MSP430F6779A Datasheet, PDF (57/176 Pages) Texas Instruments – Polyphase Metering SoCs

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MSP430F6779A, MSP430F6778A, MSP430F6777A, MSP430F6776A, MSP430F6775A
MSP430F6769A, MSP430F6768A, MSP430F6767A, MSP430F6766A, MSP430F6765A
MSP430F6749A, MSP430F6748A, MSP430F6747A, MSP430F6746A, MSP430F6745A
SLAS982 – MAY 2014
110.0
100.0
theoretical limit
(2nd order)
90.0
80.0
70.0
60.0
50.0
10
100
1000
OSR
Figure 5-17. SINAD vs OSR
(f_SD24 = 1MHz, SD24REFON = 1, SD24GAIN: 1)
100.0
80.0
60.0
40.0
20.0
0.0
0
0.2
0.4
0.6
0.8
1
Vpp/Vref/Gain
Figure 5-18. SINAD vs V_PP
Table 5-46. SD24_B External Reference Input
ensure correct input voltage range according to V_REF
PARAMETER
TEST CONDITIONS
V_CC
V_REF(I) Input voltage
SD24REFS = 0
3V
I_REF(I) Input current
SD24REFS = 0
3V
MIN TYP MAX UNIT
1.0 1.20 1.5 V
50 nA
Copyright © 2014, Texas Instruments Incorporated
Specifications
57
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MSP430F6769A MSP430F6768A MSP430F6767A MSP430F6766A MSP430F6765A MSP430F6749A
MSP430F6748A MSP430F6747A MSP430F6746A MSP430F6745A