THS0842 Datasheet, PDF (5/29 Pages) Texas Instruments – DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER WITH SINGLE OR DUAL PARALLEL BUS OUTPUT

THS0842
DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER
WITH SINGLE OR DUAL PARALLEL BUS OUTPUT
SLAS246 – DECEMBER 1999
absolute maximum ratings over operating free-air temperature (unless otherwise noted)^†
Supply voltage: AV_DD to AGND, DV_DD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 4 V
Supply voltage: AV_DD to DV_DD, AGND to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 0.5 V
Digital input voltage range to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to DV_DD + 0.5 V
Analog input voltage range to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to AV_DD + 0.5 V
Digital output voltage applied from external source to DGND . . . . . . . . . . . . . . . . . . . – 0.5 V to DV_DD + 0.5 V
Reference voltage input range to AGND: V_(REFT), V_(REFB) . . . . . . . . . . . . . . . . . . . . – 0.5 V to AV_DD + 0.5 V
Operating free-air temperature range, T_A: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40°C to 85°C
Storage temperature range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 55°C to 150°C
† _{Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and}
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions over operating free-air temperature range
power supply
Supply voltage
AVDD
DVDD
DRVDD
MIN NOM MAX UNIT
3 3.3 3.6 V
analog and reference inputs
Reference input voltage (top), V(REFT)
Reference input voltage (bottom), V(REFB)
Reference voltage differential, V(REFT) – V(REFB)
Analog input voltage, V(IN)
MIN
(NOM) – 0.2
0.8
V(REFB)
NOM
AVDD – 1
1
MAX
(NOM) + 0.2
1.2
AVDD – 2
V(REFT)
UNIT
V
V
V
V
digital inputs
High-level input voltage, VIH
Low-level input voltage, VIL
Clock period, tc
Pulse duration, clock high, tw(CLKH)
Pulse duration, clock low, tw(CLKL)
MIN
2.0
DGND
12.5
5.25
5.25
NOM MAX
DVDD
0.2xDVDD
UNIT
V
V
ns
ns
ns
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