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ADS8481 Datasheet(PDF) 5 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
Part No. ADS8481
Description  18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
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Maker  BURR-BROWN [Burr-Brown (TI)]
Homepage  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

ADS8481 Datasheet(HTML) 5 Page - Burr-Brown (TI)

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SPECIFICATIONS (Continued)
ADS8481
SLAS385A – FEBRUARY 2006 – REVISED MARCH 2006
T
A = –40°C to 85°C, +VA = 5 V, +VBD = 3 V or 5 V, Vref = 4.096 V, fSAMPLE = 1 MSPS (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INTERNAL REFERENCE OUTPUT
Internal reference start-up time
From 95% (+VA), with 1-
µF storage capacitor
120
ms
Reference voltage range, Vref
IO = 0 A
4.081
4.096
4.111
V
Source current
Static load
10
µA
Line regulation
+VA = 4.75 V to 5.25 V
60
µV
Drift
IO = 0 A
±6
PPM/C
DIGITAL INPUT/OUTPUT
Logic family – CMOS
VIH
IIH = 5 µA
+VBD–1
+VBD +0.3
VIL
IIL = 5 µA
–0.3
0.8
Logic level
V
VOH
IOH = 2 TTL loads
+VBD– 0.6
VOL
IOL = 2 TTL loads
0.4
Data format – Straight Binary
POWER SUPPLY REQUIREMENTS
+VBD
2.7
3.3
5.25
V
Power supply
voltage
+VA
4.75
5
5.25
V
Supply current(1)
fs = 1 MHz
44
48
mA
Power dissipation(1)
fs = 1 MHz
220
240
mW
TEMPERATURE RANGE
Operating free-air
–40
85
°C
(1)
This includes only +VA current. +VBD current is typical 1 mA with 5 pF load capacitance on all output pins.
5
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