参数资料
型号: MSP430G2252IRSA16T
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQCC16
封装: GREEN, PLASTIC, QFN-16
文件页数: 26/59页
文件大小: 1020K
代理商: MSP430G2252IRSA16T
MSP430G2x52
MSP430G2x12
SLAS722D
– DECEMBER 2010 – REVISED AUGUST 2011
10-Bit ADC, Power Supply and Input Range Conditions (MSP430G2x52 Only)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
(1)
PARAMETER
TEST CONDITIONS
TA
VCC
MIN
TYP
MAX
UNIT
VCC
Analog supply voltage
VSS = 0 V
2.2
3.6
V
All Ax terminals, Analog inputs
VAx
Analog input voltage(2)
3 V
0
VCC
V
selected in ADC10AE register
fADC10CLK = 5.0 MHz,
ADC10ON = 1, REFON = 0,
IADC10
ADC10 supply current(3)
25
°C
3 V
0.6
mA
ADC10SHT0 = 1, ADC10SHT1 = 0,
ADC10DIV = 0
fADC10CLK = 5.0 MHz,
ADC10ON = 0, REF2_5V = 0,
0.25
REFON = 1, REFOUT = 0
Reference supply current,
IREF+
25
°C
3 V
mA
reference buffer disabled(4)
fADC10CLK = 5.0 MHz,
ADC10ON = 0, REF2_5V = 1,
0.25
REFON = 1, REFOUT = 0
fADC10CLK = 5.0 MHz,
Reference buffer supply
ADC10ON = 0, REFON = 1,
IREFB,0
25
°C
3 V
1.1
mA
current with ADC10SR = 0(4)
REF2_5V = 0, REFOUT = 1,
ADC10SR = 0
fADC10CLK = 5.0 MHz,
Reference buffer supply
ADC10ON = 0, REFON = 1,
IREFB,1
25
°C
3 V
0.5
mA
current with ADC10SR = 1(4)
REF2_5V = 0, REFOUT = 1,
ADC10SR = 1
Only one terminal Ax can be selected
CI
Input capacitance
25
°C
3 V
27
pF
at one time
RI
Input MUX ON resistance
0 V
≤ VAx ≤ VCC
25
°C
3 V
1000
(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.
32
Copyright
2010–2011, Texas Instruments Incorporated
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