Overview
The LTC2152-12, produced by Analog Devices Inc., is a high-performance 12-bit analog-to-digital converter (ADC) designed for digitizing high-frequency, wide dynamic range signals. This ADC is part of a family that includes the LTC2151-12 and LTC2150-12, offering sampling rates of 250Msps, 210Msps, and 170Msps respectively. It is particularly suited for demanding communications applications, medical imaging, high-definition video, and testing and measurement instruments. The LTC2152-12 features a single 1.8V supply, low power consumption, and a 1.25GHz full power bandwidth sample-and-hold (S/H) circuit, enabling it to undersample high input frequencies with excellent performance.
Key Specifications
| Parameter | Typical Value | Units |
|---|---|---|
| Number of Bits | 12 | - |
| Sampling Rate | 250 Msps | MSPS |
| Signal-to-Noise Ratio (SNR) | 68.5 dB | dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB | dB |
| Power Consumption | 347 mW | mW |
| Supply Voltage | 1.7 V ~ 1.9 V | V |
| Input Bandwidth | 1.25 GHz | GHz |
| Latency | 5 clock cycles | - |
| Integral Nonlinearity (INL) | ±0.26 LSB | LSB |
| Differential Nonlinearity (DNL) | ±0.16 LSB | LSB |
| Transition Noise | 0.54 LSB RMS | LSB RMS |
| Package Type | 40-Lead QFN (6mm x 6mm x 0.75mm) | - |
| Operating Temperature | 0°C ~ 70°C | °C |
Key Features
- High AC performance with 68.5dB SNR and 90dB SFDR
- Low power consumption: 347mW/333mW/306mW total
- Single 1.8V supply
- DDR LVDS outputs
- Easy-to-drive 1.5V P-P input range
- 1.25GHz full power bandwidth S/H circuit
- Optional clock duty cycle stabilizer
- Low power sleep and nap modes
- Serial SPI port for configuration
- Pin-compatible 14-bit versions
- 40-Lead (6mm × 6mm) QFN package
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 LTC2152-12 ADC?
The LTC2152-12 ADC has a sampling rate of 250 Msps.
- What is the signal-to-noise ratio (SNR) of the LTC2152-12?
The SNR of the LTC2152-12 is 68.5 dB.
- What is the spurious free dynamic range (SFDR) of the LTC2152-12?
The SFDR of the LTC2152-12 is 90 dB.
- What is the power consumption of the LTC2152-12?
The power consumption of the LTC2152-12 is approximately 347 mW.
- What type of supply voltage does the LTC2152-12 require?
The LTC2152-12 requires a single 1.8V supply voltage.
- What is the input bandwidth of the LTC2152-12?
The input bandwidth of the LTC2152-12 is 1.25 GHz.
- What is the latency of the LTC2152-12?
The latency of the LTC2152-12 is 5 clock cycles.
- What type of digital outputs does the LTC2152-12 have?
The LTC2152-12 has double-data rate (DDR) LVDS digital outputs.
- Can the LTC2152-12 be configured via a serial interface?
Yes, the LTC2152-12 can be configured via a serial SPI port.
- What are the typical operating temperatures for the LTC2152-12?
The typical operating temperatures for the LTC2152-12 are from 0°C to 70°C.
