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ADS8411 Datasheet(PDF) 3 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
Part No. ADS8411
Description  16-BIT, 2 MSPS, UNIPOLAR INPUT, MICRO POWER 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
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ADS8411 Datasheet(HTML) 3 Page - Burr-Brown (TI)

 
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SPECIFICATIONS
ADS8411
SLAS369B – APRIL 2002 – REVISED DECEMBER 2004
T
A = –40°C to 85°C, +VA = 5 V, +VBD = 3 V or 5 V, Vref = 4.096 V, fSAMPLE = 2 MHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG INPUT
Full-scale input voltage (1)
+IN – (–IN)
0
Vref
V
+IN
–0.2
Vref + 0.2
Absolute input voltage
V
–IN
–0.2
0.2
Input capacitance
25
pF
Input leakage current
0.5
nA
SYSTEM PERFORMANCE
Resolution
16
Bits
ADS8411I
15
No missing codes
Bits
ADS8411IB
16
ADS8411I
–6
±4
6
INL
Integral linearity (2)(3)
LSB
ADS8411IB
–2.5
±1.5
2.5
ADS8411I
–2
±1
3
DNL
Differential linearity
LSB
ADS8411IB
–1
±0.8
2
ADS8411I
–1.5
±0.5
1.5
mV
EO
Offset error(4)
ADS8411IB
–0.75
±0.25
0.75
mV
ADS8411I
–0.15
0.15
EG
Gain error(4)(5)
%FS
ADS8411IB
–0.098
0.098
Noise
60
µV RMS
At FFFFh output code,
PSRR
DC Power supply rejection ratio
+VA = 4.75 V to 5.25 V,
2
LSB
Vref = 4.096 V (4)
SAMPLING DYNAMICS
Conversion time
340
400
ns
Acquisition time
100
ns
Throughput rate
2
MHz
Aperture delay
2
ns
Aperture jitter
25
ps
Step response
100
ns
Overvoltage recovery
100
ns
DYNAMIC CHARACTERISTICS
VIN = 4 Vpp at 100 kHz
–90
dB
THD
Total harmonic distortion (6)
VIN = 4 Vpp at 500 kHz
–88.5
dB
SNR
Signal-to-noise ratio
VIN = 4 Vpp at 100 kHz
86
dB
SINAD
Signal-to-noise + distortion
VIN = 4 Vpp at 100 kHz
85
dB
VIN = 4 Vpp at 100 kHz
90
dB
SFDR
Spurious free dynamic range
VIN = 4 Vpp at 500 kHz
88
dB
-3dB Small signal bandwidth
5
MHz
EXTERNAL VOLTAGE REFERENCE INPUT
Reference voltage at REFIN, Vref
3.9
4.096
4.2
V
Reference resistance (7)
500
k
(1)
Ideal input span, does not include gain or offset error.
(2)
LSB means least significant bit
(3)
This is endpoint INL, not best fit.
(4)
Measured relative to an ideal full-scale input [+IN – (–IN)] of 4.096 V
(5)
This specification does not include the internal reference voltage error and drift.
(6)
Calculated on the first nine harmonics of the input frequency
(7)
Can vary
±20%
3


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