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TDA8772 Datasheet(PDF) 7 Page - NXP Semiconductors

Part No. TDA8772
Description  Triple 8-bit video digital-to-analog converter
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 7 page
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1997 Mar 06
7
Philips Semiconductors
Product specification
Triple 8-bit video digital-to-analog
converter
TDA8772
CHARACTERISTICS
TDA8772H/3 operating at 35 MHz and TDA8772H/8 operating at 85 MHz unless otherwise specified.
VDDA =VDDD = 4.5 V to 5.5 V; VSSA and VSSD shorted together; VDDA − VDDD = −0.5 V to +0.5 V; Tamb = 0 to +70 °C;
typical values measured at VDDA =VDDD = 5 V and Tamb =25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
VDDA
analog supply voltage
4.5
5.0
5.5
V
VDDD
digital supply voltage
4.5
5.0
5.5
V
IDDA
analog supply current
RL =75 Ω; note 1
40
65
100
mA
IDDD
digital supply current
TDA8772H/3
716
mA
TDA8772H/8
16
27
mA
Inputs
CLOCK INPUTS (PINS 21 TO 23)
VIL
LOW level input voltage
VSSD − 0.5 −
0.8
V
VIH
HIGH level input voltage
2.0
VDDD + 0.5 V
BLANK, SYNC INPUTS (PINS 12 AND 11; ACTIVE LOW)
VIL
LOW level input voltage
VSSD − 0.5 −
0.8
V
VIH
HIGH level input voltage
2.0
VDDD + 0.5 V
R, G, B DIGITAL INPUTS (PINS 1 TO 8, 13 TO 20 AND 24 TO 31)
VIL
LOW level input voltage
VSSD − 0.5 −
0.8
V
VIH
HIGH level input voltage
2.0
VDDD + 0.5 V
IREFA INTERNAL REFERENCE SUPPLY CURRENT (PIN 38)
Ii(REFA)
input current
0.17
0.25
mA
IREFB OUTPUT BUFFER SUPPLY CURRENT (PIN 41)
Ii(REFB)
input current
0.5
0.7
mA
Timing (CL = 25 pF; RL =75 Ω); see Fig.3
fclk(max)
maximum clock frequency
TDA8772H/3
35
−−
MHz
TDA8772H/8
85
−−
MHz
tCPH
clock pulse width HIGH
5
−−
ns
tCPL
clock pulse width LOW
5
−−
ns
tr
clock rise time
TDA8772H/3
−−
5ns
TDA8772H/8
−−
3ns
tf
clock fall time
TDA8772H/3
−−
5ns
TDA8772H/8
−−
3ns
tSU;DAT
input data set-up time
4
−−
ns
tHD;DAT
input data hold time
2.5
−−
ns




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