AD1556 Analog Devices, AD1556 Datasheet - Page 2

• Manufacturer Part Number: AD1556
• Description: Digital Filter/Decimator for 24-Bit Sigma-Delta A/D Converter
• Manufacturer: Analog Devices

Specifications of AD1556

• Resolution (bits): 24bit
• # Chan: 2
• Sample Rate: 256kSPS
• Interface: Byte,Ser
• Analog Input Type: Diff-Bip,SE-Bip
• Ain Range: Bip 2.25V/(PGA Gain)
• Adc Architecture: Sigma-Delta,Sigma-Delta Modulator
• Pkg Type: LCC

AD1555–SPECIFICATIONS
AD1555/AD1556
Parameter
PGA Gain Settings
AC ACCURACY
DC ACCURACY
ANALOG INPUT
TEMPERATURE RANGE
REFERENCE INPUT
DIGITAL INPUTS OUTPUTS
Dynamic Range
Total Harmonic Distortion
Jitter Tolerance
Intermodulation Distortion
Absolute Gain Error
Gain Stability Over Temperature
Offset
Offset Drift
Full-Scale Nondifferential Input
Input Impedance
Full-Scale Differential Input
Differential Input Impedance
Common-Mode Range
Common-Mode Rejection Ratio
Power Supply Rejection Ratio
AIN to TIN Crosstalk Isolation
Differential Input Current
Specified Performance
Input Voltage Range
Input Current
V
V
I
I
V
V
IL
IH
IL
IH
OL
OH
5, 6
5, 6
3
1
5
9
8
2
4
7
5
Notes
1, 2.5, 8.5, 34, 128
PGA Gain of 1
PGA Gain of 2.5
PGA Gain of 8.5
PGA Gain of 34
PGA Gain of 128
PGA Gain of 1
PGA Gain of 2.5
PGA Gain of 8.5
PGA Gain of 34
PGA Gain of 128
PGA Gain of 1
PGA Gain of 1, 2.5
PGA Gain of 8.5
PGA Gain of 34
All PGA Gain
MODIN
MODIN
PGA Gain of 1
Other PGA Gain Settings
AIN, TIN Inputs
V
PGA Gain of 1
PGA Gain of 2.5
PGA Gain of 8.5, 34
PGA Gain of 128
f
T
I
I
IN
SINK
SOURCE
CM
MIN
= 200 Hz
= ±2.25 V, f
= +2 mA
to T
= –2 mA
MAX
(+V
T
MAX
IN
A
, unless otherwise noted.)
= 200 Hz
= +5 V; –V
–2–
A
= –5 V; V
Min
116.5
116
114
104.5
–3.5
–4.5
–10
93
95
95.5
–55
2.990
–0.3
2.0
–10
–10
2.4
AD1555BP
See Table I
L
Typ
120
119.5
117.5
109.5
98
–120
–116
–116
–115
–108
122
± 15
–60
6
20
140
101
102
108
108
50
130
130
3.0
130
= 5 V; AGND = DGND = 0 V; MCLK = 256 kHz; T
Max
–111
–108
–106
–101
+3.5
+4.5
+10
± 2.25
± 2.25
± 2.25
+85
3.010
+0.8
V
+10
+10
0.4
300
L
+ 0.3 2.0
Min
116
115.5
114
104.5
–3.5
–4.5
–10
91
91.5
94.5
0
2.990
–0.3
–10
–10
2.4
AD1555AP
See Table I
Typ
120
119.5
117.5
109.5
98
–120
–116
–116
–115
–108
122
± 15
–60
6
20
140
101
102
108
108
50
130
130
3.0
130
Max
–107
–107
–105
–101
300
+3.5
+4.5
+10
± 2.25
± 2.25
± 2.25
85
3.010
+0.8
V
+10
+10
0.4
L
+ 0.3
A
= T
%
%
%
ppm/°C
µV/°C
V
k
V
MΩ
V
°C
µA
V
V
µA
µA
V
V
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ps
dB
mV
dB
dB
dB
dB
dB
dB
nA
V
REV. B
MIN
to