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SBAS344C–AUGUST 2005–REVISED OCTOBER 2006
ELECTRICAL CHARACTERISTICS (Continued)
All specifications at –40°C to 85°C, AVDD = 5V, DVDD = 3V, fCLK = 60MHz, VREF = 3V, MODE = 00, VCM = 2.5V, and RBIAS
= 19kΩ (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DIGITAL FILTER CHARACTERISTICS
f
CLK
4.4ǒ Ǔ
Passband
0
MHz
dB
60 MHz
Passband ripple
±0.0002
f
CLK
4.6ǒ Ǔ
–0.1dB attenuation
60 MHz
Passband transition
MHz
f
CLK
4.9ǒ Ǔ
60 MHz
–3.0dB attenuation
Stop band
5.6
80
54.4
MHz
dB
Stop band attentuation
See Figure 34
60 MHz
3.0ǒ Ǔ
td(grp)
Group delay
Settling time
µs
µs
f
CLK
60 MHz
5.5ǒ Ǔ
ts
To ±0.001%
f
CLK
STATIC SPECIFICATIONS
Resolution
No missing codes
Shorted input
1V input
16
Bits
LSB (rms)
LSB
Input rms noise
1.0
±0.4
±1.5
±0.5
0.05
5
1.4
Integral nonlinearity
2.5V input
LSB
Differential nonlinearity
LSB
VIO
Offset error
T = 25°C
%FS
Offset drift
ppm/°C
%FS
G(ERR)
G
Gain error
T = 25°C
±0.3(1)
10
Gain drift
Excluding reference drift
ppm/°C
dB
CMRR
PSRR
Common-mode rejection ratio
Supply-voltage rejection ratiio
At DC
At DC
60
80
dB
VOLTAGE REFERENCE
Vref
Reference voltage, (VREFP - VREFN)
2.9
3.6
0.9
2.2
3.0
4.0
1.0
2.5
3.1
4.4
1.1
3.8
V
V
V
V
VREFP
VREFN
VMID
DIGITAL INPUT/OUTPUT
VIH
VIL
High-level input voltage
0.7DVDD
DGND
DVDD
V
V
Low-level input voltage
High-level output voltage
Low-level output voltage
Input leakage current
0.3DVDD
VOH
VOL
Ilkg
IOH = –50µA
0.8DVDD
V
IOL = 50µA
0.2DVDD
V
DGND < VDIGITAL INPUT < DVDD
±10
µA
POWER-SUPPLY REQUIREMENTS
VAVDD
VDVDD
IAVDD
IDVDD
AVDD voltage
DVDD voltage
AVDD current
DVDD current
4.9
2.7
5.0
3.0
150
70
5.1
3.6
V
V
170
80
mA
mA
960
4
1100
PD
Power dissipation
mW
PD = low
(1) There is a constant gain error of 3.8% in addition to the variable gain eror of ±0.3%. Therefore, the gain error is 3.8 ±0.3%.
4
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