TLV0832CD - 8-Bit 44.7kSPS Dual-Input ADC | Texas Instruments
MPN： TLV0832CD ✓ 啟用中TLV0832CD 概覽
An ADC converts an analog voltage into a digital code. A successive-approximation ADC, or SAR ADC, performs conversion by comparing the input with a sequence of internally generated reference voltages. TLV0832 places this function in the hierarchy of analog-to-digital converters, data converters, signal-chain ICs, and integrated circuits.
Its principal features include 8-bit resolution, 44.7 kSPS conversion throughput, two multiplexed channels, software-selectable single-ended or differential input operation, and an adjustable voltage-reference input. Ratiometric operation and operation relative to the supply voltage can suit sensors whose output tracks a measured quantity or supply rail. The serial output can communicate with shift registers or microprocessors.
The TLV0832 architecture is appropriate where modest resolution is sufficient and compactness, low supply voltage, and simple serial control matter more than high-resolution conversion. Its differential mode can support common-mode rejection or shifting the analog zero-input voltage, while an adjusted reference allows a smaller analog span to use the full 8-bit code range.
Typical applications include industrial control, battery-powered instrumentation, sensor interfaces, consumer equipment, embedded measurement, and low-cost data-acquisition systems. Differential input can improve measurement of small signals in noisy analog environments, provided the input and reference limits are respected.
Designers should verify the exact pinout, supply range, reference behavior, acquisition timing, and input common-mode limits from the manufacturer datasheet. Decoupling should be placed close to the supply pins, and the analog source impedance must be compatible with the SAR input and sampling network.
This page consolidates verified distributor specifications, manufacturer product information, replacement constraints, and practical design guidance. It also distinguishes verified drop-in choices from incomplete cross-reference results rather than presenting unverified parts as replacements.
直接替換替代品，適用於 TLV0832CD — 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。
TLV0832CDR
✅ 直接替換📋 參考替代品（不在目錄中）
TLV0832CDG4
✅ 直接替換📋 參考替代品（不在目錄中）
TLV0832CD 最大額定值與電氣特性
| 解析度 | 8 bit |
| Conversion Throughput | 44.7 kSPS |
| Architecture | Successive-approximation ADC |
| Analog Input Channels | 2 multiplexed channels |
| Input Configuration | Single-ended or differential |
| 供應電壓 | 3.6 V |
| Output Interface | Serial output |
| Microprocessor Interface | Supported |
| Reference Operation | Adjustable reference input; ratiometric operation or VCC reference |
| Input Range | 0 V to VCC |
| 封裝 | 8-SOIC |
| 工作溫度範圍 | -40 °C to +85 °C |
| 安裝類型 | Surface mount |
| Datasheet Download | Available from Texas Instruments |
TLV0832CD 8-soic 腳位配置指南
TLV0832CD（8-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： TLV0832CD.
請參閱 資料表 以查看完整腳位配置。
典型應用
TLV0832CD 適用於 6 應用s: Industrial Sensor Measurement, Battery-Powered Instrumentation, Embedded Data Acquisition, Consumer Control Panels, Portable Sensor Interfaces, Process Control Monitoring.
Industrial Sensor Measurement
The TLV0832CD fits low-voltage industrial sensor interfaces where an 8-bit result is sufficient for monitoring temperature, position, level, or process variables. Its 44.7 kSPS throughput provides rapid sequential sampling, while two multiplexed inputs can reduce the number of separate converter channels. Single-ended operation suits sensors referenced to the supply or ground; differential operation can help reject common-mode voltage or shift the zero point. The 3.6 V supply and 8-SOIC package support compact controller boards. Verify sensor output swing, source impedance, sampling settling time, and the exact channel-selection timing in the manufacturer datasheet.
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Battery-Powered Instrumentation
The TLV0832CD is suitable for battery-operated measurement equipment because its verified 3.6 V supply class aligns with common low-energy analog systems. The 8-bit resolution can represent a quantized measurement without the complexity of a higher-resolution converter, and the 44.7 kSPS rate supports responsive updates when the instrument does not require continuous high-bandwidth acquisition. Differential inputs may be valuable when the sensed quantity is small or referenced around a nonzero common-mode voltage. Battery design still requires checking quiescent current, shutdown behavior, reference stability, and input leakage; those values are not provided in the supplied excerpts.
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Embedded Data Acquisition
The TLV0832CD can serve as a compact data-acquisition front end for embedded products that periodically measure two analog channels. Its multiplexed twin inputs allow the controller to select channels through the serial interface, while the 44.7 kSPS conversion rate supports sampling loops faster than many slow sensor systems. The 8-bit output is appropriate for basic control, status, and trend information rather than laboratory-grade analysis. Place the converter close to the analog source, maintain a quiet return path, and use the manufacturer timing information to allow acquisition and conversion intervals to settle correctly.
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Consumer Control Panels
The TLV0832CD is applicable to consumer equipment requiring inexpensive analog monitoring, such as set-point detection, key or slider sensing, and simple feedback loops. Its 8-SOIC package is easy to route on a conventional PCB, and the serial output avoids requiring a high-speed parallel ADC bus. Two multiplexed inputs can monitor two control quantities in a compact design. The converter should be placed away from switching nodes and high-current return paths, with local supply bypassing and controlled grounding. Firmware must account for the serial protocol and any acquisition delay rather than assuming an instantaneous conversion.
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Portable Sensor Interfaces
The TLV0832CD can be used in portable devices that need a compact ADC for accessory or environmental sensors. The 8-bit resolution reduces data volume and processing burden compared with a higher-resolution converter, while 44.7 kSPS is sufficient for many slowly changing measurements. A differential sensor connection may improve usable signal margin when the sensor output is centered near an analog bias voltage. The input range remains constrained to the verified 0 V to VCC specification, so sensor outputs must be conditioned when they exceed that range. Validate battery transients, grounding, reference noise, and the converter’s settling behavior in the final layout.
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Process Control Monitoring
The TLV0832CD is suitable for supervisory process-control functions where a controller must monitor two analog conditions rather than perform high-resolution closed-loop measurement. The two multiplexed channels and 44.7 kSPS rate allow responsive monitoring of pressure, flow, level proxies, or actuator feedback. Differential mode can reject common-mode disturbances when the analog signal is small, while adjustable reference operation can scale a restricted span across the converter’s 8-bit range. The design must include input protection, appropriate filtering, and calibration because ADC accuracy also depends on reference stability, source impedance, and analog signal conditioning. Use the official datasheet for limits not present in the supplied search data.
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推薦產品摘要
工程參考資料，適用於 TLV0832CD — 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 | TLV0832CDR | TLV0832CDG4 |
|---|---|---|---|
| Package | 8-SOIC | 8-SOIC | 8-SOIC |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Resolution | 8 bit | 8 bit | 8 bit |
| Input Channels | 2 multiplexed inputs | 2 multiplexed inputs | 2 multiplexed inputs |
| Serial Interface | Serial output | Serial output | Serial output |
主要差異化特點
- Two multiplexed inputs with selectable single-ended or differential operation (對比TLV0832CDR)
- 44.7 kSPS throughput in an 8-bit converter (對比TLV0832CDG4)
- Serial-output integration with two-channel multiplexing (對比TLV0832CDR)
設計說明
Place the required supply-decoupling capacitor close to the TLV0832CD power pins and route the connection with a short, low-inductance path. The verified device description identifies a 3.6 V supply class and an adjustable reference, but capacitor values, supply tolerance, current consumption, and startup limits are not supplied in the excerpts. Use the manufacturer recommended values in the official datasheet and size any additional filtering for the actual source impedance rather than copying an unverified generic value.
Keep the analog input traces short, quiet, and separated from serial clock, digital control, switching-regulator, and high-current return paths. The TLV0832CD is a SAR ADC, so the source impedance at IN+ and IN− and the acquisition interval determine whether the sampling capacitor settles sufficiently before conversion. Confirm the source-impedance and acquisition-time limits in the datasheet; if the sensor is slow or high impedance, add a suitable buffer instead of relying on PCB capacitance.
Use a continuous ground reference beneath and around the converter where practical, with analog and digital returns arranged to prevent converter current from sharing the sensitive input-reference path. The TLV0832CD uses two multiplexed inputs and can support differential or single-ended operation, so symmetry and controlled routing around IN+ and IN− can matter when common-mode rejection is important. Confirm the exact SOIC pin numbers from the official datasheet before final routing; the supplied excerpts do not provide the complete pin map.
合規資訊
The supplied verified data does not state environmental or automotive compliance for TLV0832CD. RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-mineral status must be confirmed from the current manufacturer product documentation or supplier declarations.
