TDA4672 Datasheet, PDF (6/16 Pages) NXP Semiconductors – Picture Signal Improvement PSI circuit with enhanced peaking function

Philips Semiconductors
Picture Signal Improvement (PSI) circuit
with enhanced peaking function
Product specification
TDA4672
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134). GND1 and GND2 are connected together.
SYMBOL
V_P
V_I
V_9,10
V₁₇
I_8-18
I_3-4
I_6-7
P_tot
T_stg
T_amb
V_ESD
PARAMETER
supply voltage (pin 1)
input voltage (pins 2 to 7 and pins 11 to 16)
input voltage at pins 9 and 10
input voltage at pin 17
current between pins 8 and 18
current between pins 3 and 4
current between pins 6 and 7
total power dissipation
storage temperature
operating ambient temperature
electrostatic handling
for pin 17
for other pins
CONDITIONS
note 1
MIN.
0
−0.1
−0.1
−0.1
−
−
−
0
−25
0
MAX.
8.8
V_P
+8.8
+12
±20
±4
±4
0.97
+150
70
UNIT
V
V
V
V
mA
mA
mA
W
°C
°C
−
+250 V
−
−500 V
−
±500 V
Note
1. Equivalent to discharging a 200 pF capacitor through a 0 Ω series resistor.
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
R_{th j-a}
thermal resistance from junction to ambient in free air
VALUE
82
UNIT
K/W
CHARACTERISTICS
V_P = 5 V; nominal video amplitude V_VB = 315 mV; t_H = 64 µs; t_BK = 4 µs (burst key); T_amb = 25 °C and measurements
taken in Fig.4; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
V_P
I_P(tot)
supply voltage (pin 1)
total supply current
Y-signal path
V_i(Y)(p-p)
VBS input signal on pin 16
(peak-to-peak value)
V₁₆
black level clamping voltage
I₁₆
input current
R₁₆
C₁₆
t_d(Y)(max)
t_d(Y)(min)
input resistance
input capacitance
maximum Y delay time
minimum Y delay time
during clamping
outside clamping
outside clamping
set via I²C-bus
set via I²C-bus
4.5
5
26
37
8.8
V
46
mA
−
450
640
mV
−
3.1
−
V
±95
−
±190 µA
−
−
±0.1 µA
5
−
−
MΩ
−
3
10
pF
1070 1100 1130 ns
−
20
−
ns
1996 Dec 11
6