
Data Sheet
AD5522
Rev. E | Page 9 of 64
Parameter
Min
Max
Unit
Test Conditions/Comments
GUARDx PIN
Output Voltage Span
22.5
V
Output Offset
10
+10
mV
Short-Circuit Current
15
+15
mA
Maximum Load Capacitan
ce2100
nF
Output Impedance
85
Ω
Tristate Leakage Curre
nt230
+30
nA
When guard amplifier is disabled
5
V/μs
CLOAD = 10 pF
200
μs
Alarm delayed to eliminate false alarms
Slew Rate
0.4
V/μs
CCOMPx = 100 pF, CFFx = 220 pF, CLOAD = 200 pF
Gain Bandwidth
1.3
MHz
CCOMPx = 100 pF, CFFx = 220 pF, CLOAD = 200 pF
Max Stable Load Capacitance
10,000
pF
CCOMPx = 100 pF, larger CLOAD requires larger CCOMP
capacitor
100
nF
CCOMPx = 1 nF, larger CLOAD requires larger CCOMP
capacitor
FV SETTLING TIME TO 0.05% OF
FS2Midscale to full-scale change; measured from
SYNC rising edge, clamps on
±80 mA Range
22
40
s
CCOMPx = 100 pF, CFFx = 220 pF, CLOAD = 200 pF
±2 mA Range
24
40
s
CCOMPx = 100 pF, CFFx = 220 pF, CLOAD = 200 pF
±200 A Range
40
80
s
CCOMPx = 100 pF, CFFx = 220 pF, CLOAD = 200 pF
±20 A Range
300
s
CCOMPx = 100 pF, CFFx = 220 pF, CLOAD = 200 pF
±5 A Range
1400
s
CCOMPx = 100 pF, CFFx = 220 pF, CLOAD = 200 pF
MI SETTLING TIME TO 0.05% OF
FS2Midscale to full-scale change; driven from force
amplifier in FV mode, so includes FV settling time;
measured from SYNC rising edge, clamps on
±80 mA Range
22
40
s
CCOMPx = 100 pF, CFFx = 220 pF, CLOAD = 200 pF
±2 mA Range
24
40
s
CCOMPx = 100 pF, CFFx = 220 pF, CLOAD = 200 pF
±200 A Range
60
100
s
CCOMPx = 100 pF, CFFx = 220 pF, CLOAD = 200 pF
±20 A Range
462
s
CCOMPx = 100 pF, CFFx = 220 pF, CLOAD = 200 pF
±5 A Range
1902
s
CCOMPx = 100 pF, CFFx = 220 pF, CLOAD = 200 pF
FI SETTLING TIME TO 0.05% OF
FS2Midscale to full-scale change; measured from
SYNC rising edge, clamps on
±80 mA Range
24
55
s
CCOMPx = 100 pF, CLOAD = 200 pF
±2 mA Range
24
60
s
CCOMPx = 100 pF, CLOAD = 200 pF
±200 A Range
50
120
s
CCOMPx = 100 pF, CLOAD = 200 pF
±20 A Range
450
s
CCOMPx = 100 pF, CLOAD = 200 pF
±5 A Range
2700
s
CCOMPx = 100 pF, CLOAD = 200 pF
MV SETTLING TIME TO 0.05% OF
FS2Midscale to full-scale change; driven from force
amplifier in FV mode, so includes FV settling time;
measured from SYNC rising edge, clamps on
±80 mA Range
24
55
s
CCOMPx = 100 pF, CLOAD = 200 pF
±2 mA Range
24
60
s
CCOMPx = 100 pF, CLOAD = 200 pF
±200 A Range
50
120
s
CCOMPx = 100 pF, CLOAD = 200 pF
±20 A Range
450
s
CCOMPx = 100 pF, CLOAD = 200 pF
±5 A Range
2700
s
CCOMPx = 100 pF, CLOAD = 200 pF
DAC SPECIFICATIONS
Resolution
16
Bits
22.5
V
VREF = 5 V, within a range of 16.25 V to +22.5 V
Differential Nonlineari
ty21
+1
LSB
Guaranteed monotonic by design over temperature
COMPARATOR DAC DYNAMIC
Output Voltage Settling Time
1
s
500 mV change to ± LSB
Slew Rate
5.5
V/s
Digital-to-Analog Glitch Energy
20
nV-sec
Glitch Impulse Peak Amplitude
10
mV
REFERENCE INPUT
VREF DC Input Impedance
1
100
MΩ
VREF Input Current
10
+0.03
+10
A
2
5
V