MSP430F6779A Datasheet, PDF (42/176 Pages) Texas Instruments – Polyphase Metering SoCs

MSP430F6779A, MSP430F6778A, MSP430F6777A, MSP430F6776A, MSP430F6775A
MSP430F6769A, MSP430F6768A, MSP430F6767A, MSP430F6766A, MSP430F6765A
MSP430F6749A, MSP430F6748A, MSP430F6747A, MSP430F6746A, MSP430F6745A
SLAS982 – MAY 2014
www.ti.com
Table 5-21. Auxiliary Supplies, Switch On-Resistance
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_CC
R_ON,DVCC
On-resistance of switch
between DVCC and VDSYS
I_LOAD = I_CORE + I_IO = 10 mA + 10 mA = 20 mA
MIN TYP MAX UNIT
5Ω
On-resistance of switch
R_ON,DAUX1 between AUXVCC1 and
VDSYS
I_LOAD = I_CORE + I_IO = 10 mA + 10 mA = 20 mA
5Ω
On-resistance of switch
R_ON,DAUX2 between AUXVCC2 and
VDSYS
I_LOAD = I_CORE + I_IO = 10 mA + 10 mA = 20 mA
5Ω
R_ON,AVCC
R_ON,AAUX1
On-resistance of switch
between AVCC and V_ASYS
On-resistance of switch
between AUXVCC1 and
VASYS
I_LOAD = I_Modules = 10 mA
I_LOAD = I_Modules = 5 mA
5Ω
20 Ω
On-resistance of switch
R_ON,AAUX2 between AUXVCC2 and
VASYS
I_LOAD = I_Modules = 5 mA
20 Ω
Table 5-22. Auxiliary Supplies, Switching Time
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_CC
t_Switch
Time from occurrence of trigger (SVM or software)
to "new" supply connected to system supplies
t_Recover
"Recovery time" after a switch over took place.
During that time no further switching takes place.
MIN TYP MAX UNIT
100 ns
170
480 µs
Table 5-23. Auxiliary Supplies, Switch Leakage
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_CC
I_SW,Lkg
Current into DVCC, AVCC, AUXVCC1, or Per supply (but not the highest
AUXVCC2 if not selected
supply)
I_Vmax
Current drawn from highest supply
MIN TYP MAX UNIT
75 250 nA
500 700 nA
Table 5-24. Auxiliary Supplies, Auxiliary Supplies to ADC10_A
over operating free-air temperature range (unless otherwise noted)
PARAMETER
V₃
Supply voltage divider
V₃ = V_Supply/3
TEST CONDITIONS
V_CC
1.8 V
MIN
0.57
3V
0.95
3.6 V
1.14
AUXADCRx = 0
R_V3
Load resistance
AUXADCRx = 1
AUXADCRx = 2
t_Sample,V3
Sampling time required if V₃ is Error of conversion
selected
result ≤ 1 LSB
AUXADCRx = 0
AUXADCRx = 1
AUXADCRx = 2
1000
1000
1000
TYP MAX UNIT
0.6 0.63
1.0 1.05 V
1.2 1.26
15 kΩ
1.5 kΩ
0.6 kΩ
ns
ns
ns
42
Specifications
Copyright © 2014, Texas Instruments Incorporated
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