TDA4882 Datasheet, PDF (14/28 Pages) NXP Semiconductors – Advanced monitor video controller for OSD

Philips Semiconductors
Advanced monitor video controller for OSD
Product specification
TDA4882
handbook,⁵h⁰alfpage
40
∆Vbl
(%) ₃₀
20
10
0
−10
−20
−30
0
2
4
2.24
MHA818
400
(mV)
300
200
100
0
−100
−200
6
8
Vi _(BC)
handbo¹o⁴k,⁰h⁰alfpage
signal
amplitude
(mV)
1000
800
600
400
200
0
−200
0
2
0.7
4
4.3
MHA819
4
(dB)
3
2
1
0
−1
−3
−5
−10
−20
−40
6
8
Vi(CC) (V)
Fig.5 Typical brightness characteristic.
Fig.6 Typical contrast characteristic.
handbo¹o²k,⁰h⁰alfpage
signal
amplitude
(mV)
800
400
MHA821
3
(dB)
2
1
0
−1
−2
−3
−4
−5
−6
−8
0
0
2
4
6
8
3.75
Vi(GC) (V)
Fig.7 Typical gain characteristic.
handboo⁵k^.,⁸h⁵alfpage
5.84
Vref(int)
(V) 5.83
5.82
5.81
5.80
5.79
5.78
5.77
5.76
5.75
−20
0
VP = 8.8 V
8.0 V
MHA822
7.2 V
20
40
60
80 100
Tamb (°C)
Conditions: 0.5 V reference black level, no signal.
Fig.8 Typical variation of V_ref(int) with temperature
and supply voltage.
1997 Sep 04
14