參數(shù)資料
型號: HMP8117CNZ
廠商: Intersil
文件頁數(shù): 23/45頁
文件大?。?/td> 0K
描述: IC VIDEO DECODER NTSC/PAL 80PQFP
標(biāo)準(zhǔn)包裝: 66
類型: 視頻解碼器
應(yīng)用: 視頻
電壓 - 電源,模擬: 4.75 V ~ 5.25 V
電壓 - 電源,數(shù)字: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 80-BQFP
供應(yīng)商設(shè)備封裝: 80-QFP(14x20)
包裝: 托盤
3
FN4643
.4
July
29,
200
9
HMP81
1
7
Analog Front End Block Diagram
LCAP
M
U
X
1.0
μF
VID1
VID2
Y_IN
1.0
μF
1.0
μF
CLAMP
75
7
6
5
CVBS2
CVBS1
CVBS3(Y)
1.75V
2X
76
0.1
μF
100
μA
100
μA
CHARGE PUMP
9
EXTERNAL
ANTI-ALIAS
FILTER
8
10-BIT
ADC
10
SYNC-TIP ENABLE
DIGITAL
ANTI-
ALIAS
13-STEP
VARIABLE
ATTENUATOR
FILTER
8-BI
T
YOUT
Y[7:0]
YIN
LOW-PASS
FILTER
(REMOVE Fsc)
GAIN
CORRECTION
LOGIC
BACKPORCH
ENABLE
GAIN CONTROL
SET POINT
FINE ADJUST MULT. FACTOR
CORRECTION
MUL
T
IP
LIE
R
DISABLE
11
4
STORAGE
CAP
BUF
CHROMA
ATTEN
CHROMA
ATTEN
(BELOW)
CCAP
2X
29
C_IN
1.0
μF
C
19
75
EXTERNAL
ANTI-ALIAS
FILTER
17
10
A/D_TEST
BUF
DISCHARGE
CHARGE
100
μA
100
μA
CHARGE PUMP
DISCHARGE
CHARGE
BIAS/
INTERNAL
REFERENCE
0.1
μF
STORAGE
CAP
1.0
μF
78
28
RSET
REF_CAP
12.
1k
C[7:0]
#
DECODER PIN #
MUX
SELECT
DIGITAL
ANTI-
ALIAS
FILTER
DISABLE
LUMA
DC-RESTORE
LOGIC
CHROMA
DC-RESTORE
LOGIC
CHROMA MULT.
(BELOW)
CHROMA
MULT.
(OFFSET LUMA SIGNAL TO LOWER ADC REF ~= 1.5V)
(OFFSET CHROMA SIGNAL TO ADC MID-SCALE ~= 2.0V)
CORRECTION
MUL
T
IP
LIER
7
NOMINAL (NTSC) OPERATING CONDITION
6
5
CVBSX. SIZE = INPUT. SYNC TIP CLAMPED AT ~= 1.75 VDC.
8
YOUT/YIN. SIZE = ~1.0 VP-P, SYNC TIP OFFSET ~= 1.5 VDC.
PIN #
19
C. SIZE = INPUT SIZE. PORCH OFFSET ~= 2.0 VDC.
17
A/D_TEST. SIZE ~= F(LUMA AGC), PORCH OFFSET ~= 2.0VDC.
9
CHROMA INPUT
76
NOMINAL (NTSC) OPERATING CONDITION
LCAP. DC-SIGNAL OFFSET ~= 2.4 VDC.
29
CCAP. DC-SIGNAL OFFSET ~= 2.4 VDC.
PIN #
28
RSET. DC-SIGNAL OFFSET ~= 1.2 VDC.
78
REF_CAP. DC-SIGNAL OFFSET ~= 2.5 VDC.
2.5V
1.5V
10-BIT
ADC
2.5V
1.5V
SYNC-TIP ENABLE
TR
UNCA
T
E
8-BI
T
RUNCA
T
E
1.75V
(SIGNAL BIAS ~ 2.0V)
4 TO 13
DECODER
13
POWERDOWN
75
13-STEP
VARIABLE
ATTENUATOR
1.75V
TO
MUX
50
μA
REF
CLAMP
2.0V
1.0
μF
75
#
PIN
VAA
INPUT
VIDEO
nmos
(INTERNAL CLAMP)
(EXTERNAL)
+
-
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