Overview
The LTC2153-12 is a high-performance 12-bit analog-to-digital converter (ADC) designed by Analog Devices Inc. This device is optimized for digitizing high-frequency, wide dynamic range signals, making it ideal for demanding applications in communications, medical imaging, and high-definition video. With a sampling rate of 310 Msps, it offers excellent AC performance, including a signal-to-noise ratio (SNR) of 67.6 dB and a spurious free dynamic range (SFDR) of 88 dB. The ADC features a single 1.8V supply, low power consumption of 378 mW, and double data rate (DDR) LVDS outputs.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | 310 Msps |
| SNR | 67.6 dB |
| SFDR | 88 dB |
| Input Range | 1.32 Vpp |
| Supply Voltage | 1.8 V |
| Power Consumption | 378 mW |
| Output Type | DDR LVDS |
| Package Type | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) |
| Operating Temperature Range | 0°C to 70°C (or -40°C to 85°C for some models) |
| Latency | 5 clock cycles |
| Integral Nonlinearity (INL) | ±0.6 LSB (typ) |
| Differential Nonlinearity (DNL) | ±0.1 LSB (typ) |
Key Features
- High-speed sampling at 310 Msps
- Single 1.8V supply
- Low power consumption of 378 mW
- DDR LVDS outputs
- Optional clock duty cycle stabilizer
- Low power sleep and nap modes
- Serial SPI port for configuration
- Pin-compatible with other 12-bit versions
- 1.25 GHz full power bandwidth sample-and-hold (S/H)
- Differential input drive capability with sine wave, PECL, LVDS, TTL, or CMOS inputs
Applications
- Communications
- Cellular Basestations
- Software Defined Radios
- Medical Imaging
- High Definition Video
- Testing and Measurement Instruments
Q & A
- What is the sampling rate of the LTC2153-12 ADC?
The LTC2153-12 ADC has a sampling rate of 310 Msps. - What is the SNR and SFDR of the LTC2153-12?
The SNR is 67.6 dB and the SFDR is 88 dB. - What is the input range of the LTC2153-12?
The input range is 1.32 Vpp. - What type of output does the LTC2153-12 use?
The output type is DDR LVDS. - What is the power consumption of the LTC2153-12?
The power consumption is 378 mW. - What is the package type of the LTC2153-12?
The package type is a 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP). - What are the operating temperature ranges for the LTC2153-12?
The operating temperature ranges are 0°C to 70°C (or -40°C to 85°C for some models). - What is the latency of the LTC2153-12?
The latency is 5 clock cycles. - Can the LTC2153-12 be configured via a serial interface?
Yes, it has a serial SPI port for configuration. - What types of input signals can drive the ENC+ and ENC- inputs of the LTC2153-12?
The ENC+ and ENC- inputs can be driven differentially with a sine wave, PECL, LVDS, TTL, or CMOS inputs.
