AMC7834 Datasheet, PDF (8/93 Pages) Texas Instruments – AMC7834 12-Bit Integrated Power-Amplifier Monitor and Control System with Temperature, Current and Voltage Supervision Capabilities

AMC7834
SLAS972B – NOVEMBER 2014 – REVISED MARCH 2016
www.ti.com
6.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
AV_DD ⁽¹⁾
DV_DD ⁽¹⁾
Supply voltage
IOV_DD
AV_CC
AV_SS ⁽²⁾
PAV_DD
Specified performance temperature
Operating temperature
MIN
NOM
MAX
4.5
5
5.5
4.5
5
5.5
1.7
3.3
3.6
4.5
5
12.5
–5.5
–5
0
4
5
20
–40
25
105
–40
25
125
(1) The value of the DV_DD pin must be equal to that of the AV_DD pins.
(2) The value of the AV_SS pin is only equal to AGND when all bipolar DACs are set to operate in positive voltage ranges.
UNIT
V
°C
°C
6.4 Thermal Information
THERMAL METRIC⁽¹⁾⁽²⁾
RTQ (VQFN)
56 PINS
UNIT
R_θJA
R_θJC(top)
R_θJB
ψ_JT
ψ_JB
R_θJC(bot)
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
24.7
7.9
2.7
°C/W
0.2
2.7
0.3
(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 AV_SS pin.
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