TDA4885 Datasheet, PDF (37/56 Pages) NXP Semiconductors – 150 MHz video controller with I2C-bus

PIN
SYMBOL AND
DESCRIPTION
CHARACTERISTIC
11 HFB;
horizontal
flyback input
(output
clamping,
blanking)
V₁₁ > 0.2 V:
open-circuit base
V₁₁ ≤ 0.2 V:
source current rising
with decreasing
voltage
12 GM₁;
R₁₂ = 20 kΩ;
gain modulation open-circuit voltage
input channel 1 V₁₂ = 2.0 V
13 GM₂;
R₁₃ = 20 kΩ;
gain modulation open-circuit voltage
input channel 2 V₁₃ = 2.0 V
WAVEFORM
5 V 2VBE
0V
6 kΩ
MHA649
EQUIVALENT CIRCUIT
VP
10 kΩ
27 µA
clamping
27 µA
blanking
12 kΩ
VP
11
3 V + VBE
1 kΩ
10 kΩ
1.7 V
power on/down
MHA625
3V
2V
1V
MHA650
5.5 V
2.2 V
VP
12
10 kΩ
27.5 kΩ
15.7 kΩ
MHA626
3V
2V
1V
MHA650
5.5 V
2.2 V
VP
13
10 kΩ
27.5 kΩ
15.7 kΩ
MHA627