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TDA4887PS Datasheet, PDF (19/68 Pages) NXP Semiconductors – 160 MHz bus-controlled monitor video preamplifier
Philips Semiconductors
160 MHz bus-controlled monitor video
preamplifier
Product specification
TDA4887PS
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Output clamping; internal feedback (of signal outputs) reference voltage for AC coupling;
see Fig.13 and note 28
Vbl(n)(ref)
reference black level
VHFB > 3.5 V; FPOL = 1
voltage/pedestal black level 00H (minimum)
0.47
0.53 0.59
V
voltage (pins 22, 19 and 16) 0FH (maximum)
1.83
1.89 1.95
V
DAC output voltages for AC coupling; FB/R1, FB/R2 and FB/R3 (pins 23, 20 and 17); see Fig.14 and note 29
VFB/Rn
DAC output voltage (without FFH; FPOL = 1; BRI = 0
3.7
3.95 4.1
V
brightness control)
00H; FPOL = 1; BRI = 0
5.6
5.75 5.9
V
DAC output voltage (with FFH; FPOL = 1; BRI = 1; 2.3
2.55 2.7
V
brightness control, see also maximum brightness
brightness control ∆VDA(n)) 00H; FPOL = 1; BRI = 1;
5.6
5.75 5.9
V
minimum brightness
RFB/Rn
IFB/Rn(sink)(max)
IFB/Rn(source)(max)
output resistance
maximum sink current
maximum source current
FPOL = 1
FPOL = 1
FPOL = 1
−
100 −
Ω
−
−
400
µA
−
−200 −
µA
I2C-bus inputs; SDA (pin 12), SCL (pin 13); note 30
fSCL
VIL
VIH
IIL
IIH
VOL
ISDA(ack)
to(f)
Vth(POR)(r)
Vth(POR)(f)
SCL clock frequency
−
−
100
kHz
LOW-level input voltage
0
−
1.5
V
HIGH-level input voltage
3
−
5
V
LOW-level input current
VIL = 0 V
−10
−
−
µA
HIGH-level input current
VIH = 5 V
−10
−
−
µA
LOW-level output voltage during acknowledge
0
−
0.4
V
SDA output current (pin 12) VOL = 0.4 V
during acknowledge
VOL = 0.6 V
3
−
−
mA
6
−
−
mA
output fall time
VSDA = 3 to 1.5 V; bus
−
capacitance CSDA = 400 pF
−
250
ns
threshold for Power-on reset rising supply voltage
−
on
falling supply voltage
−
1.5 2.0
V
3.5 −
V
threshold for Power-on reset rising supply voltage
−
−
7
V
off
falling supply voltage
−
1.5 −
V
2001 Oct 19
19