Overview
The TLV2556IDWRG4, produced by Texas Instruments, is a 12-bit, 200 kilosamples per second (kSPS), 11-channel low-power serial analog-to-digital converter (ADC) with an internal reference. This device is designed for applications requiring high precision and low power consumption. It features a switched-capacitor architecture, which allows for low error conversion over the full operating temperature range. The TLV2556 is characterized for operation from -40°C to +85°C, making it suitable for a variety of industrial and automotive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12 bits | |
| Sampling Rate | 200 kSPS | |
| Number of Channels | 11 | |
| Supply Voltage (VCC) | 2.7 to 5.5 | V |
| Operating Temperature Range | -40 to +85 | °C |
| Internal Reference Voltage | 2.048 V, 4.096 V | V |
| Conversion Time | 13.5 × (1/fOSC) + 25 ns | μs |
| I/O Clock Frequency | Up to 15 MHz | |
| Package Type | TSSOP (20 pins) | |
| Package Size | 4.40 mm × 6.50 mm |
Key Features
- On-chip conversion clock and 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
- Differential, high-impedance reference inputs for ratiometric conversion and isolation from logic and supply noise
- Internal reference with programmable voltage level
Applications
- Industrial process control
- Portable data logging
- Battery-powered instruments
- Automotive applications
Q & A
- What is the resolution of the TLV2556 ADC?
The TLV2556 has a 12-bit resolution. - What is the maximum sampling rate of the TLV2556?
The maximum sampling rate is 200 kSPS. - How many analog input channels does the TLV2556 have?
The TLV2556 has 11 analog input channels. - What is the operating temperature range of the TLV2556?
The operating temperature range is from -40°C to +85°C. - What are the available internal reference voltages for the TLV2556?
The internal reference voltages are 2.048 V and 4.096 V. - What is the maximum I/O clock frequency for the TLV2556?
The maximum I/O clock frequency is up to 15 MHz. - What type of package is the TLV2556IDWRG4 available in?
The TLV2556IDWRG4 is available in a TSSOP (20 pins) package. - What are the dimensions of the TSSOP package for the TLV2556IDWRG4?
The dimensions are 4.40 mm × 6.50 mm. - Can the TLV2556 operate in both unipolar and bipolar modes?
Yes, the TLV2556 can operate in both unipolar and bipolar output modes. - Is the TLV2556 compatible with SPI serial interfaces?
Yes, the TLV2556 is SPI-compatible with I/O clock frequencies up to 15 MHz.
