Overview
The TLV2556IPWR is a 12-bit, low-power, serial analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed for high-speed and versatile applications, featuring a switched-capacitor successive-approximation architecture. It operates over a wide temperature range from -40°C to 85°C and is packaged in a 20-pin TSSOP (PW) package. The TLV2556IPWR is characterized by its high throughput of up to 200 kSPS and its ability to handle 11 analog input channels, making it suitable for various industrial, automotive, and portable applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Throughput | Up to 200 kSPS (150 kSPS for 3 V) | |
| Analog Input Channels | 11 | |
| Operating Temperature Range | -40°C to 85°C | °C |
| Supply Voltage | 2.7 V to 5.5 V | V |
| Package Type | TSSOP (PW) | |
| Pins | 20 | |
| Internal Reference Voltage | 2.048 V or 4.096 V | V |
| Conversion Time | (13.5 × (1/fOSC) + 25 ns) | μs |
| Internal Oscillator Frequency | 2.56 MHz to 4.15 MHz | MHz |
| I/O Clock Frequency | Up to 15 MHz | MHz |
Key Features
- 12-bit resolution analog-to-digital converter
- Up to 200 kSPS throughput over the operating temperature range
- 11 analog input channels with an on-chip 14-channel multiplexer
- Three built-in self-test modes
- Inherent sample and hold function
- Programmable reference source (2.048 V or 4.096 V internal or external)
- Linearity error of ±1 LSB (maximum)
- On-chip conversion clock
- Programmable conversion status output: INT or EOC
- Unipolar or bipolar output operation
- Programmable most significant bit (MSB) or least significant bit (LSB) first
- Programmable power down and output data length
- SPI-compatible serial interface with I/O clock frequencies up to 15 MHz
Applications
- Industrial process control
- Portable data logging
- Battery-powered instruments
- Automotive applications
Q & A
- What is the resolution of the TLV2556IPWR ADC?
The TLV2556IPWR has a 12-bit resolution.
- What is the maximum throughput of the TLV2556IPWR?
The maximum throughput is up to 200 kSPS.
- How many analog input channels does the TLV2556IPWR have?
The device has 11 analog input channels.
- What is the operating temperature range of the TLV2556IPWR?
The operating temperature range is from -40°C to 85°C.
- What are the available internal reference voltages for the TLV2556IPWR?
The available internal reference voltages are 2.048 V and 4.096 V.
- Does the TLV2556IPWR support SPI-compatible serial interface?
- What is the package type of the TLV2556IPWR?
The package type is TSSOP (PW) with 20 pins.
- Can the TLV2556IPWR operate in both unipolar and bipolar modes?
- Does the TLV2556IPWR have built-in self-test modes?
- What is the typical power-down current of the TLV2556IPWR?
The typical power-down current is in the range of 0.1 to 10 μA depending on the configuration.
