MSP430x22x2, MSP430x22x4
MIXED SIGNAL MICROCONTROLLER
SLAS504A 鈭?JULY 2006 鈭?REVISED DECEMBER 2006
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
10-bit ADC, power supply and input range conditions (see Note 1)
PARAMETER
VCC
VAx
Analog supply voltage
range
Analog input voltage range
(see Note 2)
TEST CONDITIONS
VSS = 0 V
All Ax terminals.
Analog inputs selected in
ADC10AE register.
fADC10CLK = 5.0 MHz
ADC10ON = 1, REFON = 0
ADC10SHT0 = 1,
ADC10SHT1 = 0, ADC10DIV
=0
fADC10CLK = 5.0 MHz
ADC10ON = 0, REF2_5V = 0,
REFON = 1, REFOUT = 0
fADC10CLK = 5.0 MHz
ADC10ON = 0, REF2_5V = 1,
REFON = 1, REFOUT = 0
fADC10CLK = 5.0 MHz
ADC10ON = 0,
REFON = 1, REF2_5V = 0,
REFOUT = 1,
ADC10SR=0
fADC10CLK = 5.0 MHz
ADC10ON = 0,
REFON = 1,
REF2_5V = 0,
REFOUT = 1,
ADC10SR=1
Only one terminal Ax selected
at a time
0V
鈮?/div>
VAx
鈮?/div>
VCC
2.2 V
I: -40鈭?5擄C
-40鈭?5 C
T: -40鈭?05擄C
3V
I: -40鈭?5擄C
T: -40鈭?05擄C
I: -40鈭?5擄C
T: -40鈭?05擄C
-40鈭?5擄C
105擄C
0.6
1.2
TA
VCC
MIN
2.2
TYP
MAX
3.6
UNIT
V
0
VCC
V
0.52
1.05
mA
IADC10
ADC10 supply current
(see Note 3)
IREF+
Reference supply current,
reference buffer disabled
(see Note 4)
2.2 V/3 V
0.25
3V
0.4
mA
mA
IREFB,0
Reference buffer supply
current with ADC10SR=0
(see Note 4)
2.2 V/3 V
2.2 V/3 V
1.1
1.4
1.8
mA
mA
IREFB,1
Reference buffer supply
current with ADC10SR=1
(see Note 4)
-40鈭?5擄C
2.2 V/3 V
0.5
0.7
mA
105擄C
I: -40鈭?5擄C
T: -40鈭?05擄C
I: -40鈭?5擄C
T: -40鈭?05擄C
2.2 V/3 V
0.8
mA
CI
RI
NOTES: 1.
2.
3.
4.
Input capacitance
Input MUX ON resistance
27
2.2 V/3 V
2000
pF
鈩?/div>
The leakage current is defined in the leakage current table with Px.x/Ax parameter.
The analog input voltage range must be within the selected reference voltage range VR+ to VR鈭?for valid conversion results.
The internal reference supply current is not included in current consumption parameter IADC10.
The internal reference current is supplied via terminal VCC. Consumption is independent of the ADC10ON control bit, unless a
conversion is active. The REFON bit enables the built-in reference to settle before starting an A/D conversion.
46
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
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