THS0842 Datasheet, PDF (6/29 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
electrical characteristics over recommended operating conditions with f_CLK = 80 MSPS and use
of internal voltage references, AV_DD = DV_DD = DRV_DD = 3 V, T_A = –40°C to 80°C, dual output bus mode
(unless otherwise noted)
power supply
PARAMETER
IDD
Operating supply current
PD
Power dissipation
PD(STBY) Standby power
AVDD
DVDD
DRVDD
TEST CONDITIONS
AVDD = DVDD = DRVDD = 3.3 V,
CL = 15 pF, VI = 1 MHz, –1 dBFS
PWDN_REF = L
PWDN_REF = H
STBY = H, CLK held high or low
MIN TYP MAX UNIT
73
95
3 3.8 mA
17
22
320 393
275 335 mW
11
15
logic inputs
PARAMETER
IIH High-level input current on CLK†
IIL
Low-level input current on digital inputs
(OE, STDBY, PWDN_REF, CLK)
TEST CONDITIONS
AVDD = DVDD = DRVDD = CLK = 3.6 V
AVDD = DVDD = DRVDD = 3.6 V,
Digital inputs at 0 V
MIN TYP MAX UNIT
10 µA
10 µA
CI Input capacitance
5
pF
† _{IIH leakage current on other digital inputs (OE, STDBY, PWDN_REF) is not measured since these inputs have an internal pull-down resistor of}
4 KΩ to DGND.
logic outputs
PARAMETER
VOH High-level output voltage
TEST CONDITIONS
AVDD = DVDD = DRVDD = 3 V at IOH = 50 µA,
Digital output forced high
MIN TYP MAX UNIT
2.8
V
VOL Low-level output voltage
AVDD = DVDD = DRVDD = 3.6 V at IOL = 50 µA,
Digital output forced low
0.1 V
CO
IOZH
IOZL
Output capacitance
High-impedance state output current to
high level
High-impedance state output current to
low level
AVDD = DVDD = DRVDD = 3.6 V
5
pF
10 µA
10 µA
6
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