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SLAS386A – JULY 2005 – REVISED JUNE 2006
SPECIFICATIONS
T
A
= –40°C to 85°C, +VA = 5 V, +VBD = 3 V or 5 V, V
ref
= 4.096 V, f
SAMPLE
= 1 MSPS (unless otherwise noted)
PARAMETER
ANALOG INPUT
Full-scale input voltage
(1)
Absolute input voltage
Common-mode input range
Input capacitance
Input leakage current
SYSTEM PERFORMANCE
Resolution
No missing codes
(2)
TEST CONDITIONS
MIN
TYP
MAX
UNIT
+IN – (–IN)
+IN
–IN
–V
ref
–0.2
–0.2
(V
ref
)/2 – 0.2
(V
ref
)/2
65
1
V
ref
V
ref
+ 0.2
V
ref
+ 0.2
(V
ref
)/2 + 0.2
V
V
V
pF
nA
18
ADS8482I
ADS8482IB
ADS8482I
ADS8482IB
ADS8482I
ADS8482IB
ADS8482I
ADS8482IB
ADS8482I
ADS8482IB
ADS8482I
ADS8482IB
ADS8482I
ADS8482IB
At dc (±0.2 V around V
ref
/2)
+IN – (–IN) = 1 Vpp at 1 MHz
V
ref
= 4.096 V
V
ref
= 4.096 V
–0.1
–0.1
18
18
–4
–2.5
–1
–1
–0.5
–0.5
±1.2
±1.2
–0.6/0.75
–0.6/0.75
±0.05
±0.05
±0.05
±0.05
±0.035
±0.035
±0.5
±0.5
60
55
25
At 1FFFFh output code
60
0.1
0.1
4
2.5
1.5
1.5
0.5
0.5
Bits
Bits
LSB
(18 bit)
(3)
LSB
(18 bit)
mV
Integral linearity
Differential linearity
Offset error
(4)
Offset error temperature drift
Gain error
(4) (5)
ppm/°C
%FS
%FS
ppm/°C
Gain error temperature drift
Common-mode rejection ratio
Noise
Power supply rejection ratio
SAMPLING DYNAMICS
Conversion time
Acquisition time
Throughput rate
Aperture delay
Aperture jitter
Step response
Over voltage recovery
dB
µV
RMS
dB
625
320
350
650
ns
ns
1
4
5
150
150
MHz
ns
ps
ns
ns
(1)
(2)
(3)
(4)
(5)
Ideal input span, does not include gain or offset error.
This is endpoint INL, not best fit.
LSB means least significant bit
Measured relative to an ideal full-scale input [+IN – (–IN)] of 8.192 V
This specification does not include the internal reference voltage error and drift.
3
BURR-BROWN [ BURR-BROWN CORPORATION ]
