參數(shù)資料
型號： MSP430FE4252IPMR
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 8.4 MHz, RISC MICROCONTROLLER, PQFP64
封裝： GREEN, PLASTIC, LQFP-64
文件頁數(shù)： 22/48頁
文件大小： 891K
代理商： MSP430FE4252IPMR
MSP430FE42x2
MIXED SIGNAL MICROCONTROLLER
SLAS616 JULY 2008
29
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
ESP430CE1B, SD16 and ESP430 power supply and recommended operating conditions
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
AVCC
Analog supply
voltage
AVCC = DVCC
AVSS = DVSS = 0V
2.7
3.6
V
SD16LP = 0,
GAIN(V): 1, GAIN(I1): 1, I2: off
3 V
2.0
2.6
SD16LP
0,
fMCLK = 4MHz,
f
/4
GAIN(V): 1, GAIN(I1): 32, I2: off
3 V
2.4
3.3
Total digital and
analog supply
fSD16 = fMCLK/4,
SD16REFON = 1,
GAIN(V): 1, GAIN(I1): 1, GAIN(I2): 1
3 V
2.7
3.6
I
analog supply
current when
SD16REFON = 1,
SD16VMIDON = 0
GAIN(V): 1, GAIN(I1): 32, GAIN(I2): 32
3 V
3.4
4.9
mA
IESP430
current when
ESP430 and SD16
i
SD16LP = 1,
GAIN(V): 1, GAIN(I1): 1, I2: off
3 V
1.5
2.1
mA
active
(IAVCC +IDVCC)
SD16LP
1,
fMCLK = 2 MHz,
f
/4
GAIN(V): 1, GAIN(I1): 32, I2: off
3 V
1.6
2.1
(IAVCC + IDVCC)
fSD16 = fMCLK/4,
SD16REFON = 1,
GAIN(V): 1, GAIN(I1): 1, GAIN(I2): 1
3 V
2.1
2.8
SD16REFON = 1,
SD16VMIDON = 0
GAIN(V): 1, GAIN(I1): 32, GAIN(I2): 32
3 V
2.2
3.0
Analog supply
SD16LP = 0,
GAIN: 1, 2
3 V
650
950
Analog supply
current: one active
SD16LP = 0,
fSD16 = 1 MHz,
GAIN: 4, 8, 16
3 V
730
1100
ISD16
current: one active
SD16 channel
fSD16
1 MHz,
SD16OSR = 256
GAIN: 32
3 V
1050
1550
A
ISD16
including internal
reference (ESP430
SD16LP = 1,
f
0 5 MHz
GAIN: 1
3 V
620
930
A
reference (ESP430
disabled)
fSD16 = 0.5 MHz,
SD16OSR = 256
GAIN: 32
3 V
700
1060
fMAINS
Mains frequency
range
33
80
Hz
f
Analog front-end
input clock
SD16LP = 0 (low-power mode disabled)
3 V
1
MHz
fSD16
input clock
frequency
SD16LP = 1 (low-power mode enabled)
3 V
0.5
MHz
ESP430CE1B, SD16 input range (see Note 1)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
SD16GAINx = 1, SD16REFON = 1
±500
Differential input
SD16GAINx = 2, SD16REFON = 1
±250
V
Differential input
voltage range for
specified
SD16GAINx = 4, SD16REFON = 1
±125
mV
VID
specified
performance
SD16GAINx = 8, SD16REFON = 1
±62
mV
performance
(see Note 2)
SD16GAINx = 16, SD16REFON = 1
±31
(see Note 2)
SD16GAINx = 32, SD16REFON = 1
±15
Z
Input impedance
(one input pin to
fSD16 = 1MHz, SD16GAINx = 1
3 V
200
k
ZI
(one input pin to
AVSS)
fSD16 = 1MHz, SD16GAINx = 32
3 V
75
k
Z
Differential input
impedance
fSD16 = 1MHz, SD16GAINx = 1
3 V
300
400
k
ZID
impedance
(IN+ to IN)
fSD16 = 1MHz, SD16GAINx = 32
3 V
100
150
k
VI
Absolute input
voltage range
AVSS
1 V
AVCC
V
VIC
Common-mode
input voltage range
AVSS
1 V
AVCC
V
NOTES:
1. All parameters pertain to each SD16 channel.
2. The analog input range depends on the reference voltage applied to VREF. If VREF is sourced externally, the full-scale range is defined
by VFSR+ = +(VREF/2)/GAIN and VFSR = (VREF/2)/GAIN. The analog input range should not exceed 80% of VFSR+ or VFSR.
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