MAX9937(2008) Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX9937
(Rev.:2008)
(Rev.:2008)
Maxim Integrated
MAX9937 Datasheet PDF : 11 Pages
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Automotive Current-Sense Amplifier
with Reverse-Battery Protection
Typical Operating Characteristics
(VCC = 5V, VBAT = VRSP = 12V, VSENSE = VRS+ - VRS- = 0, RRSP = RRSN = 500Ω, ROUT = 10kΩ, TA = +25°C, unless otherwise noted.
See the Typical Application Circuit.)
OFFSET VOLTAGE HISTOGRAM
35
30
25
20
15
10
5
0
25 100 175 250 325 400 475 550
OFFSET VOLTAGE (μV)
OFFSET VOLTAGE vs. TEMPERATURE
600
500
400
300
200
100
0
-40
0
40
80 120 160
TEMPERATURE (°C)
OFFSET VOLTAGE
vs. COMMON-MODE VOLTAGE
800
700
TA = +125°C
600
500
400
300
TA = +25°C
200
100
0
4
TA = -40°C
8 12 16 20 24 28
COMMON-MODE VOLTAGE (V)
OFFSET VOLTAGE
vs. POWER-SUPPLY VOLTAGE
0
-100
TA = -40°C
-200
-300
TA = +25°C
-400
-500
TA = +125°C
-600
-700
3.0
3.5
4.0
4.5
5.0
POWER-SUPPLY VOLTAGE (V)
AC COMMON-MODE REJECTION RATIO
CIN = 220nF
0
AC POWER-SUPPLY REJECTION RATIO
CIN = 220nF
0
-20
-40
CLOAD = 100pF
CLOAD = 10pF
-60
-80
-100
CLOAD = 1nF
-20
-40
CLOAD = 100pF
-60
CLOAD = 10pF
-80
-100
CLOAD = 1nF
-120
-120
1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
-140
1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
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