Overview
The TLV2553IPWRG4, produced by Texas Instruments, is a 12-bit, 200-KSPS (kilosamples per second), 11-channel, low-power, successive-approximation analog-to-digital converter (ADC). This device is designed for high accuracy and low power consumption, making it suitable for a variety of applications, including process control, portable data logging, and battery-powered instruments. The TLV2553 features a SPI-compatible serial interface with I/O clock frequencies up to 15 MHz and operates over a wide temperature range from –40°C to 85°C.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2.7 | - | 5.5 | V |
| Throughput | - | 200 KSPS (150 KSPS for 3 V) | - | KSPS |
| Operating Free-Air Temperature (TA) | –40 | - | 85 | °C |
| Input Impedance (Zi) | 500 | - | 600 | Ω |
| Internal Oscillator Frequency | 2.56 | - | 4.15 | MHz |
| Conversion Time | - | 5.54 μs (VCC = 2.7 V to 3.6 V) | - | μs |
| I/O CLOCK Frequency | - | - | 15 MHz | MHz |
Key Features
- Successive-Approximation ADC: High accuracy conversion with low error over the full operating temperature range.
- Low Power Consumption: Programmable power down modes to reduce power consumption.
- SPI-Compatible Serial Interface: Supports I/O clock frequencies up to 15 MHz.
- Differential High-Impedance Reference Inputs: Facilitates ratiometric conversion, scaling, and isolation of analog circuitry from logic and supply noise.
- Programmable Output Data Length: Allows for flexible data output formats.
- Switched-Capacitor Design: Ensures low-error conversion over the full operating temperature range.
Applications
- Process Control: Suitable for monitoring and controlling various process parameters in industrial settings.
- Portable Data Logging: Ideal for battery-powered data logging devices due to its low power consumption.
- Battery-Powered Instruments: Used in devices that require high accuracy and low power consumption.
Q & A
- What is the maximum throughput of the TLV2553?
The maximum throughput of the TLV2553 is 200 KSPS, with a reduced rate of 150 KSPS when operating at 3 V.
- What is the operating temperature range of the TLV2553?
The TLV2553 operates over a temperature range from –40°C to 85°C.
- What type of serial interface does the TLV2553 support?
The TLV2553 supports a SPI-compatible serial interface.
- What is the maximum I/O CLOCK frequency supported by the TLV2553?
The TLV2553 supports I/O CLOCK frequencies up to 15 MHz.
- Does the TLV2553 have programmable power down modes?
Yes, the TLV2553 has programmable power down modes to reduce power consumption.
- What is the input impedance of the TLV2553?
The input impedance of the TLV2553 ranges from 500 Ω to 600 Ω.
- How many channels does the TLV2553 support?
The TLV2553 supports 11 channels.
- What is the conversion time of the TLV2553?
The conversion time of the TLV2553 is approximately 5.54 μs when operating at VCC = 2.7 V to 3.6 V.
- Does the TLV2553 have differential high-impedance reference inputs?
Yes, the TLV2553 features differential high-impedance reference inputs.
- What type of design does the TLV2553 use for low-error conversion?
The TLV2553 uses a switched-capacitor design for low-error conversion.
