MAX9922 Maxim, MAX9922 Datasheet - Page 4

• 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
Ultra-Precision, High-Side
Current-Sense Amplifiers
4
AC CHARACTERISTICS
-3dB Small-Signal Bandwidth
Slew Rate
OUT Settling Time to 1% of
Final Value
Input-Voltage Noise
Peak-to-Peak
Autozeroing Clock Frequency
Capacitive-Load Stability
POWER-SUPPLY CHARACTERISTICS
Supply Voltage Range
Power-Supply Rejection Ratio
Quiescent Supply Current
Shutdown Supply Current
Power-Down 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
I
RSB_SD
I
PSRR
DD_SD
RS+L
I
I
V
BW
I
RS-L
SR
RSB
f
DD
DD
C
,
GND
V
V
∆V
C
f
Pseudo-random
No sustained oscillations
Guaranteed by PSRR
2.85V ≤ V
(Note 2)
V
V
V
V
V
V
O
SENSE
SENSE
DD
DD
RSB
DD
LOAD
SHDN
SHDN
= 0.1Hz to 10Hz
= 0V, V
OUT
= 5.0V
= 3.0V
= V
= 12V
= 2V, C
= 7pF
= 0.3V
= 0.3V, V
= 10mV
= 5mV
REF
DD
REF
= 0V, V
≤ 5.5V, -40°C ≤ T
= V
P-P
LOAD
P-P
RSB
CONDITIONS
DD
RSB
/2 for bidirectional, V
= 100pF
= 28V
= V
DD
MAX9922
MAX9923T
MAX9923H
MAX9923F
MAX9922
MAX9923T
MAX9923H
MAX9923F
, T
RS+
A
A
= -40°C to +85°C, unless otherwise noted. Typical values
≤ +85°C
= V
RS-
= 28V
REF
= 0V for unidirectional, V
2.85
MIN
93
TYP
0.05
0.05
0.01
200
100
200
400
200
780
700
200
2.5
0.4
3.4
10
50
10
20
99
SENSE
MAX
1300
1500
5.50
300
0.1
1
1
= V
RS+
UNITS
µV
V/µs
kHz
kHz
dB
µA
µA
µA
µs
pF
- V
V
P-P
RS-