Texas Instruments IC MCU 16B MSP430F235TPM LQFP-64 TID MSP430F235TPM Datenbogen
Produktcode
MSP430F235TPM
MSP430F23x
MSP430F24x(1)
MSP430F2410
SLAS547I – JUNE 2007 – REVISED DECEMBER 2012
12-Bit ADC, Temperature Sensor and Built-In V
MID
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
Operating supply
2.2 V
40
120
REFON = 0, INCH = 0Ah,
I
SENSOR
current into AV
CC
µA
ADC12ON = 1, T
A
= 25°C
3V
60
160
terminal
(1)
2.2 V
986
V
SENSOR
(2) (3)
ADC12ON = 1, INCH = 0Ah, T
A
= 0°C
mV
3V
986
2.2 V
3.55
3.55 ± 3%
TC
SENSOR
(3)
ADC12ON = 1, INCH = 0Ah
mV/°C
3V
3.55
3.55 ± 3%
Sample time
2.2 V
30
ADC12ON = 1, INCH = 0Ah,
t
SENSOR(sample)
(3)
required if channel
µs
Error of conversion result
≤
1 LSB
3V
30
10 is selected
(4)
2.2 V
NA
Current into divider
I
VMID
ADC12ON = 1, INCH = 0Bh
µA
at channel 11
(5)
3V
NA
2.2 V
1.1
1.1 ± 0.04
AV
CC
divider at
ADC12ON = 1, INCH = 0Bh,
V
MID
V
channel 11
V
MID
is ~0.5 × V
AVCC
3V
1.5
1.5 ± 0.04
Sample time
2.2 V
1400
ADC12ON = 1, INCH = 0Bh,
t
VMID(sample)
required if channel
ns
Error of conversion result
≤
1 LSB
3 V
1220
11 is selected
(6)
(1)
The sensor current I
SENSOR
is consumed if (ADC12ON = 1 and REFON = 1), or (ADC12ON = 1 AND INCH = 0Ah and sample signal is
high). Therefore it includes the constant current through the sensor and the reference.
(2)
The temperature sensor offset can be as much as ±20°C. A single-point calibration is recommended to minimize the offset error of the
built-in temperature sensor.
built-in temperature sensor.
(3)
Limits characterized
(4)
The typical equivalent impedance of the sensor is 51 k
Ω
. The sample time required includes the sensor-on time t
SENSOR(on)
(5)
No additional current is needed. The V
MID
is used during sampling.
(6)
The on-time t
VMID(on)
is included in the sampling time t
VMID(sample)
, no additional on time is needed.
Copyright © 2007–2012, Texas Instruments Incorporated
65