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ADS8327 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. ADS8327
Description  LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
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Maker  BURR-BROWN [Burr-Brown (TI)]
Homepage  http://www.burr-brown.com
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ADS8327 Datasheet(HTML) 3 Page - Burr-Brown (TI)

 
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SPECIFICATIONS
ADS8327
ADS8328
SLAS415A – APRIL 2006 – REVISED MAY 2006
T
A = –40°C to 85°C, +VA = 2.7 V, +VBD = +VA × 1.5 to +1.65 V, Vref = 2.5 V, fSAMPLE = 500 kHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG INPUT
Full-scale input voltage (1)
+IN – (–IN) or (+INx – COM)
0
+Vref
V
+IN, +IN0, +IN1
AGND – 0.2
+VA + 0.2
Absolute input voltage
V
–IN or COM
AGND – 0.2
AGND + 0.2
Input capacitance
40
45
pF
No ongoing conversion,
Input leakage current
-1
1
nA
DC Input
At dc
108
Input channel isolation, ADS8328 only
dB
VI = ±1.25 Vpp at 50 kHz
101
SYSTEM PERFORMANCE
Resolution
16
Bits
No missing codes
16
Bits
ADS8327IB,
–2
±1.2
2
ADS8328IB
INL
Integral linearity
LSB(2)
ADS8327I, ADS8328I
–3
±2
3
ADS8327IB,
– 1
±0.6
1
Differential
ADS8328IB
DNL
LSB(2)
linearity
ADS8327I, ADS8328I
–1
±1
2
ADS8327IB,
– 0.5
±0.1
0.5
ADS8328IB
EO
Offset error(3)
mV
ADS8327I, ADS8328I
–0.8
±0.1
0.8
Offset error drift
0.2
PPM/°C
EG
Gain error
– 0.25
–0.07
0.25
%FSR
Gain error drift
0.3
PPM/°C
At dc
70
CMRR
Common mode rejection ratio
dB
VI = 0.4 Vpp at 1 MHz
50
Noise
33
µV RMS
PSRR
Power supply rejection ratio
At FFFFh output code(3)
78
dB
SAMPLING DYNAMICS
tCONV
Conversion time
18
CCLK
tSAMPLE1
Manual trigger
3
Acquisition time
CCLK
tSAMPLE2
Auto trigger
3
Throughput rate
500
kHz
Aperture delay
5
ns
Aperture jitter
10
ps
Step response
100
ns
Overvoltage recovery
100
ns
(1)
Ideal input span, does not include gain or offset error.
(2)
LSB means least significant bit
(3)
Measured relative to an ideal full-scale input [+IN – (–IN)] of 2.5 V when +VA = 2.7 V.
3
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