Overview
The TLV2556IPWRG4 is a 12-bit switched-capacitor successive-approximation analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed for high-speed and low-power applications, featuring an on-chip 14-channel multiplexer that can select any one of 11 analog inputs or three internal self-test voltages. The ADC has a built-in sample and hold function and supports both unipolar and bipolar output operations. It operates over a wide temperature range from -40°C to +85°C, making it suitable for various industrial and automotive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Throughput | Up to 200 kSPS (150 kSPS for 3 V) | |
| Analog Input Channels | 11 | |
| Reference Voltage | 2.048 V / 4.096 V (Internal or External) | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Supply Voltage | 2.7 V to 5.5 V | V |
| Package Type | TSSOP (20 pins) | |
| Interface | SPI-Compatible Serial Interface | |
| I/O Clock Frequency | Up to 15 MHz (CPOL = 0, CPHA = 0) | Hz |
Key Features
- 12-bit resolution analog-to-digital converter (ADC)
- Up to 200-kSPS (150-kSPS for 3 V) throughput over the operating temperature range
- 11 analog input channels and three built-in self-test modes
- Inherent sample and hold function
- Programmable reference source (2.048 V / 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 systems
Q & A
- What is the resolution of the TLV2556IPWRG4 ADC?
The TLV2556IPWRG4 has a 12-bit resolution.
- What is the maximum throughput of the TLV2556IPWRG4?
The maximum throughput is up to 200 kSPS (150 kSPS for 3 V).
- How many analog input channels does the TLV2556IPWRG4 have?
The device has 11 analog input channels.
- What are the available reference voltages for the TLV2556IPWRG4?
The device supports 2.048 V and 4.096 V reference voltages, which can be internal or external.
- What is the operating temperature range of the TLV2556IPWRG4?
The device operates from -40°C to +85°C.
- What type of interface does the TLV2556IPWRG4 use?
The device uses an SPI-compatible serial interface.
- What is the maximum I/O clock frequency for the TLV2556IPWRG4?
The maximum I/O clock frequency is up to 15 MHz (CPOL = 0, CPHA = 0).
- Does the TLV2556IPWRG4 have built-in self-test modes?
Yes, the device has three built-in self-test modes.
- Can the TLV2556IPWRG4 operate in both unipolar and bipolar modes?
Yes, the device supports both unipolar and bipolar output operations.
- Is the TLV2556IPWRG4 suitable for automotive applications?
Yes, the device is suitable for automotive systems due to its wide operating temperature range and robust features.
