ADM4073
Rev. A | Page 3 of 12
SPECIFICATIONS
V
RS+
= 2 V to 28 V, V
SENSE
= (V
RS+
− V
RS−
) = 0 V, V
CC
= 3 V to 28 V, T
A
= −40°C to +125°C, unless otherwise noted. Typical values are at T
A
= 25°C.
1
Table 1.
Parameter Min Typ Max Unit Conditions
POWER SUPPLY
Operating Voltage Range, V
CC
3 28 V Inferred from PSRR test
Common-Mode Input Range, V
CMR
2 28 V Inferred OUT voltage error test
Common-Mode Input Rejection, CMR 90 dB V
SENSE
= 100 mV, V
CC
= 12 V
Supply Current, I
CC
0.5 1.2 mA V
CC
= 28 V
Leakage Current, I
RS+
/I
RS−
0.05 2 μA V
CC
= 0 V, V
RS+
= 28 V, T
A
= 85°C
Input Bias Current, I
RS+
20 60 μA
Input Bias Current, I
RS−
40 120 μA
Full-Scale Sense Voltage, V
SENSE
150 mV V
SENSE
= (V
RS+
− V
RS−
)
Total Output Voltage Error
2
±1 % V
SENSE
= 100 mV, V
CC
= 12 V, V
RS+
= 2 V
±1.0 ±5.0 % V
SENSE
= 100 mV, V
CC
= 12 V, V
RS+
= 12 V, T
A
= +25°C
±5.0 % V
SENSE
= 100 mV, V
CC
= 12 V, V
RS
= 12V, T
A
= −40°C to +125°C
±1.0 ±5.0 % V
SENSE
= 100 mV, V
CC
= 28 V, V
RS
= 28 V, T
A
= +25°C
±5.0 % V
SENSE
= 100 mV, V
CC
= 28 V, V
RS
= 28 V, T
A
= −40°C to +125°C
±7.5 % V
SENSE
= 6.25 mV,
3
V
CC
= 12 V, V
RS
= 12 V
Extrapolated Input Offset Voltage, V
OS
1.0 mV V
CC
= V
RS+
= 12 V, V
SENSE
> 10 mV
Output High Voltage (V
CC
− V
OH
) 0.8 1.2 V V
CC
= 3 V, V
SENSE
= 150 mV (ADM4073T)
0.8 1.2 V V
CC
= 7.5 V, V
SENSE
= 150 mV (ADM4073F)
0.8 1.2 V V
CC
= 15 V, V
SENSE
= 150 mV (ADM4073H), T
A
= 25°C
DYNAMIC CHARACTERISTICS
Bandwidth, BW 1.8 MHz V
SENSE
= 100 mV, V
CC
= 12 V, V
RS+
= 12 V, C
LOAD
= 5 pF (ADM4073T)
1.7 MHz V
SENSE
= 100 mV, V
CC
= 12 V, V
RS+
= 12 V, C
LOAD
= 5 pF (ADM4073F)
1.6 MHz V
SENSE
= 100 mV, V
CC
= 12 V, V
RS+
= 12 V, C
LOAD
= 5 pF (ADM4073H)
600 kHz V
SENSE
= 6.25 mV,
3
V
CC
= 12 V, V
RS+
= 12 V, C
LOA D
= 5 pF (ADM4073T/F/H)
Gain, A
V
20 V/V ADM4073T
50 V/V ADM4073F
100 V/V ADM4073H
Gain Accuracy ±1.0 ±2.0 %
V
SENSE
= 10 mV to 150 mV, V
CC
= 12 V, V
RS+
= 12 V,
T
A
= +25°C (ADM4073T/F)
±2.0 %
V
SENSE
= 10 mV to 150 mV, V
CC
= 12 V, V
RS+
= 12 V,
T
A
= −40°C to +125°C (ADM4073T/F)
±1.0 ±1.5 %
V
SENSE
= 10 mV to 100 mV, V
CC
= 12 V, V
RS+
= 12 V,
T
A
= +25°C (ADM4073H)
±3.0 %
V
SENSE
= 10 mV to 100 mV, V
CC
= 12 V, V
RS+
= 12 V,
T
A
= −40°C to +125°C (ADM4073H)
OUT Settling Time to 1% of Final Value 400 ns V
SENSE
= 6.25 mV to 100 mV, V
CC
= 12 V, V
RS+
= 12 V, C
LOAD
= 5 pF
800 ns V
SENSE
= 100 mV to 6.25 mV, V
CC
= 12 V, V
RS+
= 12 V, C
LOAD
= 5 pF
Output Resistance, R
OUT
12 kΩ
Power Supply Rejection Ratio, PSRR 78 dB V
SENSE
= 60 mV, V
CC
= 3 V to 28 V (ADM4073T)
85 dB V
SENSE
= 24 mV, V
CC
= 3 V to 28 V (ADM4073F)
90 dB V
SENSE
= 12 mV, V
CC
= 3 V to 28 V (ADM4073H)
Power-Up Time
4
5 μs C
LOAD
= 5 pF, V
SENSE
= 100 mV
Saturation Recovery Time
5
5 μs C
LOAD
= 5 pF, V
CC
= 12 V, V
RS+
= 12 V
1
100% production tested at T
A
= 25°C. Specifications over temperature limit are guaranteed by design.
2
The sum of the gain and offset errors is the total OUT voltage error.
3
6.25 mV = 1/16
th
of 100 mV full-scale sense voltage.
4
Output settles to within 1% of final value.
5
When overdriven, this device does not experience phase reversal.
