參數(shù)資料
型號(hào)： MSP430F2274MDATEP
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, RISC MICROCONTROLLER, PDSO38
封裝： GREEN, PLASTIC, TSSOP-38
文件頁(yè)數(shù)： 35/80頁(yè)
文件大?。?/td> 1269K
代理商： MSP430F2274MDATEP
SLAS614D
– SEPTEMBER 2008 – REVISED MAY 2011
10-Bit ADC, Power-Supply and Input Range Conditions
– Electrical Characteristics
(1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TA
VCC
MIN
TYP
MAX
UNIT
VCC
Analog supply voltage range
VSS = 0 V
–55°C to125 °C
2.2
3.6
V
All Ax terminals,
VAx
Analog input voltage range (2)
Analog inputs selected in
–55°C to 125°C
0
VCC
V
ADC10AE register
fADC10CLK = 5.0 MHz,
2.2 V
0.52
1.05
ADC10ON = 1, REFON = 0,
IADC10
ADC10 supply current(3)
ADC10SHT0 = 1,
–55°C to 125°C
mA
3 V
0.6
1.2
ADC10SHT1 = 0,
ADC10DIV = 0
fADC10CLK = 5.0 MHz,
ADC10ON = 0, REF2_5V = 0,
–55°C to 125°C
2.2 V/3 V
REFON = 1, REFOUT = 0
Reference supply current,
IREF+
0.25
.4
mA
reference buffer disabled(4)
fADC10CLK = 5.0 MHz,
ADC10ON = 0, REF2_5V = 1,
–55°C to 125°C
3 V
REFON = 1, REFOUT = 0
fADC10CLK = 5.0 MHz,
–55°C to 85°C
2.2 V/3 V
1.1
1.4
Reference buffer supply current
ADC10ON = 0, REFON = 1,
IREFB,0
mA
with ADC10SR = 0(4)
REF2_5V = 0,
125
°C
2.2 V/3 V
1.8
REFOUT = 1, ADC10SR = 0
fADC10CLK = 5.0 MHz,
–55°C to 85°C
2.2 V/3 V
0.5
.7
mA
Reference buffer supply current
ADC10ON = 0, REFON = 1,
IREFB,1
with ADC10SR = 1(4)
REF2_5V = 0, REFOUT = 1,
125
°C
2.2 V/3 V
.8
mA
ADC10SR=1
Only one terminal Ax selected at
CI
Input capacitance
27
pF
a time
RI
Input MUX ON resistance
0 V
≤ VAx ≤ VCC
2.2 V/3 V
2000
(1)
The leakage current is defined in the leakage current table with Px.x/Ax parameter.
(2)
The analog input voltage range must be within the selected reference voltage range VR+ to VR– for valid conversion results.
(3)
The internal reference supply current is not included in current consumption parameter IADC10.
(4)
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.
40
Copyright
2008–2011, Texas Instruments Incorporated
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