MSP430F6779A Datasheet, PDF (61/176 Pages) Texas Instruments – Polyphase Metering SoCs

www.ti.com
MSP430F6779A, MSP430F6778A, MSP430F6777A, MSP430F6776A, MSP430F6775A
MSP430F6769A, MSP430F6768A, MSP430F6767A, MSP430F6766A, MSP430F6765A
MSP430F6749A, MSP430F6748A, MSP430F6747A, MSP430F6746A, MSP430F6745A
SLAS982 – MAY 2014
5.8.11 Comparator_B
Table 5-52. Comparator_B
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
V_CC
Supply voltage
TEST CONDITIONS
V_CC
1.8 V
MIN TYP
1.8
Comparator operating CBPWRMD = 00, CBON = 1, CBRSx = 00
2.2 V
22
I_{AVCC_COMP}
supply current into
AVCC, Excludes
3V
32
reference resistor ladder CBPWRMD = 01, CBON = 1, CBRSx = 00
2.2 V, 3 V
10
CBPWRMD = 10, CBON = 1, CBRSx = 00
2.2 V, 3 V
0.2
I_{AVCC_REF}
Quiescent current of
resistor ladder into
AVCC, Includes REF
module current
CBREFACC = 1, CBREFLx = 01,
CBRSx = 10, REFON = 0, CBON = 0
CBREFACC = 0, CBREFLx = 01,
CBRSx = 10, REFON = 0, CBON = 0
2.2 V, 3 V
2.2 V, 3 V
10
33
V_IC
Common mode input
range
0
CBPWRMD = 00
-20
V_OFFSET
Input offset voltage
CBPWRMD = 01 or 10
-20
C_IN
R_SIN
Input capacitance
Series input resistance
ON - switch closed
OFF - switch opened
5
3
50
CBPWRMD = 00, CBF = 0
t_PD
Propagation delay,
response time
CBPWRMD = 01, CBF = 0
CBPWRMD = 10, CBF = 0
CBPWRMD = 00, CBON = 1, CBF = 1,
CBFDLY = 00
0.30 0.6
t_PD,filter
Propagation delay with
filter active
CBPWRMD = 00, CBON = 1, CBF = 1,
CBFDLY = 01
CBPWRMD = 00, CBON = 1, CBF = 1,
CBFDLY = 10
0.5 1.0
0.8 1.8
CBPWRMD = 00, CBON = 1, CBF = 1,
CBFDLY = 11
1.5 3.4
t_{EN_CMP}
CBON = 0 to CBON = 1,
Comparator enable time ^{CBPWRMD = 00 or 01}
1
CBON = 0 to CBON = 1, CBPWRMD = 10
t_{EN_REF}
Resistor reference
enable time
CBON = 0 to CBON = 1
1.0
TC_REF
Temperature coefficient
reference
V_{CB_REF}
Reference voltage for a VIN = reference into resistor ladder,
given tap
n = 0 to 31
VIN × VIN ×
(n+1.5) (n+1)
/ 32 / 32
MAX
3.6
40
50
65
30
0.85
22
40
V_CC-1
+20
+20
4
450
600
50
1.5
1.8
3.4
6.5
2
50
1.5
50
VIN ×
(n+0.5)
/ 32
UNIT
V
µA
µA
µA
V
mV
mV
pF
kΩ
MΩ
ns
ns
µs
µs
µs
µs
µs
µs
µs
µs
ppm/
°C
V
Copyright © 2014, Texas Instruments Incorporated
Specifications
61
Submit Documentation Feedback
Product Folder Links: MSP430F6779A MSP430F6778A MSP430F6777A MSP430F6776A MSP430F6775A
MSP430F6769A MSP430F6768A MSP430F6767A MSP430F6766A MSP430F6765A MSP430F6749A
MSP430F6748A MSP430F6747A MSP430F6746A MSP430F6745A