
2
ISO120/121
SPECIFICATIONS
ELECTRICAL
At T
A = +25°C: VS1 = VS2 = ±15V: and RL = 2k, unless otherwise noted.
*Specifications same as ISO120BG, ISO121BG.
NOTE: (1) Input voltage range =
±10V for V
S1, VS2 = ±4.5VDC to ±18VDC. (2) Ripple frequency is at carrier frequency. (3) Overload recovery is approximately three times
the settling time for other values of C
2. (4) The SG-grade is specified –55°C to +125°C; performance of the SG in the –25°C to +85°C temperature range is the same
as the BG-grade.
ISO120BG, ISO121BG
ISO120G, ISO120SG(4), ISO121G
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
ISOLATION
Voltage Rated Continuous ISO120: AC 60Hz
T
MIN to TMAX
1500
*
Vrms
DC
T
MIN to TMAX
2121
*
VDC
ISO121: AC 60Hz
T
MIN to TMAX
3500
*
Vrms
DC
T
MIN to TMAX
4950
*
VDC
100% Test (AC 60Hz): ISO120
1s; Partial Discharge
≤ 5pC
2500
*
Vrms
ISO121
1s; Partial Discharge
≤ 5pC
5600
*
Vrms
Isolation Mode Rejection ISO 120: AC 60Hz
1500Vrms
115
*
dB
DC
160
*
dB
ISO121: AC60Hz
3500Vrms
115
*
dB
DC
160
*
dB
Barrier Impedance
1014 || 2
*
|| pF
Leakage Current
V
ISO = 240Vrms, 60Hz
0.18
0.5
*
Arms
GAIN(4)
V
O = ±10V
Nominal Gain
C
1 = C2 = 1000pF
1
V/V
Gain Error
±0.04
±0.1
±0.05
±0.25
%FSR
Gain vs Temperature
±5
±20
±10
±40
ppm/
°C
Nonlinearity
±0.005
±0.01
±0.05
%FSR
Nominal Gain
C
1 = C2 = 0
1
V/V
Gain Error
±0.04
±0.25
±0.05
±0.25
%FSR
Gain vs Temperature
±40
ppm/
°C
Nonlinearity
±0.02
±0.1
±0.04
±0.1
%FSR
INPUT OFFSET VOLTAGE(4)
Initial Offset
C
1 = C2 = 1000pF
±5
±25
±10
±50
mV
vs Temperature
±100
±150
±400
V/°C
Initial Offset
C
1 = C2 = 0
±25
±100
±40
±100
mV
vs Temperature
±250
±500
V/°C
Initial Offset
vs Supply
±V
S1 or ±VS2 = ±4.5V to ±18V
±2
mV/V
Noise
44
V/√Hz
INPUT
Voltage Range(1)
±10
±15
*
V
Resistance
200
*
k
OUTPUT
Voltage Range
±10
±12.5
*
V
Current Drive
±5
±15
*
mA
Capacitive Load Drive
0.1
*
F
Ripple Voltage(2)
10
*
mVp-p
FREQUENCY RESPONSE
Small Signal Bandwith
C
1 = C2 = 0
60
*
kHz
C
1 = C2 = 1000pF
6
*
kHz
Slew Rate
2*
V/
s
Settling Time
V
O = ±10V
0.1%
C
2 = 100pF
50
*
s
0.01%
C
1 = C2 = 1000pF
350
*
s
Overload Recovery Time(3)
50% Output Overload,
150
*
s
C
1 = C2 = 0
POWER SUPPLIES
Rated Voltage
15
*
V
Voltage Range
±4.5
±18
*
V
Quiescent Current: V
S1
±4.0
±5.5
*
mA
V
S2
±5.0
±6.5
*
mA
TEMPERATURE RANGE
Specification: BG and G
–25
85
–25
85
°C
SG(4)
–25
85
–55
125
°C
Operating
–55
125
–55
125
°C
Storage
–65
150
–55
150
°C
θ
JA: ISO120
40
°C/W
ISO121
25
°C/W