參數(shù)資料
型號: HI1276AIL
廠商: INTERSIL CORP
元件分類: ADC
英文描述: 8-Bit, 500 MSPS, Flash A/D Converter
中文描述: 2-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, CQCC68
封裝: CERAMIC, LCC-68
文件頁數(shù): 9/11頁
文件大?。?/td> 102K
代理商: HI1276AIL
4-9
A/D OUTPUT CODE TABLE
(NOTE 1)
V
IN
0V
STEP
MINV 1, LINV 1
0, 1
1, 0
0, 0
OR
1
D7
000 00
D0
OR
1
D7
100 00
D0
OR
1
D7
011 11
D0
OR
1
D0
111 11
D7
0
1
0
0
000 00
000 01
011 11
100 00
111 10
111 11
111 11
0
0
100 00
100 01
111 11
000 00
011 10
011 11
011 11
0
0
011 11
011 10
000 00
111 11
100 01
100 00
100 00
0
0
111 11
111 10
100 00
011 11
000 01
000 00
000 00
-1V
127
128
0
0
0
0
0
0
0
0
254
255
0
0
0
0
0
0
0
0
0
0
0
0
-2V
Test Circuits
FIGURE 13. MAXIMUM CONVERSION RATE AND DIFFERENTIAL GAIN/PHASE ERROR TEST CIRCUIT
FIGURE 14. INTEGRAL AND DIFFERENTIAL LINEARITY ERROR TEST CIRCUIT
SIGNAL
SOURCE
NTSC
SG (CW)
V
IN
8
8
SCOPE
VECTOR
DG/DP
FUNCTION
GENERATOR
AMP
HI1276
DUT
ECL
LATCH
D/A
10 BIT
-4.5V
CLK
1
2
OSCILLO-
SCOPE
HI20201
2
DIVIDER
50
DUTY
CLK
110
110
100
100
1
2
AMP
MAXIMUM
CONVERSION RATE
0V
-2V
fms
SWITCH POSITION
1. MAXIMUM CONVERSION RATE
2. DG/DP
-
+
V
IN
HI1276
DUT
8
CLK (250 MSPS)
A<B
A>B
COMPARATOR
A8
TO
A1
A0
B8
TO
B1
B0
“0”
“1”
8
S1
S2
-V
+V
S1 : A < B : ON
S2 : A > B : ON
BUFFER
DVM
CONTROLLER
8
TO
111 10
000 00
HI1276
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