TDA4670 Datasheet, PDF (4/16 Pages) NXP Semiconductors – Picture Signal Improvement PSI circuit

Philips Semiconductors
Picture Signal Improvement (PSI) circuit
Product specification
TDA4670
PINNING
SYMBOL PIN
DESCRIPTION
V_P1
C_DL
V_{i(R − Y)}
V_{o(R − Y)}
1 positive supply voltage 1
2 capacitor of delay time control
3 ±(R − Y) colour-difference input signal
4 ±(R − Y) colour-difference output
signal
V_P2
V_{o(B − Y)}
V_{i(B − Y)}
GND2
SDA
SCL
5 positive supply voltage 2
6 ±(B − Y) colour-difference output
signal
7 ±(B − Y) colour-difference input signal
8 ground 2 (0 V)
9 I²C-bus serial data input/output
10 I²C-bus serial clock input
C_COR
V_oY
C_CLP1
C_CLP2
C_ref
V_iY
SAND
11 coring capacitor
12 delayed luminance output signal
13 black level clamping capacitor 1
14 black level clamping capacitor 2
15 capacitor of reference voltage
16 luminance input signal
17 sandcastle pulse input
GND1
18 ground 1 (0 V)
handbook, halfpage
VP1 ₁
CDL ₂
Vi(R _{− Y)} 3
Vo(R _{− Y) 4}
VP2 5
Vo(B _{− Y)} 6
Vi(B _{− Y) 7}
GND2 8
SDA 9
18 GND1
17 SAND
16 ViY
15 Cref
TDA4670 14 ^CCLP2
13 ^CCLP1
12 VoY
11 ^CCOR
10 SCL
MEH188
Fig.2 Pin configuration.
1996 Dec 11
4