MAX9922 Maxim, MAX9922 Datasheet - Page 3

• Manufacturer Part Number: MAX9922
• Description: The MAX9922/MAX9923 ultra-precision, high-side current-sense amplifiers feature ultra-low offset voltage (VOS) of 25µV (max) and laser-trimmed gain accuracy better than 0
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
= 0V, MAX9922 is set for A
are at T
Gain Accuracy
(Note 5)
Gain Nonlinearity
Open-Loop Gain
Input Bias Current
FB Bias Current
FB Resistance
REF Input Range
REF Common-Mode Rejection
Ratio
REF Input Current
(Note 6)
OUT High Voltage
OUT Low Voltage (Note 7)
SHDN Logic-Low
SHDN Logic-High
SHDN Input Current
RSB
= V
A
= +25°C.) (Note 1)
RS+
PARAMETER
= V
RS-
= +12V, V
_______________________________________________________________________________________
V
=100V/V (R1 = 1kΩ, R2 = 99kΩ), SHDN = V
DD
= +3.3V, V
SYMBOL
I
RS+
I
A
~A
V
IH
∆A
R
V
V
I
V
VOL
FB
OH
OL
FB
, I
IL
IH
/I
V
V
IL
RS
-
GND
MAX9922
(A
MAX9923T
MAX9923H
MAX9923F
MAX9922 (A
MAX9923T
MAX9923H
MAX9923F
MAX9922
MAX9922
MAX9923T/MAX9923H/MAX9923F resistance
between FB and REF
Guaranteed by REF
CMRR test
0 ≤ REF ≤ V
MAX9922 (bidirectional)
MAX9923T (bidirectional)
MAX9923H (bidirectional)
MAX9923F (bidirectional)
V
(Note 7)
R
R
V
V
OH
DD
DD
L
L
V
= 0V, V
= 10kΩ to GND and REF = GND
= 10kΩ to V
= 100)
= 5.5V
= 5.5V
= V
DD
REF
DD
– V
V
= V
= 100)
OUT
- 1.4V (Note 2)
DD
Ultra-Precision, High-Side
CONDITIONS
DD
Current-Sense Amplifiers
and REF = V
/2 for bidirectional, V
DD
T
-40°C ≤ T
T
-40°C ≤ T
T
-40°C ≤ T
T
-40°C ≤ T
A
A
A
A
T
-40°C ≤ T
R
and REF = GND
R
and REF = V
, T
A
L
L
= +25°C
= +25°C
= +25°C
= +25°C
= 10kΩ to GND
= 10kΩ to V
= +25°C
A
DD
= -40°C to +85°C, unless otherwise noted. Typical values
- 1.4
A
A
A
A
A
≤ +85°C
≤ +85°C
≤ +85°C
≤ +85°C
≤ +85°C
DD
REF
DD
- 1.4
= 0V for unidirectional, V
0.6 x
MIN
V
94
0
0
DD
±0.17
±0.12
±0.24
±0.21
±0.06
±0.04
±0.06
±0.12
0.001
TYP
160
100
±60
±16
±6
1
1
1
7
1
1
6
SENSE
±0.40
±0.60
±0.30
±0.60
±0.40
±0.75
±0.50
±0.80
V
V
MAX
±20
±70
±20
1.4
1.6
0.3
DD
DD
±1
±7
30
10
30
6
= V
-
-
RS+
UNITS
mV
mV
dB
pA
pA
kΩ
dB
µA
µA
- V
%
%
V
V
V
RS-
3