
AD598–SPECIFICATIONS
(typical @ +25 C and
15 V dc, C1 = 0.015
F, R2 = 80 k , RL = 2 k ,
unless otherwise noted. See Figure 7.)
REV. A
–2–
AD598J
AD598A
Parameter
Min
Typ
Max
Min
Typ
Max
Unit
TRANSFER FUNCTION
1
V
OUT =
VA –VB
VA +VB
× 500 A × R2
V
OVERALL ERROR
2
TMIN to TMAX
0.6
2.35
0.6
1.65
% of FS
SIGNAL OUTPUT CHARACTERISTICS
Output Voltage Range (TMIN to TMAX)
11
V
Output Current (TMIN to TMAX)8
6
mA
Short Circuit Current
20
mA
Nonlinearity
3 (T
MIN to TMAX)75
500
75
500
ppm of FS
Gain Error
4
0.4
1
0.4
1
% of FS
Gain Drift
20
100
20
50
ppm/
°C of FS
Offset
5
0.3
1
0.3
1
% of FS
Offset Drift
7
200
7
50
ppm/
°C of FS
Excitation Voltage Rejection
6
100
ppm/dB
Power Supply Rejection (
±12 V to ±18 V)
PSRR Gain (TMIN to TMAX)
300
100
400
100
ppm/V
PSRR Offset (TMIN to TMAX)
100
15
200
15
ppm/V
Common-Mode Rejection (
±3 V)
CMRR Gain (TMIN to TMAX)
100
25
200
25
ppm/V
CMRR Offset (TMIN to TMAX)
100
6
200
6
ppm/V
Output Ripple
7
4
mV rms
EXCITATION OUTPUT CHARACTERISTICS (@ 2.5 kHz)
Excitation Voltage Range
2.1
24
2.1
24
V rms
Excitation Voltage
(R1 = Open)8
1.2
2.1
1.2
2.1
V rms
(R1 = 12.7 k
)8
2.6
4.1
2.6
4.1
V rms
(R1 = 487
)8
14
20
14
20
V rms
Excitation Voltage TC9
600
ppm/
°C
Output Current
30
mA rms
TMIN to TMAX
12
mA rms
Short Circuit Current
60
mA
DC Offset Voltage (Differential, R1 = 12.7 k
)
TMIN to TMAX
30
100
30
100
mV
Frequency
20
20k
20
20k
Hz
Frequency TC, (R1 = 12.7 k
)
200
ppm/
°C
Total Harmonic Distortion
–50
dB
SIGNAL INPUT CHARACTERISTICS
Signal Voltage
0.1
3.5
0.1
3.5
V rms
Input Impedance
200
k
Input Bias Current (AIN and BIN)
1
5
1
5
A
Signal Reference Bias Current
2
10
2
10
A
Excitation Frequency
0
20
0
20
kHz
POWER SUPPLY REQUIREMENTS
Operating Range
13
36
13
36
V
Dual Supply Operation (
±10 V Output)
±13
V
Single Supply Operation
0 to +10 V Output
17.5
V
0 to –10 V Output
17.5
V
Current (No Load at Signal and Excitation Outputs)
12
15
12
15
mA
TMIN to TMAX
16
18
mA
TEMPERATURE RANGE
JR (SOIC)
0
+70
°C
AD (DIP)
–40
+85
°C
PACKAGE OPTION
SOIC (R-20)
AD598JR
Side Brazed DIP (D-20)
AD598AD