Datasheet

MSP430L092
MSP430C09x
SLAS673 –SEPTEMBER 2010 www.ti.com
A-POOL, Temperature Sensor
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
SENSOR
V
CC
= 0.9 V to 1.65 V 2 µA
TC
SENSOR
V
CC
= 0.9 V to 1.65 V, T
A
= 0°C to 50°C (ΔV/ΔT referenced to 30°C) 464 µV/°C
V
OFFSET25
V
CC
= 0.9 V to 1.65 V at T
A
= 30°C 179 mV
t
SETTLE
V
CC
= 0.9 V to 1.65 V (before start of conversion) 15 µs
V
SENSOR
(1)
V
CC
= 0.9 V to 1.65 V, T
A
= 0°C to 50°C 179 mV
(1) This formula can be used to calculate the temperature sensor output voltage: V
SENSOR
= V
OFFSET25
+ TC
SENSOR
× (T
A
– 30°C).
A-POOL, Input Voltage Dividers
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Any Rx in dividers ±1.5
ΔRx/Rx %
Any Rx across switches and internal supply voltage divider (by 4, by 8) ±2
On A0/A1 , VA0/VA1 = 0.5V, ADIV0/ADIV1 = 1 (500-mV range) 120 200 300
RIN On A2/A3 , VA2/VA3 = 0.5V, ADIV2/ADIV4 = 1 (1-V range) 80 133 190 kΩ
On A2/A3 , VA2/VA3 = 0.5V, ADIV2+ADIV3/ADIV4+ADIV5 = 1 (2-V range) 70 114 150
ΔI
VCC
ADIV7 = 1 (supply voltage divider on) 2 µA
A-POOL, DAC-8
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
REF
V
CC
= 0.9 V to 1.65 V 256 mV
On ±1 LSB steps (6t), V
CC
= 0.9 V to 1.65 V, external V
REF
2
t
SETTLE
µs
Between all codes > 20 on AOUT (6t), V
CC
= 0.9 V to 1.65 V, external V
REF
14
V
CC
= 0.9 V to 1.65 V, external V
REF
,
EI ±3 LSB
add ±7 mV for V
OUT
offset
(1)
for codes > 7
V
CC
= 0.9 V to 1.65 V, external VREF,
ED ±1 LSB
add ±7 mV for V
OUT
offset
(1)
for codes > 7
(1) This offset can be compensated using software.
A-POOL, Comparator
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IN
V
CC
= 0.9 V to 1.65 V 0 275 mV
Overdrive = 20 mV 0.5
t
pd
Overdrive = 5 mV 0.5 µs
Overdrive = 1 mV 1
A-POOL, AOUT Terminal
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
OUT
> 50 mV
5
(accuracy ±1% of V
OUT
)
| I
LOAD
| V
CC
= 0.9 V to 1.65 V, C
LOAD
= 25 pF µA
V
OUT
> 20 mV
2
(accuracy ±1% of V
OUT
)
t
SETTLE
V
CC
= 0.9 V to 1.65 V, C
LOAD
= 25 pF, ± 1% (6t) (for AOUT 20 to 256 mV) 4 µs
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