TDA4886A Datasheet, PDF (15/52 Pages) NXP Semiconductors – 140 MHz video controller with I2C-bus

Philips Semiconductors
140 MHz video controller with I²C-bus
Product specification
TDA4886A
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Frequency response at signal outputs (channel 1: pin 22; channel 2: pin 19; channel 3: pin 16)
∆G_22,19,16(f)
t_r(22,19,16)
amplification decrease by
frequency response
rise time of fast transients
f = 165 MHz;
−
V_i(b-w) ≤ 0.2 V (small signal)
input rise time = 1 ns;
−
10 to 90% amplitude;
nominal colour signal; note 23
1.2 3.0 dB
2.8 3.1 ns
t_f(22,19,16)
fall time of fast transients
input fall time = 1 ns;
−
90 to 10% amplitude;
nominal colour signal; note 23
3.8 4.1 ns
dV_22,19,16
overshoot of output signal pulse input rise time = 1 ns;
related to actual output pulse nominal colour signal
amplitude
8
17
30
%
undershoot of output signal
pulse related to actual output
pulse amplitude
input fall time = 1 ns;
nominal colour signal
3
13
25
%
Crosstalk at signal outputs (channel 1: pin 22; channel 2: pin 19; channel 3: pin 16)
α_ct(tr)
α_ct(f)
transient crosstalk suppression
crosstalk suppression by
frequency
input rise/fall time = 1 ns;
note 24
f = 50 MHz
f = 100 MHz
10
−
−
dB
25
−
−
dB
10
−
−
dB
Internal feedback reference voltage; see Fig.12 and note 25
V_ref(n)
internal reference voltage for
negative feedback polarity
FFH (minimum); FPOL = 0
00H (maximum); FPOL = 0
3.85 4.05 4.2 V
5.6 5.77 5.9 V
V_ref(p)
internal reference voltage for
positive feedback polarity
FPOL = 1
BLH2 = 0; BLH1 = 0
BLH2 = 0; BLH1 = 1
0.71 0.77 0.83 V
0.95 1.01 1.07 V
BLH2 = 1; BLH1 = 0
1.19 1.25 1.31 V
BLH2 = 1; BLH1 = 1
1.43 1.49 1.55 V
Output clamping, feedback inputs for DC coupling (channel 1: pin 23; channel 2: pin 20; channel 3: pin 17)
I_{23,20,17(max)}
maximum input current
during output clamping;
−500 −200 −60 nA
V₁₁ > 3.5 V; V_23,20,17 = 0.5 V;
FPOL = 0
V_{22,19,16(rbl)(min)} minimum reference black level PEDST = 0; V₁₁ > 3.5 V;
FPOL = 0
0.01 0.1 0.5 V
minimum pedestal black level PEDST = 1; V₁₁ > 3.5 V;
FPOL = 0
0.01 0.1 0.5 V
V_{22,19,16(rbl)(max)} maximum reference black level PEDST = 0; V₁₁ > 3.5 V;
FPOL = 0
2.4 2.8 −
V
maximum pedestal black level PEDST = 1; V₁₁ > 3.5 V;
FPOL = 0
2.4 2.8 −
V
∆V_bl(CRT)
black level variation at CRT
FPOL = 0; note 26
−
−
200 mV
1998 Dec 04
15