TDA4570 Datasheet, PDF (4/9 Pages) NXP Semiconductors – NTSC decoder

Philips Semiconductors
NTSC decoder
Product specification
TDA4570
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
Supply voltage range
Currents at:
V_P = V_7-3
pins 1 and 2
pin 16
Total power dissipation
Storage temperature range
Operating ambient temperature range
−I_{1, 2}
−I₁₆
P_tot
T_stg
T_amb
10,8 to 13,2
V
max.
5
mA
max.
5
mA
max.
800
mW
−25 to 150
°C
0 to +70
°C
THERMAL RESISTANCE
From junction to ambient in free air
R_{th j-a}
max.
80 K/W
CHARACTERISTICS
V_P = 12 V; T_amb = 25 °C; measured in Fig.2 unless otherwise specified
PARAMETER
SYMBOL
MIN.
Supply current
Chrominance part
I_P = I₇
−
Input voltage range
(peak-to-peak value)
Nominal input voltage
V_9-3(p-p)
10
(peak-to-peak value)
with 75% colour bar signal
V_9-3(p-p)
−
Input impedance
Input capacitance
Z_9-3
−
C_9-3
−
Oscillator and control voltage part
Oscillator frequency for
subcarrier frequency
3,58 MHz
4,43 MHz
Input resistance
Catching range
(depending on RC network
between pins 12 and 3)
Control voltage
without burst signal
colour switching threshold
hysteresis of colour switching
Colour-ON delay
Colour-OFF delay
f_osc
f_osc
R_13-3
∆f
V_14-3
V_14-3
V_14-3
t_{d on}
t_{d off}
−
−
−
± 300
−
−
−
−
−
TYP.
50
MAX.
−
UNIT
mA
−
400
mV
100
−
mV
3,3
−
kΩ
4,0
−
pF
7,16
−
8,86
−
350
−
−
−
6,0
−
6,6
−
150
−
−
3
−
1
MHz
MHz
Ω
Hz
V
V
mV
(note 1)
(note 1)
August 1986
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