TDA4886A Datasheet, PDF (16/52 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
∆V_{22,19,16(bl)(lf)}
black level variation between
clamping pulses related to
nominal colour signal
FPOL = 0;
line frequency = 60 kHz;
10% duty cycle
−
0.25 0.5 %
Output clamping for AC coupling (internal feedback of signal outputs)
V_{22,19,16(rbl)}
reference black level
pedestal black level
∆V_{22,19,16(bl)(lf)}
black level variation between
clamping pulses related to
nominal colour signal
V₁₁ > 3.5 V; FPOL = 1;
PEDST = 0
BLH2 = 0; BLH1 = 0
BLH2 = 0; BLH1 = 1
BLH2 = 1; BLH1 = 0
BLH2 = 1; BLH1 = 1
V₁₁ > 3.5 V; FPOL = 1;
PEDST = 1
BLH2 = 0; BLH1 = 0
BLH2 = 0; BLH1 = 1
BLH2 = 1; BLH1 = 0
BLH2 = 1; BLH1 = 1
FPOL = 1;
line frequency = 60 kHz;
10% duty cycle
0.71 0.77 0.83 V
0.95 1.01 1.07 V
1.19 1.25 1.31 V
1.43 1.49 1.55 V
0.71 0.77 0.83 V
0.95 1.01 1.07 V
1.19 1.25 1.31 V
1.43 1.49 1.55 V
−
0.25 0.5 %
External reference voltages for AC coupling (FB/R₁: pin 23; FB/R₂: pin 20; FB/R₃: pin 17); see Fig.13 and
note 27
V_23,20,17
external reference voltage
R_23,20,17
I_{23,20,17(sink)}
I_{23,20,17(source)}
output resistance
maximum sink current
maximum source current
FFH (minimum); FPOL = 1
00H (maximum); FPOL = 1
FPOL = 1
FPOL = 1
FPOL = 1
3.85 4.05 4.2 V
5.6 5.77 5.9 V
−
100 −
Ω
−
−
400 µA
−
−330 −280 µA
I²C-bus inputs (SDA: pin 12; SCL: pin 13); note 28
f_SCL
V_IL
V_IH
I_IL
I_IH
V_OL
I_12(ack)
V_th(POR)(r)
V_th(POR)(f)
SCL clock frequency
LOW-level input voltage
HIGH-level input voltage
LOW-level input current
HIGH-level input current
LOW-level output voltage
V_IL = 0 V
V_IH = 5 V
during acknowledge
output current at pin 12 during V_OL = 0.4 V
acknowledge
threshold for power-on reset on rising supply voltage
falling supply voltage
threshold for power-on reset off rising supply voltage
falling supply voltage
−
−
0.0 −
3.0 −
−10 −
−10 −
0.0 −
3.0 −
−
1.5
−
3.5
−
−
−
1.5
100 kHz
1.5 V
5.0 V
−
µA
−
µA
0.4 V
5.0 mA
2.0 V
−
V
7.0 V
−
V
1998 Dec 04
16