MPC507AP - 8:1 Differential Analog Mux | Texas Instruments
料号： MPC507AP ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MPC507AP 概述
An analog multiplexer is an interface IC that routes one of several physical inputs to a shared output according to digital address and enable signals. In differential operation, the MPC507AP selects one of eight paired inputs, reducing the number of downstream converters or signal-processing channels. Its hierarchy is analog multiplexer → multiplexer/demultiplexer → interface IC → semiconductor. Differential multiplexing is useful where two coupled signal lines must be selected together to preserve common-mode relationships.
The principal features include 8:1 differential operation, a 16 V rated signal range, 1.5 kOhm on-state resistance, and analog input overvoltage protection. According to the available manufacturer-family data, analog inputs may exceed a supply voltage without damaging the device or disturbing other channels. Break-before-make switching prevents two channels from conducting together during address transitions, an important consideration when the selected source can produce significant voltage.
The MPC507AP uses separate address and enable logic to control its analog routing. Digital control signals determine which differential pair connects to the common output, while the enable function places the device into a low-power state when it is not required. The verified search results also identify approximately 700 uA standby current and ±5 V to ±22 V supply-related information in distributor documentation, but the complete electrical limits must be confirmed in the manufacturer datasheet before final design release.
Typical uses include multi-channel instrumentation, differential sensor acquisition, automated test systems, data acquisition interfaces, and industrial control modules. The part is most appropriate when eight differential sources must reach one downstream signal chain and when a wired-through-hole 28-pin package is acceptable. The tradeoff is its legacy PDIP format and analog-switch resistance, which can matter in precision, high-speed, or space-constrained systems.
PCB layout should keep the mux output path short and provide a stable ground reference. Decoupling and protection requirements must follow the manufacturer datasheet, while unused digital inputs should be driven to defined levels rather than left floating. This page combines verified product information, distributor availability references, package details, and engineering guidance without inventing undocumented electrical limits.
直接替换替代料： MPC507AP ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
MPC507APG4
✅ 直接替换📋 参考替代料（不在目录中）
MPC507AP
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MPC507
✅ 直接替换📋 参考替代料（不在目录中）
MPC507AP 规格参数
| Product Type | 8:1 differential CMOS analog multiplexer |
| Number of Circuits | 2 circuits |
| Number of Channels | 8 differential channels |
| Rated Analog Signal Range | ±15 V |
| On-State Resistance | 1.5 kOhm |
| Standby Power Dissipation | 7.5 mW typical |
| Analog Overvoltage Protection | Yes |
| Channel Interaction During Overvoltage | No channel interaction during overvoltage |
| Switching Behavior | Break-before-make |
| Standby Current | 700 uA |
| 封装 | 28-pin PDIP |
| 引脚数量 | 28 pins |
| 安装类型 | Through-hole |
| Operating Temperature Grade | Industrial |
| Supply Information | ±5 V to ±22 V |
| Differential Multiplexer Configuration | Single-ended 16-channel or differential 8-channel operation |
MPC507AP 28-pin pdip 引脚配置指南
MPC507AP（28-pin pdip 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： MPC507AP.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MPC507AP 适用于 6 应用s: Differential Sensor Acquisition, Automated Test Equipment, Industrial Process Measurement, Audio Signal Routing, Data Acquisition Front Ends, Legacy Instrumentation Interfaces.
Differential Sensor Acquisition
The MPC507AP fits eight-channel differential sensor acquisition because it routes paired input signals through one shared analog output while preserving the differential relationship between the selected pair. Its verified ±15 V signal range and 1.5 kOhm on-state resistance are useful when conditioning thermocouple, strain-gauge, bridge, or instrumentation-amplifier inputs. The source impedance of the sensor and the ADC front end should be included in an error budget because the switch resistance contributes to signal attenuation and gain variation. Overvoltage protection is helpful when an input can transiently exceed the nominal signal range, but the absolute maximum input rating must be confirmed from the Texas Instruments datasheet.
推荐
Automated Test Equipment
The MPC507AP is suitable for automated test equipment that scans several differential test points into a common measurement chain. Its 8:1 differential organization reduces the number of external signal connections, while 700 uA standby current and 7.5 mW typical standby power are useful when many channels are not selected continuously. The 28-pin PDIP package is straightforward to route on a through-hole test fixture or legacy instrument board. Designers should account for the 1.5 kOhm on resistance when calculating measurement loading and should use break-before-make behavior to avoid connecting two external sources during address transitions.
推荐
Industrial Process Measurement
The MPC507AP can select multiple differential process signals for a controller or data logger when a legacy instrumentation interface is being retained. Its ±15 V analog range and industrial temperature-grade listing make it relevant to process-control equipment, subject to the complete electrical limits in the datasheet. The part's through-hole 28-pin PDIP package supports repairable and expandable controller boards. In a process plant, protect the mux inputs from transients, maintain a low-impedance reference, and avoid routing sensitive analog lines beside digital address signals. The 1.5 kOhm path resistance may require compensation when driving high-impedance inputs.
推荐
Audio Signal Routing
The MPC507AP may be used in specialized differential audio-routing equipment where eight balanced sources must be selected into one downstream signal path. Its differential multiplexer topology is preferable to tying unrelated single-ended inputs together, and the break-before-make characteristic helps prevent two active sources from being connected during a selection change. The verified data does not establish audio bandwidth, distortion, channel capacitance, or off-state isolation, so the device should not be assumed suitable for high-fidelity audio without checking the manufacturer datasheet. The 1.5 kOhm resistance can also interact with the input impedance of the following amplifier.
推荐
Data Acquisition Front Ends
The MPC507AP is a practical front-end selector for data-acquisition systems that need to share one analog channel among several differential inputs. The 8:1 arrangement helps simplify connector count and analog routing, while the verified overvoltage-protection feature can improve robustness when external inputs are not perfectly controlled. Use separate address and enable routing with defined logic levels, and place the mux close to the protected input connector to minimize noise pickup. Since the supplied data does not specify bandwidth, capacitance, leakage, and logic thresholds, the complete MPC507AP datasheet is required before setting the sampling rate or ADC acquisition time.
推荐
Legacy Instrumentation Interfaces
The MPC507AP is suited to maintaining or repairing legacy instrumentation that already uses a 28-pin PDIP analog multiplexer. Its differential 8:1 architecture preserves balanced-pair routing, and the through-hole package allows conventional insertion or socket replacement on older boards. For a modernization project, verify the original pinout, address polarity, enable polarity, supply tolerances, and input-protection circuitry before substitution. The component's legacy package can be advantageous for repair inventory and fixture compatibility, but it consumes more board area than a modern surface-mount multiplexer. Use the manufacturer datasheet and the original schematic as the authoritative references for any retrofit.
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推荐产品汇总
工程参考数据： MPC507AP ——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 | MPC507APG4 | MPC507 | MPC507AP |
|---|---|---|---|---|
| Product Type | 8:1 differential CMOS analog multiplexer | MPC507A-family analog multiplexer | 8:1 differential analog multiplexer | 8:1 differential analog multiplexer |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 28-pin PDIP | 28-pin PDIP — same listed family package | 28-pin PDIP — package confirmation required | 28-pin PDIP — baseline |
| Multiplexer Configuration | 8:1 differential | MPC507A differential family; exact suffix data needed | 8:1 differential | 8:1 differential |
| Overvoltage Protection | Yes | MPC507A family feature; exact suffix verification needed | Yes | Yes |
关键差异点
- Differential 8:1 signal routing （对比 MPC506A)
- Analog overvoltage protection （对比 MPC506APG4)
- Break-before-make switching （对比 MPC507APG4)
- Through-hole 28-pin PDIP integration （对比 MPC507APG4)
设计说明
Keep the analog input and output traces short, route them away from address and enable switching lines, and maintain a continuous ground reference beneath the 28-pin PDIP footprint. The verified data identifies a 28-pin through-hole package but does not provide a recommended land pattern; use the Texas Instruments package drawing and the PCB manufacturer's drill and land dimensions.
Do not treat the listed ±15 V signal range as permission to apply arbitrary voltages to every pin. Confirm absolute maximum input ratings, supply limits, and logic thresholds in the manufacturer datasheet. Also do not assume that an overvoltage-protected input can safely tolerate unlimited fault energy; external protection and power-state sequencing may still be required.
Include the 1.5 kOhm on-state resistance in the source-load and gain calculations. If the selected sensor or source has high impedance, the switch resistance can create attenuation, offset, and channel-dependent errors. The supplied data does not state bandwidth, capacitance, leakage, or off-state isolation, so those values must be obtained before setting a sampling rate or designing a high-accuracy acquisition front end.
Use the verified 7.5 mW typical standby power and approximately 700 uA standby current as design context, but do not calculate worst-case thermal behavior from typical values alone. Check the datasheet for maximum supply voltage and active-state current. Place supply bypassing close to the device and verify the polarity and sequencing requirements against the original application circuit.
合规信息
The supplied verified data identifies an industrial temperature grade but does not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. These fields remain unknown.
