Hittite has introduced two new analog-to-digital converter (ADC) products which offer low power consumption in ultra high-bandwidth applications.
The HMCAD1104 is a 10-bit octal-channel ADC which operates at 65 MSps, delivering a signal-to-noise ratio (SNR) of 61,6 dB, while dissipating only 30 mW of power per channel. The combination of low power consumption and compact 9 x 9 mm QFN SMT packaging make it well suited for handheld and other portable instrumentation applications.
The HMCAD1104 is pin-compatible with Hittite’s family of 12-bit ADCs including the HMCAD1100, HMCAD1101 and HMCAD1102, all of which are compatible with the EasySuite Test and Evaluation Tool for analysis and system configuration.
Ease of use is further enabled by various modes and configuration settings that can be applied to the HMCAD1104 through the serial control interface (SPI); these include channel-specific power-down, common-mode driver strength, and coarse and fine gain control.
The HMCAD1104 is specified for operation over the industrial temperature range of –40°C to +85°C, while the serial LVDS output is designed to easily interface with FPGAs from several suppliers.
For high-performance applications which require sampling speeds to 26 GSps, Hittite has also released the HMCAD5831LP9BE 3-bit ADC. This wideband ADC is targeted at extreme applications in radar, radio astronomy and test and measurement equipment.
Features such as a wide input bandwidth up to 20 GHz and a sampling rate up to 26 GSps enable quantisation of high-bandwidth signals up to 20 GHz with good INL and DNL performance.
The HMCAD5831LP9BE is designed in a full Flash architecture and provides Data XOR and Inhibit functions to ease FPGA programming. It is housed in a RoHS compliant 9 x 9 mm SMT package.
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