MSP430F41x2
MIXED SIGNAL MICROCONTROLLER
SLAS648E -- APRIL 2009 -- REVISED MARCH 2011
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
10-bit ADC, temperature sensor and built-in VMID
PARAMETER
TEST CONDITIONS
V
MIN
TYP
40
MAX
120
UNIT
CC
2.2 V
3 V
Temperature sensor supply
current (see Note )
REFON = 0, INCHx = 0Ah,
I
A
SENSOR
ADC10ON = 1, T = 25_C
A
60
160
ADC10ON = 1, INCHx = 0Ah
(see Note 2)
2.2 V/3 V
3.55
mV/C
mV
TC
V
SENSOR
ADC10ON = 1, INCHx = 0Ah
(see Note 2)
Sensor offset voltage
--100
100
1395
1185
1095
Offset,Sensor
Sensor
Temperature sensor voltage
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
1195
985
895
1295
1085
995
mV
at T = 85C
A
Temperature sensor voltage
Sensor output voltage
(see Note 3)
V
at T = 25C
A
mV
Temperature sensor voltage
at T = 0C
A
Sample time required if
channel 10 is selected (see
Note 4)
ADC10ON = 1, INCHx = 0Ah,
Error of conversion result 1 LSB
2.2 V/3 V
30
s
t
I
Sensor(sample)
VMID
2.2 V
3 V
NA
NA
Current into divider at
channel11 (see Note 5)
ADC10ON = 1, INCHx = 0Bh
ADC10ON = 1, INCHx = 0Bh,
A
2.2 V
3 V
1.06
1.46
1.1
1.5
1.14
1.54
V
t
V
divider at channel 11
CC
V
MID
V
is 0.5 x V
MID
CC
Sample time required if
channel 11 is selected
(see Note 6)
2.2 V
3 V
1400
1220
ADC10ON = 1, INCHx = 0Bh,
Error of conversion result 1 LSB
ns
VMID(sample)
NOTES: 1. The sensor current I
is consumed if (ADC10ON = 1 and REFON = 1), or (ADC10ON = 1 and INCH = 0Ah and sample signal
SENSOR
is high). When REFON = 1, I
sensor input (INCH = 0Ah).
is included in I
. When REFON = 0, I
applies during conversion of the temperature
SENSOR
REF+
SENSOR
2. The following formula can be used to calculate the temperature sensor output voltage:
V
V
= TC
= TC
( 273 + T [C] ) + V
[mV] or
Sensor,typ
Sensor
Offset,sensor
T [C] + V
(T = 0C) [mV]
A
Sensor,typ
Sensor
Sensor
3. Results based on characterization and/or production test, not TC
or V
.
Offset,sensor
Sensor
4. The typical equivalent impedance of the sensor is 51 k. The sample time required includes the sensor-on time t
.
SENSOR(on)
5. No additional current is needed. The V
is used during sampling.
MID
6. The on-time t
is included in the sampling time t
; no additional on time is needed.
VMID(on)
VMID(sample)
Timer0_A3, Timer1_A5
PARAMETER
TEST CONDITIONS
Internal: SMCLK, ACLK,
External: TACLK, INCLK,
V
MIN
MAX UNIT
CC
2.2 V
3 V
8
f
t
Timer_A clock frequency
Timer_A, capture timing
MHz
10
TA
Duty cycle = 50% 10%
TA0, TA1, TA2
2.2 V/3 V
20
ns
TA,cap
44
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