TDA8376 Datasheet, PDF (26/44 Pages) NXP Semiconductors – I2C-bus controlled PAL/NTSC TV processors

Philips Semiconductors
I²C-bus controlled PAL/NTSC TV processors
Objective specification
TDA8376; TDA8376A
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
REFERENCE SIGNAL OUTPUT FOR TDA8395 (PIN 36); note 22
f_ref
V_36(p-p)
reference frequency
output voltage amplitude
(peak-to-peak value)
−
4.43
0.2
0.25
V_o
output voltage level
PAL/NTSC identified
−
1.5
no PAL/NTSC identified; −
5.0
SECAM (by TDA8395)
identified
I₃₆
required current to stop PAL/NTSC
identification circuit during SECAM
150 −
Control part
SATURATION CONTROL; note 6
SAT_CR
saturation control range
63 steps; see Fig.7
CONTRAST CONTROL; note 6
CON_CR
contrast control range
63 steps
tracking between the three channels see Fig.8
over a control range of 10 dB
52
−
−
20
−
−
BRIGHTNESS CONTROL
BRI_CR
brightness control range
63 steps; see Fig.9
−
RGB OUTPUT SIGNALS (PINS 19, 20 AND 21)
V_{19,20,21(p-p)} output voltage amplitude
(peak-to-peak value)
at nominal luminance input tbf
signal, nominal contrast
and white-point
adjustment; note 6
at maximum white point
−
setting
V_BWmax(p-p) maximum voltage amplitude
(black-to-white)
note 23
−
at maximum white point
−
setting
V_RED(p-p)
output voltage amplitude for the ‘red’ at nominal settings for
tbf
channel (peak-to-peak value)
contrast and saturation
control and no luminance
signal to the input (R−Y,
PAL)
V_blank
blanking level at the RGB outputs
0.7
I_bias
internal bias current of NPN emitter
−
follower output transistor
I_o
Z_o
CR_bl
available output current
output impedance
control range of the black-current
stabilization
−
−
nominal brightness and
−
white-point adjustment (with
respect to the measuring
pulse); V_blk = 2.5 V
±0.7
2.0
3.0
2.6
3.6
2.1
0.8
1.5
5
150
−
MAX. UNIT
−
MHz
0.3
V
−
V
−
V
−
µA
−
dB
−
dB
0.5
dB
−
V
tbf
V
−
V
−
V
−
V
tbf
V
0.9
V
−
mA
−
mA
−
Ω
±1
V
1996 Jan 26
26