參數(shù)資料
型號(hào)： MSP430F477IPN
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, PQFP80
封裝： GREEN, PLASTIC, LQFP-80
文件頁數(shù)： 46/88頁
文件大?。?/td> 1623K
代理商： MSP430F477IPN
MSP430F47x
MIXED SIGNAL MICROCONTROLLER
SLAS629A -- MARCH 2009 -- REVISED APRIL 2009
50
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted)
12-bit DAC, reference input specifications
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
V
Reference input
DAC12IR = 0 (see Notes 1 and 2)
2.2 V/3 V
AVCC/3 AVCC+0.2
V
VREF
Reference input
voltage range
DAC12IR = 1 (see Notes 3 and 4)
2.2 V/3 V
AVCC AVCC+0.2
V
Ri(VREF)
Reference input
resistance
DAC12IR = 0, SD16VMIDON = 1
(see Note 5)
2.2 V/3 V
20
M
Ri(VREF)
resistance
DAC12IR = 1, SD16VMIDON = 1
2.2 V/3 V
40
48
56
k
NOTES: 1. For a full-scale output, the reference input voltage can be as high as 1/3 of the maximum output voltage swing (AVCC).
2. The maximum voltage applied at reference input voltage terminal VREF =[AVCC -- VE(O)]/[3*(1 + EG)].
3. For a full-scale output, the reference input voltage can be as high as the maximum output voltage swing (AVCC).
4. The maximum voltage applied at reference input voltage terminal VREF =[AVCC -- VE(O)]/(1 + EG).
5. Characterized, not production tested
12-bit DAC, dynamic specifications (VREF, DAC12 =AVCC, DAC12IR = 1) (see Figure 24 and Figure 25)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
DAC12
DAC12_xDAT = 800h,
DAC12AMPx = 0 → {2,3,4}
2.2 V/3 V
60
120
tON
DAC12
on time
DAC12_xDAT = 800h,
ErrorV(O) < ±0.5 LSB
DAC12AMPx = 0 → {5, 6}
2.2 V/3 V
15
30
s
tON
on-time
ErrorV(O) < ±0.5 LSB
(see Note 1, Figure 24)
DAC12AMPx = 0 → 7
2.2 V/3 V
6
12
s
Settling time
DAC12 xDAT
DAC12AMPx = 2
2.2 V/3 V
100
200
tS(FS)
Settling time,
full scale
DAC12_xDAT=
80h→ F7Fh→ 80h
DAC12AMPx = 3, 5
2.2 V/3 V
40
80
s
tS(FS)
full-scale
80h→ F7Fh→ 80h
DAC12AMPx = 4, 6, 7
2.2 V/3 V
15
30
s
Settling time
DAC12_xDAT=
DAC12AMPx = 2
2.2 V/3 V
5
tS(C-C)
Settling time,
code to code
DAC12_xDAT =
3F8h→ 408h→ 3F8h
DAC12AMPx = 3, 5
2.2 V/3 V
2
s
tS(C-C)
code to code
3F8h
408h
3F8h
BF8h→ C08h→ BF8h
DAC12AMPx = 4, 6, 7
2.2 V/3 V
1
s
DAC12 xDAT
DAC12AMPx = 2
2.2 V/3 V
0.05
0.12
SR
Slew rate
DAC12_xDAT=
80h→ F7Fh→ 80h
DAC12AMPx = 3, 5
2.2 V/3 V
0.35
0.7
V/s
SR
Slew rate
80h→ F7Fh→ 80h
DAC12AMPx = 4, 6, 7
2.2 V/3 V
1.5
2.7
V/s
DAC12 xDAT
DAC12AMPx = 2
2.2 V/3 V
600
Glitch energy: full-scale
DAC12_xDAT=
80h→ F7Fh→ 80h
DAC12AMPx = 3, 5
2.2 V/3 V
150
nV-s
Glitch energy: full scale
80h→ F7Fh→ 80h
DAC12AMPx = 4, 6, 7
2.2 V/3 V
30
nV s
NOTES: 1. RLoad and CLoad connected to AVSS (not AVCC/2) in Figure 24.
2. Slew rate applies to output voltage steps > = 200mV.
RLoad
AVCC
CLoad = 100pF
2
DAC Output
RO/P(DAC12.x)
ILoad
Conversion 1
Conversion 2
VOUT
Conversion 3
Glitch
Energy
+/-- 1/2 LSB
tsettleLH
tsettleHL
=3 k
Figure 24. Settling Time and Glitch Energy Testing
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MSP430F4783IPZ 功能描述:16位微控制器 - MCU 16B Ultra-Lo-Pwr MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
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