SAA7111AH NXP Semiconductors, SAA7111AH Datasheet - Page 21

• Manufacturer Part Number: SAA7111AH
• Manufacturer: NXP Semiconductors

Specifications of SAA7111AH

• Pin Count: 64
• Package Type: PQFP
• Lead Free Status / RoHS Status: Compliant

Philips Semiconductors
10 GAIN CHARTS
1998 May 15
handbook, full pagewidth
Enhanced Video Input Processor (EVIP)
WIPE = white peak level (254); SBOT = sync bottom level (1); CLL = clamp level [60 Y (128 C)];
HSY = horizontal sync pulse; HCL = horizontal clamp pulse.
NO BLANKING ACTIVE
CLAMP
1
CLL
handbook, halfpage
CLAMP
0
1
dB
7.5
5.5
3.5
1.5
0.5
2.5
4.5
HCL
0
factor
bit [8] = 1
<- CLAMP
NO CLAMP
ANALOG INPUT
1
Fig.13 Clamp and gain flow.
0
dB
VBLK
ADC
= 20 x log
Fig.12 Amplifier curve.
factor
i > 256
dB
0
= 20 x log
256
10
gain =
GAIN
bit [8] = 0
21
0
gain value (i)
(
10
768
SBOT
512
gain =
GAIN ->
i < 256
1
i
(
(
1
GAIN
257
512
512
HSY
MGC648
i
(
fast
0
GAIN
1
WIPE
slow
0
MGC647
GAIN
Product specification
SAA7111A