MAX9919 Maxim, MAX9919 Datasheet - Page 2

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MAX9919

Manufacturer Part Number
MAX9919
Description
The MAX9918/MAX9919/MAX9920 are single-supply, high-accuracy current-sense amplifiers with a high input common-mode range that extends from -20V to +75V
Manufacturer
Maxim
Datasheet

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-20V to +75V Input Range, Precision
Uni-/Bidirectional, Current-Sense Amplifiers
ABSOLUTE MAXIMUM RATINGS
V
RS+, RS- to GND (V
RS+, RS- to GND (V
Differential Input Voltage (V
Differential Input Voltage
REFIN, FB, OUT to GND.............................-0.3V to (V
SHDN to GND.........................................................-0.3V to +20V
PACKAGE THERMAL CHARACTERISTICS (Note 1)
SOIC-EP
ELECTRICAL CHARACTERISTICS
(V
90V/V, R2/R1 = 89kΩ/1kΩ; for MAX9920, A
ues are at T
** As per JEDEC51 Standard (multilayer board).
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
2
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-
Input Offset Voltage (Note 2)
CC
CC
(MAX9918/MAX9919).................................±15V (Continuous)
(V
Junction-to-Ambient Thermal Resistance (θ
_______________________________________________________________________________________
RS+
to GND ..............................................................-0.3V to +6V
= 5V, V
- V
layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.
PARAMETER
RS-
A
RS+
= +25°C.) (Note 1)
) (MAX9920) .............................±5V (Continuous)
= V
CC
CC
RS-
= 5V) ..................................-30V to +80V
= 0V) .............-15V to +80V (15 minutes)
= +14V, V
RS+
- V
RS-
SENSE
)
SYMBOL
V
= (V
OS
V
= 20V/V, R2/R1 = 79kΩ/1kΩ; T
RS+
JA
) ...........41°C/W
- V
MAX9918
MAX9919_
MAX9920
RS-
CC
) = 0V, V
+ 0.3V)
V
+14V, V
= 0V
V
-2V, V
0V
V
+14V, V
= 0V
V
-2V, V
0V
V
+14V, V
= 0V
V
-2V, V
0V
SHDN
CONDITIONS
RS+
RS+
RS+
RS+
RS+
RS+
= V
= V
= V
= V
= V
= V
REFIN
REFIN
REFIN
Output Short Circuit to V
Continuous Current into Any Pin
Continuous Power Dissipation (T
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
= V
REFIN
REFIN
REFIN
(Not to exceed package power dissipation) ................±20mA
8-Pin SOIC-EP (derate 24.4mW/°C above +70°C) .1951.2mW**
RS-
RS-
RS-
RS-
RS-
RS-
GND
A
=
=
=
=
=
=
=
=
=
= -40°C to +125°C, unless otherwise noted. Typical val-
= 0V, V
T
T
to +125°C
T
T
to +125°C
T
T
to +125°C
T
T
to +125°C
T
T
to +125°C
T
T
to +125°C
A
A
A
A
A
A
A
A
A
A
A
A
= +25°C
= -40°C
= +25°C
= -40°C
= +25°C
= -40°C
= +25°C
= -40°C
= +25°C
= -40°C
= +25°C
= -40°C
REFIN
= V
CC
CC
or GND...........................Continuous
MIN
/2, R
A
L
= +70°C)
= 100kΩ; for MAX9918, A
±0.14
±0.08
±0.18
±0.11
±0.48
±0.10
TYP
MAX
±0.4
±0.7
±0.4
±1.3
±0.4
±0.9
±0.4
±1.0
±1.2
±3.0
±0.9
±3.5
UNITS
mV
V
=

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