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SPT7730
8-BIT, 3.0 MSPS, SERIAL OUTPUT A/D CONVERTER
SPT7730
8-BIT, 3.0 MSPS, SERIAL OUTPUT A/D CONVERTER
FEATURES 8-Bit, 1 kHz to 3.0 MSPS Analog-to-Digital Converter Monolithic CMOS Serial Output Internal Sample-and-Hold Analog Input Range: 0 to 2 V Nominal; 3.3 V Max Power Dissipation (Excluding Reference Ladder)
45 mW at +5 V
16 mW at +3 V Single Power Supply: +3 V to +5 V Range High ESD Protection: 3,000 V Minimum
APPLICATIONS Handheld and Desktop Scanners DSP Interface Applications Portable Digital Radios Portable and Handheld Applications Automotive Applications Remote Sensing
Analog Input REF+
Ground VDD
Clock
Data Out
Start Convert REF-
GENERAL DESCRIPTIONThe Fairchild 8-bit, 3.0 MSPS, serial analog-to-digital con-
verter delivers excellent high speed conversion performance
with low cost and low power. The serial port protocol is
compatible with the serial peripheral interface (SPI) or
MICROWIRE™ industry standard, high-speed synchronous
MPU interfaces. The large input bandwidth and fast transient
response time allow for CCD applications operating up to
3.0 MSPS.
The device can operate with a power supply range from +3 V
to +5 V with very low power dissipation. The small package
size makes this part excellent for handheld applications
where board space is a premium. The SPT7730 is available
in an 8-lead SOIC package over the commercial tempera-
ture range. Contact the factory for availability of die and
industrial temperature range versions.
BLOCK DIAGRAM
