SAA7118E NXP Semiconductors, SAA7118E Datasheet - Page 19

• Manufacturer Part Number: SAA7118E
• Manufacturer: NXP Semiconductors

Specifications of SAA7118E

• Adc/dac Resolution: 9b
• Screening Level: Commercial
• Package Type: LBGA
• Pin Count: 156
• Lead Free Status / RoHS Status: Compliant

NXP Semiconductors
SAA7118_7
Product data sheet
Fig 9.
X = system variable
Y = AGV
GUDL = gain update level (adjustable)
VBLK = vertical blanking pulse
HSY = horizontal sync pulse
AGV = actual gain value
FGV = frozen gain value
Gain flow chart
STOP
NO ACTION
FGV > GUDL
+1 / F
0
1
Rev. 07 — 7 July 2008
< 4
> 496
0
Multistandard video decoder with adaptive comb filter
1
+1 / L
ANTI-ALIAS FILTER
0
> 510
ANALOG INPUT
1
AMPLIFIER
GAIN ACCUMULATOR (18 BITS)
VBLK
X = 0
ADC
1 / LLC2
1
1
ACTUAL GAIN VALUE 9-BIT (AGV) [ 3/+ 6 dB ]
AGV
HOLDG
1
0
1
< 1
1
9
X
gain
+1 / LLC2
0
1
GAIN VALUE 9-BIT
X
0
1
0
UPDATE
HSY
LUMA/CHROMA DECODER
0
HSY
1
1 / LLC2
X = 1
DAC
0
1
0
Y
> 510
0
SAA7118
FGV
mhb728
© NXP B.V. 2008. All rights reserved.
+/ 0
0
9
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