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ADS8401 Datasheet(PDF) 4 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
Part No. ADS8401
Description  16-BIT, 1.25 MSPS, UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG-TODIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
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Maker  BURR-BROWN [Burr-Brown (TI)]
Homepage  http://www.burr-brown.com
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ADS8401 Datasheet(HTML) 4 Page - Burr-Brown (TI)

 
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ADS8401
SLAS376B – DECEMBER 2002 – REVISED APRIL 2003
www.ti.com
4
SPECIFICATIONS (CONTINUED)
TA = –40°C to 85°C, +VA = +5 V, +VBD = 3 V or 5 V, Vref = 4.096 V, fSAMPLE = 1.25 MHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DynamicCharacteristics
Total harmonic distortion (THD) (see Note 1)
VIN = 4 Vpp at 100 kHz
–93
dB
Signal-to-noise ratio (SNR)
VIN = 4 Vpp at 100 kHz
86
dB
Signal-to-noise + distortion (SINAD)
VIN = 4 Vpp at 100 kHz
85
dB
Spurious free dynamic range (SFDR)
VIN = 4 Vpp at 100 kHz
93
dB
–3dB Small signal bandwidth
5
MHz
External Voltage Reference Input
Reference voltage at REFIN, Vref
2.5
4.096
4.2
V
Reference resistance (see Note 2)
500
k
Internal Reference Output
Internal reference start-up time
from 95% (+VA), with 1
µF storage
capacitor
120
ms
Vref range
IOUT = 0
4.065
4.096
4.13
V
Source Current
Static load
10
µA
Line Regulation
+VA = 4.75 ~ 5.25 V
0.6
mV
Drift
IOUT = 0
36
PPM/C
Digital Input/Output
Logic family
CMOS
VIH
IIH = 5 µA
+VBD–1
+VBD + 0.3
Li l
l
VIL
IIL = 5 µA
–0.3
0.8
V
Logic level
VOH
IOH = 2 TTL loads
+VBD – 0.6
+VBD
V
VOL
IOL = 2 TTL loads
0
0.4
Data format
Straight
Binary
Power Supply Requirements
Power supply
+VBD (see Notes 3 and 4)
2.95
3.3
5.25
V
Power su
ly
voltage
+VA (see Note 4)
4.75
5
5.25
V
+VA Supply current (see Note 5)
fs = 1.25 MHz
31
34
mA
Power dissipation (see Note 5)
fs = 1.25 MHz
155
mW
Temperature Range
Operatingfree-air
–40
85
°C
(1) Calculated on the first nine harmonics of the input frequency
(2) Can vary
±20%
(3) The difference between +VA and +VBD should not be less than 2.3 V, i.e., if +VA is 5.25 V, +VBD should be minimum of 2.95 V.
(4) +VBD
≥ +VA – 2.3 V
(5) This includes only VA+ current. +VBD current is typically 1 mA with 5 pF load capacitance on output pins.


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