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ADS8481 Datasheet(PDF) 4 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) 4 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
DYNAMIC CHARACTERISTICS
ADS8481I
–110
VIN = 4 Vpp at 1 kHz
ADS8481IB
–112
ADS8481I
–106
Total harmonic distortion (THD)(1)
VIN = 4 Vpp at 10 kHz
dB
ADS8481IB
–108
ADS8481I
–98
VIN = 4 Vpp at 100 kHz
ADS8481IB
–99
ADS8481I
92
VIN = 4 Vpp at 1 kHz
ADS8481IB
94
ADS8481I
91
Signal to noise ratio (SNR)(1)
VIN = 4 Vpp at 10 kHz
dB
ADS8481IB
93
ADS8481I
90
VIN = 4 Vpp at 100 kHz
ADS8481IB
92
ADS8481I
91
VIN = 4 Vpp at 1 kHz
ADS8481IB
93
ADS8481I
90
Signal to noise + distortion (SINAD)(1)
VIN = 4 Vpp at 10 kHz
dB
ADS8481IB
92
ADS8481I
89
VIN = 4 Vpp at 100 kHz
ADS8481IB
91
ADS8481I
110
VIN = 4 Vpp at 1 kHz
ADS8481IB
112
ADS8481I
108
Spurious free dynamic range (SFDR)(1)
VIN = 4 Vpp at 10 kHz
dB
ADS8481IB
107
ADS8481I
98
VIN = 4 Vpp at 100 kHz
ADS8481IB
98
–3dB Small signal bandwidth
15
MHz
VOLTAGE REFERENCE INPUT
Reference voltage at REFIN, Vref
3.0
4.096
4.2
V
Reference resistance(2)
500
k
Reference current drain
fs = 1 MHz
1
mA
(1)
Calculated on the first nine harmonics of the input frequency.
(2)
Can vary ±20%
4
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