參數(shù)資料
型號(hào): TDC1147
廠商: Fairchild Semiconductor Corporation
英文描述: 7-Bit, 15 Msps Monolithic Video A/D Converter(7位,15Msps 單片視頻A/D轉(zhuǎn)換器)
中文描述: 7位,15 Msps的單片視頻A / D轉(zhuǎn)換(7位,15Msps單片視頻的A / D轉(zhuǎn)換器)
文件頁(yè)數(shù): 1/12頁(yè)
文件大?。?/td> 75K
代理商: TDC1147
www.fairchildsemi.com
Features
20 Msps conversion rate
No digital pipeline delay
7-bit resolution
1/2 LSB linearity
Sample-and-hold circuit not required
TTL compatible
Selectable output format
Availabb in 24 pin CERDIP
Applications
Low-cost video digitizing
Medical imaging
Data acquisition
High resolution A/D converters
Telecommunications systems
Radar data conversion
Description
The TDC1147 is a 7-bit flash analog-to-digital converter
which has no pipeline delay between sampling and valid
data. The output data register normally found on flash A/D
converters has been bypassed allowing data to transfer
directly to output drivers from the encoding logic section of
the circuit. The converter requires only one clock pulse to
perform the complete conversion operation. The conversion
time is guaranteed to be less than 60 nanoseconds.
The TDC1147 is function and pin-compatible with Fair-
child’s TDC1047 7-bit flash A/D converter which has an out-
put data register. The TDC1147 will operate accurately at
sampling rates up to 15 Msps and has an analog bandwidth
of 7 MHz. Linearity errors are guaranteed to be less than
0.4% over the operating temperature range.
Block Diagram
1
2
7
126
127
63
64
NMINV
NLINV
CONV
DIFFERENTIAL
COMPARATORS
(127)
127 TO 7
ENCODER
R
R
R
R
V
IN
R
T
R
1
D
1-7
R
2
R
B
R
65-1147-01
T DC1147
Monolithic Video A/D Converter
7-Bit, 15 Msps
Rev. 1.0.0
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