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SBAS341B − DECEMBER 2004 − REVISED APRIL 2005
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T = −40°C to +85°C, AVDD = 5V, DVDD = IOVDD = 3V, f
= 40MHz, External V
REF
= +3V, V = +1.45V,
CM
A
CLK
and R
= 37kΩ, unless otherwise noted.
BIAS
ADS1602
TYP
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
Digital Filter Characteristics
f
CLK
Passband
0
MHz
dB
1.1ǒ Ǔ
40MHz
Passband ripple
0.001
f
CLK
−0.1dB attenuation
−3.0dB attentuation
MHz
1.15ǒ Ǔ
40MHz
Passband transition
f
CLK
MHz
1.23ǒ Ǔ
40MHz
f
f
CLK
CLK
Stop band
MHz
dB
1.4ǒ Ǔ
38.6ǒ Ǔ
40MHz
40MHz
Stop band attenuation
Group delay
75
40MHZ
µs
10.4ǒ Ǔ
f
CLK
40MHZ
Settling time
Complete settling
µs
20.4ǒ Ǔ
f
CLK
Static Specifications
Resolution
16
Bits
Bits
No missing codes
Input-referred noise
Integral nonlinearity
Differential nonlinearity
Offset error
16
0.5
0.85
LSB, rms
LSB
−1dBFS signal
0.75
0.25
−0.1
−0.1
0.25
10
LSB
%FSR
ppmFSR/°C
%
Offset error drift
Gain error
Gain error drift
Excluding reference drift
At DC
ppm/°C
dB
Common-mode rejection
Power-supply rejection
Internal Voltage Reference
75
At DC
65
dB
REFEN = low
V
= (VREFP − VREFN)
2.75
3.5
0.5
2.3
3
3.25
4.3
1.3
2.7
V
REF
VREFP
VREFN
VMID
4.0
1.0
2.5
50
V
V
V
V
REF
drift
ppm/°C
ms
Startup time
15
External Voltage Reference
REFEN = high
V
= (VREFP − VREFN)
2.0
3.5
0.5
2.3
3
4
3.25
4.25
1.5
V
V
V
V
REF
VREFP
VREFN
VMID
1
2.5
2.6
4
BB [ BURR-BROWN CORPORATION ]
