Overview
The TLV2553IPWRQ1 is a 12-bit, 200-KSPS (kilo-samples per second), 11-channel low-power serial Analog-to-Digital Converter (ADC) produced by Texas Instruments. This device is designed for high accuracy and low power consumption, making it suitable for a variety of applications, including automotive, process control, portable data logging, and battery-powered instruments. The ADC operates over a wide temperature range from -40°C to 85°C and supports SPI-compatible serial interfaces with I/O clock frequencies up to 15 MHz.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Analog Voltage (AVDD) | 2.7 | 5.5 | V | |
| Resolution | 12 bits | |||
| Sampling Rate | 200 KSPS | |||
| Number of Input Channels | 11 | |||
| Operating Temperature | -40 | 85 | °C | |
| High-Level Output Voltage (VOH) | VCC - 0.1 | VCC - 0.4 | V | |
| Low-Level Output Voltage (VOL) | 0.1 | 0.4 | V | |
| Operating Supply Current (ICC) | 0.9 | 1.2 | mA | |
| Power-Down Current (ICC(PD)) | 0.1 | 1 | μA | |
| Input Impedance (Zi) | 45 | 55 | Ω | |
| Input Capacitance (Ci) | 5 | 15 | pF | |
| Conversion Time (tconvert) | 13.5 × (1/fOSC) + 25 ns | μs |
Key Features
- Programmable Output Data Length: Supports 8-bit, 12-bit, or 16-bit output data lengths.
- Programmable Power Down: Features software and auto power-down modes to reduce power consumption.
- SPI-Compatible Serial Interface: Operates with I/O clock frequencies up to 15 MHz.
- Differential High-Impedance Reference Inputs: Facilitates ratiometric conversion, scaling, and isolation of analog circuitry.
- Low-Power Consumption: Designed for low power operation, making it suitable for battery-powered devices.
- Wide Operating Temperature Range: Operates from -40°C to 85°C.
- Switched-Capacitor Design: Allows for low-error conversion over the full operating temperature range.
Applications
- Automotive Systems: Suitable for various automotive applications due to its robustness and wide operating temperature range.
- Process Control: Used in process control systems where high accuracy and reliability are crucial.
- Portable Data Logging: Ideal for portable data logging devices due to its low power consumption and compact design.
- Battery-Powered Instruments: Suitable for battery-powered instruments where power efficiency is a key requirement.
Q & A
- What is the resolution of the TLV2553IPWRQ1 ADC?
The TLV2553IPWRQ1 has a resolution of 12 bits.
- How many input channels does the TLV2553IPWRQ1 support?
The TLV2553IPWRQ1 supports 11 input channels.
- What is the maximum sampling rate of the TLV2553IPWRQ1?
The maximum sampling rate is 200 KSPS.
- What is the operating temperature range of the TLV2553IPWRQ1?
The operating temperature range is from -40°C to 85°C.
- Does the TLV2553IPWRQ1 support SPI interface?
Yes, it supports SPI-compatible serial interfaces with I/O clock frequencies up to 15 MHz.
- What are the power-down modes available in the TLV2553IPWRQ1?
The device features software and auto power-down modes.
- What is the typical operating supply current of the TLV2553IPWRQ1?
The typical operating supply current is between 0.9 mA and 1.2 mA.
- What is the input impedance of the TLV2553IPWRQ1?
The input impedance ranges from 45 Ω to 55 Ω.
- Can the TLV2553IPWRQ1 be used in automotive applications?
Yes, it is suitable for automotive applications due to its robust design and wide operating temperature range.
- What are the package options available for the TLV2553IPWRQ1?
The device is available in SOIC (20 pins) and TSSOP (20 pins) packages.
