Overview
The KAD2708C-17Q68, produced by Renesas Electronics America Inc, is an 8-bit, high-performance Analog-to-Digital Converter (ADC) designed with Intersil’s proprietary FemtoCharge™ technology on a standard CMOS process. This ADC operates at sampling rates up to 275MSPS and is known for its low power consumption and high dynamic performance. It is part of a pin-compatible family offering 8 and 10-bit ADCs with various sample rates and output options.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 8 | |
| Sampling Rate | Up to 275MSPS | MSPS |
| Signal-to-Noise Ratio (SNR) | 49.2dBFS @ fS = 275MSPS, fIN = 138MHz | dBFS |
| Spurious Free Dynamic Range (SFDR) | 66.6dBc @ fS = 275MSPS, fIN = 138MHz | dBc |
| Power Consumption | < 265mW @ fS = 275MSPS | mW |
| Analog Input Bandwidth | 600MHz | MHz |
| Differential Input Voltage | 1.5VP-P | VP-P |
| Output Type | LVCMOS | |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 68-pin RoHS-compliant QFN with exposed paddle |
Key Features
- On-Chip Reference and Internal Track and Hold
- Selectable divide-by-2 clock input divider
- Over-range indicator
- Two’s Complement or Binary Output
- LVCMOS outputs
- Self-calibration at start-up to minimize gain and offset errors
- External or internal reference voltage option
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 sampling rate of the KAD2708C-17Q68?
The maximum sampling rate is up to 275MSPS.
- What is the power consumption of the KAD2708C-17Q68 at 275MSPS?
The power consumption is less than 265mW at 275MSPS.
- What is the signal-to-noise ratio (SNR) of the KAD2708C-17Q68?
The SNR is 49.2dBFS at fS = 275MSPS and fIN = 138MHz.
- What type of output does the KAD2708C-17Q68 provide?
The output type is LVCMOS.
- Does the KAD2708C-17Q68 support external or internal reference voltage?
Yes, it supports both external and internal reference voltage options.
- What is the operating temperature range of the KAD2708C-17Q68?
The operating temperature range is -40°C to +85°C.
- What is the package type of the KAD2708C-17Q68?
The package type is a 68-pin RoHS-compliant QFN with an exposed paddle.
- Does the KAD2708C-17Q68 have a self-calibration feature?
Yes, it performs self-calibration at start-up to minimize gain and offset errors.
- What are some common applications of the KAD2708C-17Q68?
Common applications include high-performance data acquisition, portable oscilloscopes, medical imaging, and broadband communications.
- What is the analog input bandwidth of the KAD2708C-17Q68?
The analog input bandwidth is 600MHz.
- Does the KAD2708C-17Q68 have an over-range indicator?
Yes, it includes an over-range indicator feature.
