Overview
The LTC2312HTS8-12, produced by Analog Devices Inc., is a 12-bit, 500ksps serial sampling Analog-to-Digital Converter (ADC) designed for high-speed, low-power applications. This ADC features an integrated low drift reference and reference buffer, providing a high-performance and space-saving solution. It operates from a single 3V or 5V supply, drawing only 3mA, and achieves outstanding AC performance with 72.7dB SINAD and –84dB THD at 500ksps sampling rate.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | 500ksps |
| Supply Voltage | 3V or 5V |
| Supply Current | 3mA (typical at 500ksps) |
| Power Consumption | 8mW at 3V, 15mW at 5V (typical at 500ksps) |
| Internal Reference | 2.048V or 4.096V |
| Reference Drift | 20ppm/°C (maximum) |
| SNR | 73dB |
| THD | –84dB |
| Operating Temperature | –40°C to 125°C |
| Package | TSOT-23-8 |
| Digital I/O Supply Range | 1.8V to 5V |
Key Features
- High-speed SPI-compatible serial interface supporting 1.8V, 2.5V, 3V, and 5V logic.
- No-cycle latency for fast 500ksps throughput.
- Low power consumption with automatic nap mode after conversions and sleep mode with < 1µA typical supply current.
- Guaranteed 12-bit no missing codes.
- Integrated low drift reference and reference buffer.
- Separate 1.8V to 5V digital I/O supply.
- Compact TSOT-23-8 package.
Applications
- Communication Systems
- High Speed Data Acquisition
- Handheld Terminal Interfaces
- Medical Imaging
- Uninterrupted Power Supplies
- Battery Operated Systems
- Automotive Systems
Q & A
- What is the resolution of the LTC2312HTS8-12 ADC?
The LTC2312HTS8-12 is a 12-bit ADC.
- What is the maximum sampling rate of the LTC2312HTS8-12?
The maximum sampling rate is 500ksps.
- What are the supported supply voltages for the LTC2312HTS8-12?
The device operates from a single 3V or 5V supply.
- How much power does the LTC2312HTS8-12 consume at 500ksps?
Typically, it consumes 8mW at 3V and 15mW at 5V.
- What is the internal reference voltage of the LTC2312HTS8-12?
The internal reference voltages are 2.048V or 4.096V.
- What is the operating temperature range of the LTC2312HTS8-12?
The operating temperature range is –40°C to 125°C.
- What type of package does the LTC2312HTS8-12 come in?
The device is packaged in a TSOT-23-8 package.
- Does the LTC2312HTS8-12 support different digital I/O voltage levels?
Yes, it supports digital I/O supply ranges from 1.8V to 5V.
- How does the LTC2312HTS8-12 manage power consumption during inactive periods?
The device automatically enters nap mode after conversions and can be put into sleep mode through serial interface control, reducing power dissipation to less than 1µA.
- What kind of interface does the LTC2312HTS8-12 use for communication?
The device uses a high-speed SPI-compatible serial interface.
