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PDF AD8410 Data sheet ( Hoja de datos )
| Número de pieza | AD8410 | |
| Descripción | Current Sense Amplifier | |
| Fabricantes | Analog Devices | |
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r.ANALOG
WDEVICES
Preliminary Technical Data
FEATURES
High common-mode input voltage range
-2V to +70 V continuous
-20V to +75 V survival
Typical 1.0 IJV/0 ( offset drift
2.0 MHz Bandwidth
Maximum ±400 IJV voltage offset over full temperature range
Initial gain= 20VN
Wide operating temperature range
AD841 OWB: -40°( to + 125°(
AD841 OWH: -40°( to + 150°(
Bidirectional operation
3.0 V to 5.5 V power supply operating range
Available in 8-lead MSOP and 8-lead SOIC
Common-mode rejection ratio (CMRR): 86 dB, de to 10kHz
Qualified for automotive applications
APPLICATIONS
High-side current sensing in
48V/12V DC to DC Converters
Motor controls
Solenoid controls
Power management
Low-side current sensing
Diagnostic protection
High Voltage, High Bandwidth,
Current Sense Amplifier
AD8410 I
GENERAL DESCRIPTION
The AD8410 is a high voltage, high resolution, and high
bandwidth current shunt amplifier. It features an initial gain of
20 V/V, with a 2.0 MHz bandwidth with a maximum ±0.3%
gain error over the entire temperature range. The buffered
output voltage directly interfaces with any typical converter.
The AD8410 offers excellent input common-mode rejection
from -2 V to +70 V. The AD841 0 performs bidirectional current
measurements across a shunt resistor in a variety of automotive
and industrial applications, including motor control, power
management, and solenoid control.
The AD8410 offers breakthrough performance throughout the
-40°C to +150°C temperature range. It features a in package
trim core, which leads to a typical offset drift of 1.0 f!VfOC
throughout the operating temperature range and the common-
mode voltage range. The AD8410 is qualified for automotive
applications. The device includes patented circuitry to enable
output accuracy with pulse-width modulation (PWM) type
input common-mode voltages. The typical input offset voltage
is ±200 f!V. The AD8410 is offered in 8-lead MSOP or SOIC
packages.
Table 1. Related Devices
Part No. Description
AD8205 Current sense amplifier, gain =50
AD8206 Current sense amplifier, gain = 20
AD8207 High accuracy current sense amplifier, gain= 20
AD821 0 High speed current sense amplifier, gain= 20
AD8418A High accuracy current sense amplifier, gain= 20
FUNCTIONAL BLOCK DIAGRAM
VCM = 70V
VS = 3.0 V to 5.5V
VS
70V
+IN
AD8410
Gain=20
--------------------,
VOUT
0V
I50 A
1 \ t \ISHUNT
LOAD
RSHUNT
ISHUNT
–IN
+IN
–
+
Vs
OUT
Vs/2
VREF1
..
:.
/
!:
\·.·.
-50 A
0V
GND
VREF2
Figure 1.
Rev. PrE
Document Feedback
Information fumished by Analog DeviO!S is believed to be accurate and reliable. However, no
responsibilityisassurnedbyAnalogDeviO!Sforitsuse,norforanyinfringementsofpatentsorother
rights ofthird parties that may result from its use. Specifications subject to <hange without notice.
No license is granted by implication or otherwise under any patent or patent rights of Analog
Devices.Trademarksand registeredtrademari<sarethe propertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
1 page  
IAD8410
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Preliminary Technical Data I
I
• I .a I +IN
I
I 7 I VREF 11
lvs.TOP VIEW
(N ot to Scale)
l our
NC =NO CONNECT
Figure2. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
1 -IN
2 GND
3 VREF2
4 NC
5 OUT
6 Vs
7 VREF l
8 +IN
Description
Negative Input
Ground
Reference Input
No Connect
Output
Supply
Reference Input
Positive Input
©2016 Analog Devices, Inc. All rights reserved. Trademarks and
r . A N A L O G Iregistered trademarks are the property of their respective owners.
~DEVICES ~----w_w__w_._a_n_a_lo_u_._c_o_m____~PR15058-0-9/16(PrE)
Rev. PrE IPage 4 of 4
5 Page | ||
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| PDF Descargar | [ Datasheet AD8410.PDF ] | |
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