TLC548CPE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
TLC548CPE4 is an 8-bit successive approximation ADC from Texas Instruments in an 8-pin DIP package, with a single analog input channel and up to 17 µs conversion time. It features a 3-wire SPI-compatible serial interface and supports analog input voltages up to 6 V for versatile signal acquisition. RoHS-compliant and suitable for low-speed data acquisition, industrial sensors, and microcontroller-based measurement systems.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TLC548CPE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit successive approximation ADC with 17 µs max conversion time and 3-wire serial interface simplifies microcontroller integration
- Single-channel analog input accepts up to 6 V, enabling direct connection to 5 V sensor outputs without external level shifting
- 8-pin DIP package with SPI-compatible output allows prototyping and breadboard-friendly integration in educational and industrial measurement designs
Applications
TLC548CPE4 is suitable for microcontroller-based data acquisition systems that require a simple 8-bit ADC with serial SPI output for low-speed analog signal digitization. Its 6 V analog input range allows direct connection to common 5 V transducer outputs in temperature, pressure, and light measurement applications. Industrial process monitoring and educational electronics platforms benefit from its straightforward 8-pin DIP interface and single-supply operation.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Analog Input Voltage-Max | 6V |
| Conversion Time-Max | 17 µs |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e4 |
| Linearity Error-Max (EL) | 0.1953% |
| Number of Analog In Channels | 1 |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Output Bit Code | BINARY |
| Output Format | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Sample Rate | 0.0455MHz |
| Sample and Hold / Track and Hold | SAMPLE |
| Supply Voltage-Nom | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.30 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TLC548CPE4:
ADC, Successive Approximation, 8-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDIP8
Frequently Asked Questions
How fast can TLC548CPE4 complete an analog-to-digital conversion, and what throughput does this allow?
TLC548CPE4 achieves a maximum conversion time of 17 µs per sample, corresponding to a throughput of approximately 58,000 samples per second at full speed. This throughput is sufficient for audio-frequency signal monitoring, temperature logging, and low-bandwidth process control applications that do not require high-speed digitization above 50 kHz.
What analog input voltage range does TLC548CPE4 support, and can it directly interface with 5 V sensors?
TLC548CPE4 accepts analog input voltages from 0 V to 6 V maximum, encompassing the full 0 V to 5 V output range of standard industrial sensors. This eliminates the need for input attenuation circuits when interfacing with 5 V pressure transducers, thermistors, or potentiometric position sensors, simplifying the overall signal chain to 8 bits resolution.
What digital interface does TLC548CPE4 use to send conversion results to a microcontroller?
TLC548CPE4 uses a 3-wire SPI-compatible serial interface with chip select, clock, and data out signals, requiring only 3 GPIO pins on any microcontroller. The 8-bit result is clocked out MSB first at up to 1.1 MHz clock rate, enabling straightforward connection to Arduino, PIC, and STM32 platforms without additional conversion hardware.
For a low-cost industrial sensor logging design, when does TLC548CPE4 offer an advantage over 12-bit ADC alternatives?
TLC548CPE4 provides 256 discrete levels with 0.1953% maximum linearity error, adequate for applications where sensor noise exceeds 8-bit LSB (approximately 20 mV at 5 V reference). Using TLC548CPE4 instead of a 12-bit ADC in a 8-pin DIP saves significant BOM cost when resolution requirements do not exceed 1% full-scale accuracy in temperature or humidity monitoring systems.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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