AMC1100_15 Datasheet, PDF (6/33 Pages) Texas Instruments – AMC1100 Fully-Differential Isolation Amplifier

AMC1100
SBAS562A – APRIL 2012 – REVISED DECEMBER 2014
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6.11 Electrical Characteristics
All minimum and maximum specifications are at T_A = –40°C to +105°C and are within the specified voltage range, unless
otherwise noted. Typical values are at T_A = +25°C, VDD1 = 5 V, and VDD2 = 3.3 V.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
INPUT
Maximum input voltage before
clipping
VINP – VINN
±320
mV
Differential input voltage
VINP – VINN
–250
250 mV
V_CM
V_OS
TCV_OS
CMRR
C_IN
C_IND
R_IN
Common-mode operating range
Input offset voltage
Input offset thermal drift
Common-mode rejection ratio
Input capacitance to GND1
Differential input capacitance
Differential input resistance
Small-signal bandwidth
V_IN from 0 V to 5 V at 0 Hz
V_IN from 0 V to 5 V at 50 kHz
VINP or VINN
–0.16
–1.5
±0.2
–10
±1.5
108
95
3
3.6
28
60
100
VDD1
1.5
10
V
mV
µV/K
dB
dB
pF
pF
kΩ
kHz
OUTPUT
Nominal gain
8
G_ERR
Gain error
Initial, at T_A = +25°C
–0.5% ±0.05%
–1% ±0.05%
0.5%
1%
TCG_ERR Gain error thermal drift
Nonlinearity
4.5 V ≤ VDD2 ≤ 5.5 V
2.7 V ≤ VDD2 ≤ 3.6 V
±56
–0.075% ±0.015%
–0.1% ±0.023%
0.075%
0.1%
ppm/K
Nonlinearity thermal drift
2.4
ppm/K
PSRR
Output noise
Power-supply rejection ratio
VINP = VINN = 0 V
vs VDD1, 10-kHz ripple
vs VDD2, 10-kHz ripple
3.1
mV_RMS
80
dB
61
dB
Rise-and-fall time
0.5-V step, 10% to 90%
3.66
6.6
µs
0.5-V step, 50% to 10%, unfiltered output
1.6
3.3
µs
V_IN to V_OUT signal delay
0.5-V step, 50% to 50%, unfiltered output
0.5-V step, 50% to 90%, unfiltered output
3.15
5.6
µs
5.26
9.9
µs
CMTI
Common-mode transient
immunity
V_CM = 1 kV
2.5
3.75
kV/µs
Output common-mode voltage
2.7 V ≤ VDD2 ≤ 3.6 V
4.5 V ≤ VDD2 ≤ 5.5 V
1.15
1.29
2.4
2.55
1.45
V
2.7
V
Short-circuit current
20
mA
R_OUT
Output resistance
POWER SUPPLY
2.5
Ω
VDD1 High-side supply voltage
4.5
5.0
5.5
V
VDD2 Low-side supply voltage
2.7
5.0
5.5
V
I_DD1
High-side supply current
I_DD2
Low-side supply current
2.7 V < VDD2 < 3.6 V
4.5 V < VDD2 < 5.5 V
5.4
8 mA
3.8
6 mA
4.4
7 mA
P_DD1
P_DD2
High-side power dissipation
Low-side power dissipation
2.7 V < VDD2 < 3.6 V
4.5 V < VDD2 < 5.5 V
27.0
44.0 mW
11.4
21.6 mW
22.0
38.5 mW
6
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