Overview
The KAD2708C-27Q68, produced by Renesas Electronics America Inc, is a high-performance, 8-bit Analog-to-Digital Converter (ADC) designed to offer exceptional dynamic performance and low power consumption. This ADC is part of a family of pin-compatible devices that include 8 and 10-bit converters with sample rates ranging from 105 to 350 MSPS. The KAD2708C-27Q68 is built using Intersil’s proprietary FemtoCharge™ technology on a standard CMOS process, ensuring high accuracy and efficiency.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Sample Rate | fS | 105 | 210 | 275 | MSPS | |
| Signal-to-Noise Ratio (SNR) | fS = 275MSPS, fIN = 138MHz | 49.2 | dBFS | |||
| Spurious Free Dynamic Range (SFDR) | fS = 275MSPS, fIN = 138MHz | 66.6 | dBc | |||
| Power Consumption | fS = 275MSPS | 265 | mW | |||
| Analog Input Full-Scale Range | VFS | 1.4 | 1.5 | 1.6 | VP-P | |
| Analog Input Bandwidth | 600 | MHz | ||||
| Digital Output Type | LVCMOS | |||||
| Operating Temperature Range | -40 | 85 | °C | |||
| Package Type | 68-pin QFN with exposed paddle |
Key Features
- On-Chip Reference
- Internal Track and Hold
- 1.5VP-P Differential Input Voltage
- 600MHz Analog Input Bandwidth
- Two’s Complement or Binary Output
- Over-Range Indicator
- Selectable divide-by-2 input clock divider
- LVCMOS Outputs
- Pipelined Architecture with 24 sample clocks and digital error correction, resulting in a total latency of 28 clock cycles
- Self-calibration at power-up to minimize gain and offset errors
Applications
- High-Performance Data Acquisition
- Portable Oscilloscope
- Medical Imaging
- Cable Head Ends
- Power-Amplifier Linearization
- Radar and Satellite Antenna Array Processing
- Broadband Communications
- Point-to-Point Microwave Systems
- Communications Test Equipment
Q & A
- What is the maximum sample rate of the KAD2708C-27Q68?
The maximum sample rate of the KAD2708C-27Q68 is 275 MSPS. - What is the power consumption of the KAD2708C-27Q68 at 275 MSPS?
The power consumption is less than 265 mW at 275 MSPS. - What is the analog input bandwidth of the KAD2708C-27Q68?
The analog input bandwidth is 600 MHz. - What type of output does the KAD2708C-27Q68 provide?
The KAD2708C-27Q68 provides LVCMOS outputs. - What is the operating temperature range of the KAD2708C-27Q68?
The operating temperature range is -40°C to +85°C. - What package type is the KAD2708C-27Q68 available in?
The KAD2708C-27Q68 is available in a 68-pin QFN package with an exposed paddle. - Does the KAD2708C-27Q68 have an over-range indicator?
Yes, the KAD2708C-27Q68 includes an over-range indicator. - How does the KAD2708C-27Q68 handle calibration?
The KAD2708C-27Q68 performs a self-calibration at power-up to minimize gain and offset errors. - What is the latency of the KAD2708C-27Q68?
The total latency is 28 clock cycles due to the pipelined architecture and digital error correction. - What are some common applications of the KAD2708C-27Q68?
Common applications include high-performance data acquisition, portable oscilloscopes, medical imaging, and broadband communications.
