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AD8451 bảng dữ liệu(PDF) 9 Page - Analog Devices

tên linh kiện AD8451
Giải thích chi tiết về linh kiện  Low Cost, Precision Analog Front End and Controller for Battery Test/Formation Systems
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AD8451 bảng dữ liệu(HTML) 9 Page - Analog Devices

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AD8451
Data Sheet
Pin No.
Mnemonic
Input/Output1
Description
36, 61, 72
AVEE
N/A
Analog Negative Supply Pins. The default voltage is −15 V.
37
BVMEA
Output
Voltage Sense Difference Amplifier Output.
38, 57, 70
AVCC
N/A
Analog Positive Supply Pins. The default voltage is 15 V.
39
MODE
Input
TTL Compliant Logic Input Selects Charge or Discharge Mode. Low =
discharge, high = charge.
45
DGND
N/A
Digital Ground Pin.
47
DVCC
N/A
Digital Supply. The default voltage is 5 V.
49
VSET
Input
Target Voltage for the Voltage Sense Control Loop.
50
VSETBF
Output
Buffered Voltage VSET.
51
VVP0
Input
Noninverting Input of the Voltage Sense Integrator for Discharge Mode.
53
VVE0
Input
Inverting Input Voltage for the Voltage Sense Integrator for Discharge Mode.
54
VVE1
Input
Inverting Input of the Voltage Sense Integrator for Charge Mode.
56, 62
VINT
Output
Minimum Output of the Voltage Sense and Current Sense Integrator Amplifiers.
58
VCLN
Input
Low Clamp Voltage for VCTRL.
59
VCTRL
Output
Controller Output Voltage. Connect this pin to the input of the PWM controller
(for example, the COMP pin of the ADP1972).
60
VCLP
Input
High Clamp Voltage for VCTRL.
64
IVE1
Input
Inverting Input of the Current Sense Integrator for Charge Mode.
65
IVE0
Input
Inverting Input of the Current Sense Integrator for Discharge Mode.
67
ISET
Input
Target Voltage for the Current Sense Control Loop.
68
ISREFB
Output
Buffered Voltage ISREFL.
71
ISMEA
Output
Current Sense Instrumentation Amplifier Output.
74
ISREFH
Input
Reference Input for the Current Sense Amplifier. To level shift the current sense
instrumentation amplifier output by approximately 20 mV, connect this pin to
the VREF pin. Otherwise, connect this pin to the ISREFL pin.
76
ISREFL
Input
Reference Input for the Current Sense Amplifier. The default connection is to
ground.
77
ISREFLS
Input
Kelvin Sense Pin for the ISREFL Pin.
1
N/A means not applicable.
Rev. 0 | Page 8 of 32



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