SPT7734SCS ,8-bit, 4 MSPS, 175mW ADCELECTRICAL SPECIFICATIONST =T to T , AV =DV =+5.0 V, V =0 to 4 V, f =40 MSPS, V =4.0 V, V =0.0 V, u ..
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SPT7734SCS
8-bit, 4 MSPS, 175mW ADC
SPT7734
8-BIT , 40 MSPS,175 mW A/D CONVERTER
FEATURES Monolithic 40 MSPS Converter 175 mW Power Dissipation On-Chip Track-and-Hold Single +5 V Power Supply TTL/CMOS Outputs 5 pF Input Capacitance Low Cost Tri-State Output Buffers High ESD Protection: 3,500 V Minimum Selectable +3 V or +5 V Logic I/O
APPLICATIONS All High-Speed Applications Where
Low Power Dissipation is Required Video Imaging Medical Imaging Radar Receivers IR Imaging Digital Communications
GENERAL DESCRIPTIONThe SPT7734 is a 8-bit monolithic, low cost, ultralow power
analog-to-digital converter capable of minimum word rates
of 40 MSPS. The on-chip track-and-hold function assures
very good dynamic performance without the need for exter-
nal components. The input drive requirements are mini-
mized due to the SPT7734's low input capacitance of only
5 pF.
Power dissipation is extremely low at only 175 mW typical at
40 MSPS with a power supply of +5.0 V. The digital outputs
are +3 V or +5 V, and are user selectable. The SPT7734 has
incorporated proprietary circuit design and CMOS process-
ing technologies to achieve its advanced performance. In-
puts and outputs are TTL/CMOS compatible to interface with
TTL/CMOS logic systems. Output data format is straight
binary.
The SPT7734 is available in 28-lead SOIC and 32-lead small
(7 mm square) TQFP packages over the commercial tem-
perature range.
AAA
AAA
AAA
ADC Section 2
ADC Section 15
..Ref
Enable
CLK In
Data
Vali
AIN
D8 Overrange
D7 (MSB)
DØ (LSB)
BLOCK DIAGRAM
