參數(shù)資料
型號(hào): SPT7725AIG
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: ADC
英文描述: 8-BIT, 300 MSPS, FLASH A/D CONVERTER
中文描述: 1-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, CPGA46
封裝: PGA-46
文件頁數(shù): 1/12頁
文件大小: 134K
代理商: SPT7725AIG
SPT7725
8-BIT, 300 MSPS, FLASH A/D CONVERTER
TECHNICAL DATA
AUGUST 17, 2001
FEATURES
Metastable errors reduced to 1 LSB
Low input capacitance: 10 pF
Wide input bandwidth: 210 MHz
300 MSPS conversion rate
Typical power dissipation: 2.2 watts
APPLICATIONS
Digital oscilloscopes
Transient capture
Radar, EW, ECM
Direct RF down-conversion
Medical electronics: ultrasound, CAT instrumentation
GENERAL DESCRIPTION
The SPT7725 is a monolithic flash A/D converter capable
of digitizing a two volt analog input signal into 8-bit digital
words at a 300 MSPS (typ) update rate.
For most applications, no external sample-and-hold is re-
quired for accurate conversion due to the device’s narrow
aperture time, wide bandwidth, and low input capacitance.
A single standard –5.2 volt power supply is required for
operation of the SPT7725, with nominal power dissipation
of 2.2 W. A proprietary decoding scheme reduces meta-
stable errors to the 1 LSB level.
The SPT7725 is available in 42-lead ceramic sidebrazed
DIP, surface-mount 44-lead cerquad, and 46-lead PGA
packages (all are pin-compatible with the SPT7710); the
cerquad and PGA packages allow access to additional
reference ladder taps, an overrange bit, and a data ready
output. The SPT7725 is available in the industrial tem-
perature range.
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