TLV0834ID - 8-Bit 41 kSPS 4-Channel ADC | Texas Instruments
料号： TLV0834ID ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.3014 | $1.30 |
| 10 | $1.25 | $12.50 |
| 100 | $1.1 | $110.00 |
| 500 | $0.95 | $475.00 |
| 1,000 | $0.85 | $850.00 |
TLV0834ID 概述
An ADC is a data-acquisition IC that converts an analog voltage into a digital code for processing, display, logging, or closed-loop control. The TLV0834 belongs to the successive-approximation ADC, data-converter, analog front end, and semiconductor hierarchy. Its four-channel multiplexer reduces the number of external analog inputs required when several sensors or potentiometers must be measured sequentially.
Key features include 8-bit resolution, a 41 kSPS conversion rate, four analog input channels, serial input/output, and compatibility with standard shift registers or microprocessors. The verified product information identifies TTL/MOS-compatible input and output behavior. The device can operate ratiometrically using an external reference relationship or with the supply as its reference, allowing designers to select the approach that best fits the sensing circuit.
The input-configurable multiplexer is central to its architecture. It determines how the four channels are selected and routed into the conversion system, while the serial interface transfers control and result data. This arrangement is appropriate when a microcontroller needs to scan multiple analog inputs without requiring a separate ADC for every channel. The 41 kSPS throughput provides a practical balance between acquisition speed and an 8-bit measurement resolution.
Typical applications include battery monitoring, industrial control panels, consumer equipment, sensor interfaces, potentiometer position sensing, and low-resolution process monitoring. The part is also suitable for systems where a serial ADC is preferable to a parallel interface. Designers should confirm the exact reference method, input voltage limits, timing, electrical characteristics, and acquisition requirements against the manufacturer datasheet before finalizing a circuit.
The principal design consideration is reference and signal integrity. Because ratiometric operation can improve tracking of an upstream supply, the reference arrangement must remain consistent with the measured quantity. Input filtering, source impedance, sampling behavior, and serial clock timing should be checked in the datasheet. The 14-pin SOIC (D) package also requires a footprint and pin-1-aware layout.
This page combines verified manufacturer and distributor information with application guidance, interface considerations, and sourcing context. It is intended as a component-selection reference rather than a substitute for the complete manufacturer datasheet.
直接替换替代料： TLV0834ID ——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： TLV0834ID （相同外形与封装尺寸） ——差异在于 Package, Supply Voltage, Analog Input Range, Architecture, Input Type.
快速对比工具——选择替代料号进行并排对比：
TLV0834CDR
✅ 直接替换📋 参考替代料（不在目录中）
TLV0834ID 最大额定值与电气特性
| 分辨率 | 8 bit |
| Conversion Rate | 41 kSPS |
| Architecture | Successive-approximation ADC |
| Input Channels | 4 channels |
| Input Multiplexer | Input-configurable multichannel multiplexer |
| Serial Interface | Serial input/output |
| Reference Mode | Ratiometric operation or VCC reference |
| Interface Compatibility | TTL/MOS input and output compatible |
| 电源电压 | 3 V |
| Supply Operating Range | 3 V device supply |
| Analog Input Range | 0 V to VCC with VCC reference |
| 封装 | 14-pin SOIC (D) |
| 安装类型 | Surface mount |
| Control Interface | Serial input/output configured for shift registers or microprocessors |
| Conversion Method | Successive approximation |
| Output Logic | TTL/MOS compatible |
TLV0834ID 14-pin soic (d) 引脚配置指南
TLV0834ID（14-pin soic (d) 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： TLV0834ID.
请参阅 数据手册 以查看完整引脚配置。
典型应用
TLV0834ID 适用于 6 应用s: Battery Monitoring, Industrial Sensor Acquisition, Potentiometer Position Sensing, Consumer Equipment Control, Process and Threshold Monitoring, Remote Analog Sensor Node.
Battery Monitoring
The TLV0834ID is suitable for monitoring one or more battery-related voltages when 8-bit resolution and 41 kSPS throughput are sufficient. Its four-channel input multiplexer lets a controller scan several divided battery or supply rails sequentially, reducing the need for separate converters. Ratiometric operation can be useful when the measurement reference is tied to a supply, while VCC-reference operation provides a direct 3 V-oriented reference choice. The designer should verify input limits, divider accuracy, source impedance, and acquisition timing in the Texas Instruments datasheet.
推荐
Industrial Sensor Acquisition
Use the TLV0834ID as a compact front end for low-bandwidth industrial sensors such as temperature, position, and resistive sensing elements. Its four analog channels support sequential sampling, and the 41 kSPS conversion rate is appropriate for control and monitoring loops that do not require 12-bit or higher resolution. The serial interface simplifies connection to a microcontroller or shift-register-based system. Proper analog filtering, input conditioning, reference design, and calibration are required for reliable measurements.
推荐
Potentiometer Position Sensing
The four-channel multiplexer makes the TLV0834ID a natural fit for multi-axis potentiometer or resistive position sensing. Each analog input can be sampled sequentially, while the serial interface reports results to a controller without requiring a parallel ADC bus. The 8-bit resolution can represent approximately 256 conversion levels, making it suitable for coarse position, menu, or calibration feedback rather than precision metrology. Confirm input range, source impedance, acquisition timing, and reference stability in the manufacturer datasheet.
推荐
Consumer Equipment Control
The TLV0834ID can support low-resolution analog control and status sensing in consumer equipment where a small serial ADC is preferable to a larger parallel converter. Four inputs can monitor controls, dividers, or sensor-derived voltages, while the 41 kSPS rate supports responsive control updates. Its 3 V-oriented supply and TTL/MOS-compatible interface are useful for compact embedded systems. Final selection should account for noise, reference accuracy, power consumption, and required operating temperature.
推荐
Process and Threshold Monitoring
The TLV0834ID is appropriate for low-resolution process monitoring where an 8-bit result is enough to detect a threshold, trend, or control state. Four channels allow multiple divided sensor signals to share one converter, and serial communication reduces wiring compared with a parallel ADC. The 41 kSPS rate supports periodic supervision loops, while the reference mode determines how the measurement tracks supply changes. Engineers should validate sensor bandwidth, settling time, calibration, and noise behavior in the final circuit.
推荐
Remote Analog Sensor Node
The TLV0834ID can serve as the local ADC in a remote sensor node when the measured quantity is modest in precision and the node uses a serial link. Its four-channel input arrangement supports multiplexed sensing, while the 8-bit result is useful for diagnostics, environmental levels, and actuator feedback. A low-power microcontroller such as STM32F030 or MSP430G2553 can acquire and process the measurements. The designer must budget for reference accuracy, analog noise, channel isolation, and communication latency.
推荐
推荐产品汇总
工程参考数据： TLV0834ID ——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 | TLV0834CDR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Package | 14-pin SOIC (D) | 14-SOIC |
| Resolution | 8 bit | 8 bit |
| Input Channels | 4 channels | 4 channels |
| Architecture | Successive-approximation ADC | 8-bit ADC |
关键差异点
- Four-channel input multiplexing （对比 TLV0834CDR)
- 41 kSPS conversion throughput （对比 TLV0834CDR)
- Documented reference flexibility （对比 TLV0834CDR)
设计说明
Define whether the conversion reference is ratiometric or tied to VCC before laying out the analog section. A ratiometric arrangement can reduce supply-related error when the measured signal shares the same supply reference, but the input divider and reference path must be designed consistently. Confirm the allowed input range, supply tolerance, reference behavior, and decoupling requirements in the Texas Instruments datasheet.
Place the TLV0834ID in the standard 14-pin SOIC (D) footprint with correct pin-1 orientation and verify the exposed pad configuration against the package drawing. Keep analog traces short and separate from serial clock and data routing where practical. Provide clean supply and ground connections, and check the manufacturer layout guidance for the selected reference method.
Treat the four analog inputs as potentially high-impedance sources and account for source impedance, sampling charge, input filtering, and channel-to-channel crosstalk. Series resistance or an appropriate buffer may be needed depending on the sensor network. Use the datasheet acquisition requirements to determine whether an input buffer or additional settling time is required.
Do not assume that the TLV0834 and TLV0834ID are equivalent solely because the family names are similar. Suffixes can affect ordering, packaging, temperature grade, or qualification. Likewise, the cross-reference result for TLV0834CDR is a candidate match, not a blanket guarantee. Compare the exact pinout, electrical limits, reference behavior, lifecycle status, and qualification documents before redesigning or substituting.
合规信息
The verified web data does not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations for TLV0834ID. These statuses are therefore not inferred.
