THS8135 Datasheet, PDF (16/23 Pages) Texas Instruments – TRIPLE 10-BIT, 240 MSPS VIDEO DAC WITH TRI-LEVEL SYNC AND VIDEO (ITU-R.BT601) COMPLIANT FULL SCALE RANGE

THS8135
TRIPLE 10-BIT, 240 MSPS VIDEO DAC WITH TRI-LEVEL SYNC AND VIDEO
(ITU-R.BT601)—COMPLIANT FULL SCALE RANGE
SLAS343A – MAY 2001 – REVISED JUNE 2002
recommended operating conditions over operating free-air temperature range, T_A
power supply
MIN NOM MAX UNIT
Supply voltage
AVDD
DVDD
3 3.3 3.6
1.65 1.8
V
2
digital and reference inputs
MIN NOM MAX UNIT
High-level input voltage, VIH
Low-level input voltage, VIL
Clock frequency, fclk
Clock high pulse duration, tw(CLKH)
1.2
DVSS
0
40%
DVDD
0.7
240
60%
V
V
MHz
CLK
period
Clock low pulse duration, tw(CLKL)
40%
60% CLK
period
FSADJ resistor, RFS, See Note 1
3.8
kΩ
NOTE 1: RFS should be chosen such that the maximum full-scale DAC output current (IFS) does not exceed their maximum stated levels. This
yields the nominal output voltage compliance at the nominal load termination of 37.5 Ω.
electrical characteristics over recommended operating conditions with f_CLK = 240 MSPS and use
of internal reference voltage (unless otherwise noted) V_REF, with R_FS = R_FS(nom) and 37.5-Ω load
termination
power supply (1 MHz, –1 dBFS digital sine simultaneously applied to all three channels)
PARAMETER
TEST CONDITIONS
MIN TYP
RGB
89
95
IAVDD Operating supply current, analog
YCbCr
71
76
Generic (700 mV)
63
66
IDVDD Operating supply current, digital
AVDD = 3.3 V,
DVDD = 1.8 V,
CLK = 80 MSPS
RGB
YCbCr
Generic (700 mV)
14.5
11.7
14.64
15.1
12.15
15.1
RGB
328 338
PD
Power dissipation
YCbCr
Generic (700 mV)
262 270
237 245
IAVDD Operating supply current, analog
IDVDD Operating supply current, digital
PD
Power dissipation
AVDD = 3.3 V,
DVDD = 1.8 V,
CLK = 240 MSPS
RGB
Generic (700 mV)
RGB
Generic (700 mV)
RGB
Generic (700 mV)
89
95
63
66
38
40
38
40
373 384
281 290
IAVDD
IDVDD
PD
IAVDD
IDVDD
PD
Operating supply current, analog
Operating supply current, digital
Power dissipation
Operating supply current, analog
Operating supply current, digital
Power dissipation
AVDD = 3.3 V,
114
DVDD = 1.8 V,
Generic (1.3 V)
16
CLK = 80 MSPS
405
AVDD = 3.3 V,
114
DVDD = 1.8 V,
Generic (1.3 V)
41
CLK = 240 MSPS
450
MAX
100
80
69
15.7
12.7
15.7
350
280
252
100
69
41
41.1
394
298
UNIT
mA
mW
mA
mW
mA
mW
mA
mW
16
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