參數(shù)資料
型號: MSP430FG438IPN
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 MHz, RISC MICROCONTROLLER, PQFP80
封裝: GREEN, PLASTIC, QFP-80
文件頁數(shù): 40/73頁
文件大小: 1121K
代理商: MSP430FG438IPN
MSP430FG43x
MIXED SIGNAL MICROCONTROLLER
SLAS380C APRIL 2004 REVISED MARCH 2011
45
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted)
RO/P(OAx)
Max
0.2V
AVCC
AVCC0.2V
VOUT
Min
RLoad
AVCC
CLoad
2
ILoad
OAx
O/P(OAx)
Figure 29. OAx Output Resistance Tests
operational amplifier OA, dynamic specifications
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
Fast Mode
1.2
SR
Slew rate
Medium Mode
0.8
V/
μs
SR
Slew rate
Slow Mode
0.3
V/
μs
Open-loop voltage gain
100
dB
φm
Phase margin
CL = 50 pF
60
deg
Gain margin
CL = 50 pF
20
dB
Non inverting Fast Mode R
47k
Ω C
50pF
2 2 V/3 V
22
Gain-Bandwidth Product
Noninverting, Fast Mode, RL = 47kΩ, CL = 50pF
2.2 V/3 V
2.2
GBW
Gain-Bandwidth Product
Non inverting Medium Mode R
300k
Ω C
50pF
2 2 V/3 V
14
MHz
GBW
Noninverting, Medium Mode, RL =300kΩ, CL = 50pF 2.2 V/3 V
1.4
MHz
GBW
Non inverting Slow Mode R
300k
Ω C
50pF
2 2 V/3 V
05
MHz
Noninverting, Slow Mode, RL =300kΩ, CL = 50pF
2.2 V/3 V
0.5
ten(on)
Enable time on
ton, non-inverting, Gain = 1
2.2 V/3 V
10
20
μs
ten(off)
Enable time off
2.2 V/3 V
1
μs
Figure 30
Input Frequency kHz
80
60
40
20
0
20
40
60
80
100
120
140
TYPICAL OPEN-LOOP GAIN vs FREQUENCY
Slow Mode
Fast Mode
Gain
dB
Medium Mode
0.001
0.01
0.1
1
10
100
1000
10000
Figure 31
Input Frequency kHz
250
200
150
100
50
0
1
10
100
1000
10000
TYPICAL PHASE vs FREQUENCY
Phase
degrees
Slow Mode
Fast Mode
Medium Mode
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