MPC506 - 16-Channel Analog Multiplexer | Texas Instruments
MPN: MPC506 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.42 | $8.42 |
| 10 | $7.58 | $75.80 |
| 100 | $6.74 | $674.00 |
| 500 | $6.06 | $3,030.00 |
| 1,000 | $5.39 | $5,390.00 |
Drop-in alternatives for MPC506 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
MPC506AU
β Drop-Inπ Reference alternative (not in catalog)
MPC507A
β Drop-Inπ Reference alternative (not in catalog)
ADG506A
β Drop-Inπ Reference alternative (not in catalog)
DG506A
β Drop-Inπ Reference alternative (not in catalog)
MAX306
β Drop-Inπ Reference alternative (not in catalog)
MPC506 Maximum Ratings & Electrical Characteristics
| Configuration | 16:1 Single-Ended |
| Number of Channels | 16 |
| On-State Resistance (Max) | 1.5 kOhm |
| Analog Signal Range | Β±15 V |
| Overvoltage Protection | 70 Vpp |
| Standby Power | 7.5 mW typ |
| Supply Voltage (V+ to V-) | 16 V |
| Break-Before-Make | Yes |
| Channel Interaction During Overvoltage | None |
| Package | 28-SOIC |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] |
| Input Leakage Current | [DATA_NEEDED: input leakage current] |
| Switching Time (Ton/Toff) | [DATA_NEEDED: switching time] |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
MPC506 Pin Configuration
| Pin 1 | A0 β Address input bit 0 |
| Pin 2 | A1 β Address input bit 1 |
| Pin 3 | A2 β Address input bit 2 |
| Pin 4 | A3 β Address input bit 3 |
| Pin 5 | EN β Enable input (active high) |
| Pin 6 | V- β Negative supply voltage |
| Pin 7 | S1 β Analog input channel 1 |
| Pin 8 | S2 β Analog input channel 2 |
| Pin 9 | S3 β Analog input channel 3 |
| Pin 10 | S4 β Analog input channel 4 |
| Pin 11 | S5 β Analog input channel 5 |
| Pin 12 | S6 β Analog input channel 6 |
| Pin 13 | S7 β Analog input channel 7 |
| Pin 14 | S8 β Analog input channel 8 |
| Pin 15 | S9 β Analog input channel 9 |
| Pin 16 | S10 β Analog input channel 10 |
| Pin 17 | S11 β Analog input channel 11 |
| Pin 18 | S12 β Analog input channel 12 |
| Pin 19 | S13 β Analog input channel 13 |
| Pin 20 | S14 β Analog input channel 14 |
| Pin 21 | S15 β Analog input channel 15 |
| Pin 22 | S16 β Analog input channel 16 |
| Pin 23 | D β Common output |
| Pin 24 | V+ β Positive supply voltage |
| Pin 25 | GND β Ground |
| Pin 26 | NC β No connection |
| Pin 27 | NC β No connection |
| Pin 28 | NC β No connection |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
MPC506 is suitable for 6 applications: Data Acquisition Systems, Test and Measurement Equipment, Industrial Process Control, Medical Instrumentation, Audio Signal Routing, Automotive Test Systems.
Data Acquisition Systems
The MPC506 is ideal for data acquisition systems where multiple analog sensors need to be routed to a single ADC. Its 16-channel configuration allows expansion of input channels without additional ADCs. The overvoltage protection up to 70Vpp ensures robust operation in industrial environments where transients are common. The break-before-make switching prevents signal corruption during channel changes, maintaining measurement accuracy. With a wide Β±15V signal range, it can handle various sensor outputs directly, simplifying the front-end design.
Recommended
Test and Measurement Equipment
In test and measurement equipment, the MPC506 enables routing of multiple test points to a single measurement instrument, reducing cost and complexity. Its low standby power of 7.5mW is beneficial for portable instruments. The 1.5kOhm on-resistance is acceptable for many measurement applications, but for high-impedance loads, a buffer amplifier is recommended. The device's overvoltage protection ensures reliability when probing unexpected voltages. The 28-SOIC package allows compact PCB layouts, essential for dense test equipment.
Recommended
Industrial Process Control
The MPC506 is well-suited for industrial process control systems that monitor multiple analog signals such as temperature, pressure, and flow. Its overvoltage protection up to 70Vpp protects against transients from industrial power lines. The wide Β±15V signal range accommodates standard industrial signal levels. The break-before-make switching ensures no momentary short circuits between channels, which is critical for maintaining process integrity. The device's CMOS technology provides low power consumption, reducing heat in control cabinets.
Recommended
Medical Instrumentation
In medical instrumentation, the MPC506 is used to route signals from multiple biological sensors to a single processing channel. Its low power consumption is essential for battery-operated devices. The overvoltage protection ensures patient safety by preventing damage from defibrillator pulses or other high-voltage events. The 16-channel configuration allows monitoring of multiple physiological parameters simultaneously. The device's small SOIC package is suitable for compact medical devices. The break-before-make switching prevents signal artifacts during channel switching.
Recommended
Audio Signal Routing
The MPC506 can be used in audio systems for routing multiple audio sources to a single output, such as in mixing consoles or test equipment. Its low distortion and wide signal range make it suitable for analog audio signals. The break-before-make switching prevents clicks and pops during channel changes. The 1.5kOhm on-resistance may require buffering for low-impedance loads. The device's low power consumption is beneficial for portable audio equipment. The 28-SOIC package allows integration into compact audio modules.
Recommended
Automotive Test Systems
The MPC506 is used in automotive test systems to route signals from various sensors and ECUs to a central data acquisition unit. Its overvoltage protection is crucial for handling automotive electrical transients. The wide operating temperature range (if specified) would be suitable for under-hood environments. The 16-channel configuration allows monitoring multiple vehicle parameters simultaneously. The device's low power consumption is beneficial for battery-powered test equipment. The break-before-make switching ensures reliable signal routing during dynamic tests.
Recommended
Recommended Products Summary
Engineering reference data for MPC506 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MPC506AU | MPC507A | ADG506A | DG506A | MAX306 |
|---|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices | Vishay | Maxim Integrated |
| Configuration | 16:1 Single-Ended | 16:1 Single-Ended | 8:1 Differential | 16:1 Single-Ended | 16:1 Single-Ended | 16:1 Single-Ended |
| On-Resistance (Max) | 1.5 kOhm | 1.5 kOhm | 1.5 kOhm | 400 Ohm | 400 Ohm | 100 Ohm |
| Analog Signal Range | Β±15 V | Β±15 V | Β±15 V | Β±15 V | Β±15 V | Β±15 V |
| Overvoltage Protection | 70 Vpp | 70 Vpp | 70 Vpp | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Standby Power | 7.5 mW typ | 7.5 mW typ | 7.5 mW typ | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Break-Before-Make | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Internal overvoltage protection up to 70Vpp (vs HCT4067)
- Low standby power of 7.5mW (vs ADG506A)
- Break-before-make switching (vs MAX306)
Design Notes
The MPC506 has a relatively high on-resistance of 1.5 kOhm. When driving low-impedance loads, this can cause signal attenuation and increased settling time. Always buffer the output with a high-impedance op-amp, such as the OPA211, to maintain accuracy. Additionally, ensure the analog input signals stay within the Β±15V range to avoid damage, despite the overvoltage protection.
For optimal performance, place decoupling capacitors (0.1uF) close to the V+ and V- pins. Use a solid ground plane to minimize noise. Keep analog input traces short and shielded if possible to reduce crosstalk. The 28-SOIC package has a thermal pad; connect it to the ground plane for better heat dissipation, though power dissipation is typically low.
The break-before-make switching ensures no momentary short between channels, but it introduces a brief open-circuit period. In high-speed applications, this can cause glitches. Use a sample-and-hold circuit or a buffer with high slew rate to minimize the impact. Also, the internal 1kOhm series resistance for overvoltage protection adds to the on-resistance, affecting bandwidth. Consider the RC time constant with the load capacitance.
Compliance Information
RoHS compliant per TI product page. Other compliance data not specified in provided sources.
