MAX9634 Maxim, MAX9634 Datasheet - Page 3

• Manufacturer Part Number: MAX9634
• Description: The MAX9634 high-side current-sense amplifier offers precision accuracy specifications of VOS less than 250µV (max) and gain error less than 0
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: All devices are 100% production tested at T
Note 2: V
Note 3: V
Note 4: Gain error is calculated by applying two values of V
Note 5: The device is stable for any external capacitance value.
Note 6: V
(V
OUT High Voltage
Small-Signal Bandwidth
(Note 5)
Output Settling Time
RS+
RS+
30
25
20
15
10
5
0
= V
= V
-0.4 -0.3 -0.2 -0.1
INPUT OFFSET VOLTAGE HISTOGRAM
RS-
OUT
OS
OH
RS-
PARAMETER
Gain = 25, V
Gain = 50, V
Gain = 100, V
Gain = 200, V
= 3.6V, V
is extrapolated from measurements for the gain-error test.
is the voltage from V
= 3.6V, T
INPUT OFFSET VOLTAGE (mV)
= 0. I
CC
_______________________________________________________________________________________
SENSE
A
is the total current into RS+ plus RS- pins.
0
SENSE
SENSE
= +25°C, unless otherwise noted.)
SENSE
SENSE
0.1
= (V
0.2 0.3
is 20mV and 120mV.
is 10mV and 60mV.
RS+
is 5mV and 30mV.
is 2.5mV and 15mV.
RS-
- V
SYMBOL
to V
0.4
RS-
Precision Current-Sense Amplifier
V
BW
t
OH
S
OUT
) = 0V, T
with V
V
V
V
V
V
1% final value, V
OH
SENSE
SENSE
SENSE
SENSE
30
25
20
15
10
A
5
0
= -40°C to +85°C, unless otherwise noted. Typical values are at T
SENSE
A
-0.4 -0.3 -0.2 -0.1
= V
= +25°C. All temperature limits are guaranteed by design.
= 50mV, gain = 25
= 50mV, gain = 50
= 50mV, gain = 100
= 50mV, gain = 200
RS-
GAIN ERROR HISTOGRAM
= 3.6V/gain.
1µA, 4-Bump UCSP/SOT23,
- V
SENSE
OUT
GAIN ERROR (%)
CONDITIONS
SENSE
and calculating the error of the slope vs. the ideal:
(Note 6)
0
= 50mV
Typical Operating Characteristics
0.1
0.2 0.3
0.4
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-40
MIN
-15
vs. TEMPERATURE
SUPPLY CURRENT
TYP
125
100
0.1
60
30
15
TEMPERATURE (°C)
10
A
= +25°C.) (Note 1)
MAX
0.2
35
3.6V
1.8V
28V
60
UNITS
kHz
µs
V
85
3