TDA4670 Datasheet, PDF (6/16 Pages) NXP Semiconductors – Picture Signal Improvement PSI circuit

Philips Semiconductors
Picture Signal Improvement (PSI) circuit
Product specification
TDA4670
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134). V_P1 and V_P2 as well as GND1 and GND2
connected together.
SYMBOL
V_P1
V_P2
P_tot
T_stg
T_amb
V_ESD
PARAMETER
supply voltage (pin 1)
supply voltage (pin 5)
total power dissipation
storage temperature
operating ambient temperature
electrostatic handling
for pins 9 and 10
for other pins
CONDITIONS
note 1
MIN.
0
0
0
−25
0
MAX.
8.8
8.8
0.97
+150
70
UNIT
V
V
W
°C
°C
−
+300 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_P1 = V_P2 = 5 V; nominal video amplitude V_VB = 315 mV; t_H = 64 µs; t_BK = 4 µs (burst key); T_amb = 25 °C;
measurements taken in Fig.4; unless otherwise specified.
SYMBOL
PARAMETER
V_P1
V_P2
I_P(tot)
supply voltage (pin 1)
supply voltage (pin 5)
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
CONDITIONS
during clamping
outside clamping
outside clamping
set via I²C-bus
set via I²C-bus
MIN.
4.5
4.5
31
TYP.
5
5
41
MAX.
8.8
8.8
52
UNIT
V
V
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