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AMC7834 bảng dữ liệu(PDF) 8 Page - Texas Instruments

tên linh kiện AMC7834
Giải thích chi tiết về linh kiện  AMC7834 12-Bit Integrated Power-Amplifier Monitor and Control System with Temperature, Current and Voltage Supervision Capabilities
PDF  97 Pages
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nhà sản xuất  TI2 [Texas Instruments]
Trang chủ  https://www.ti.com
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AMC7834 bảng dữ liệu(HTML) 8 Page - Texas Instruments

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AMC7834
SLAS972B – NOVEMBER 2014 – REVISED MARCH 2016
www.ti.com
Product Folder Links: AMC7834
Submit Documentation Feedback
Copyright © 2014–2016, Texas Instruments Incorporated
(1)
The value of the DVDD pin must be equal to that of the AVDD pins.
(2)
The value of the AVSS pin is only equal to AGND when all bipolar DACs are set to operate in positive voltage ranges.
6.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
Supply voltage
AVDD
(1)
4.5
5
5.5
V
DVDD
(1)
4.5
5
5.5
IOVDD
1.7
3.3
3.6
AVCC
4.5
5
12.5
AVSS
(2)
–5.5
–5
0
PAVDD
4
5
20
Specified performance temperature
–40
25
105
°C
Operating temperature
–40
25
125
°C
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
(2)
TI strongly recommends to solder the device thermal pad to a board plane connected to the AVSS pin.
6.4 Thermal Information
THERMAL METRIC(1)(2)
RTQ (VQFN)
UNIT
56 PINS
RθJA
Junction-to-ambient thermal resistance
24.7
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
7.9
RθJB
Junction-to-board thermal resistance
2.7
ψJT
Junction-to-top characterization parameter
0.2
ψJB
Junction-to-board characterization parameter
2.7
RθJC(bot)
Junction-to-case (bottom) thermal resistance
0.3



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