-to-rail inputs help accept a broad signal range, and rail-to-rail outputs improve headroom. Before finalizing a communications design, verify bandwidth, slew rate, output-current capability, and noise against the manufacturer datasheet.
推薦
Portable Battery-Powered Measurement
The MC33202D fits portable battery-powered measurement systems that benefit from operation down to a 1.8 V supply. Two channels can reduce the number of separate amplifier packages required for gain, buffering, and active filtering. The rail-to-rail input range improves utilization of the available signal span, while the rail-to-rail output stage can deliver a larger useful output swing. The 8-pin SOIC package supports compact surface-mount layouts, although power consumption and output-current limits must be checked for the selected battery operating point.
推薦
Audio and Voice Signal Amplification
The MC33202D can be used in small-signal audio and voice-processing paths that require low-voltage operation and two amplifier channels. One channel may provide preamplification while the other can act as an output buffer or active-filter stage. The 1.8 V to 12 V supply range supports low-energy systems, and rail-to-rail input and output behavior provides useful signal headroom within a restricted voltage envelope. Audio suitability still depends on the datasheet noise, bandwidth, slew-rate, and output-drive characteristics for the intended impedance and frequency range.
推薦
Precision Voltage Buffering
The MC33202D is appropriate for voltage buffering and impedance-conversion applications in which the source must drive a higher-impedance downstream circuit. Its two channels can buffer two related nodes, or one channel can perform gain while the other provides isolation. Rail-to-rail input and output operation helps preserve signal range near the supply limits in low-voltage systems. The device must still be checked for offset voltage, bias current, stability with capacitive loading, and output-current capability, because those characteristics determine whether it can meet a precision-buffer requirement.
推薦
Dual-Channel Active Filtering
The MC33202D can implement a pair of related active-filter or feedback stages where a dual amplifier reduces package count. Its 1.8 V to 12 V supply range permits operation from low-voltage analog rails, and the rail-to-rail input characteristic offers flexibility when the signal occupies much of the available common-mode range. Two filter channels also allow matched signal paths when their external networks are carefully matched. Confirm gain-bandwidth product, slew rate, output swing, and stability requirements from the onsemi datasheet before selecting component values and setting the operating gain.
推薦
推薦產品摘要
工程參考資料，適用於 MC33202D — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MC33272ADR2G | TLV9102 | TLV9152 | TLV9352 | TLV9302 |
|---|---|---|---|---|---|---|
| Brand | onsemi | onsemi | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 8-pin SOIC | 8-pin SOIC | 8-pin SOIC | 8-pin SOIC | 8-pin SOIC | 8-pin SOIC |
主要差異化特點
- Higher stated maximum supply voltage (對比TLV9302)
- Wide documented operating-temperature range (對比TLV9102)
- Rail-to-rail operation at both stages (對比MC33272ADR2G)
- Two channels in one 8-pin SOIC (對比TLV9152)
設計說明
Place the power-bypass capacitor immediately between the supply and ground pins, with a short and low-inductance return path. Keep input and feedback components close to the relevant amplifier pins so that board-trace capacitance does not destabilize the selected noise-gain configuration. If both channels are used, provide local supply bypassing for each section where the layout permits rather than relying on a single remote capacitor.
Do not assume that every SOIC-8 dual amplifier is pin-compatible. Compare the MC33202D pin table with the candidate device, including input and output assignments, supply pins, and unused pins. Also verify that the replacement supports the complete 1.8 V to 12 V supply range required by the design. Package fit alone does not guarantee equivalent offset, bandwidth, stability, or output-drive behavior.
Choose the external resistor and capacitor values from the manufacturer stability and frequency-response guidance rather than assuming that every rail-to-rail amplifier supports the same noise gain. Add output isolation when driving a capacitive load, and check the resulting bandwidth and transient response. These precautions are particularly important when the source impedance is high or the feedback network introduces additional poles.
Estimate the amplifier's power dissipation from the actual supply voltage, output voltage, load current, and quiescent current before releasing the design. The MC33202D is specified for an ambient-temperature range of -40°C to +105°C, but package dissipation limits and the PCB copper area determine the achievable internal temperature. Provide adequate thermal copper and verify that the worst-case operating point remains below the manufacturer limits.
合規資訊
The available technical listing identifies MC33202D as a general-purpose dual operational amplifier but does not provide specific RoHS, REACH, lead-free, halogen-free, or conflict-minerals statements.