參數(shù)資料
型號: LM9831CCVJDX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 消費家電
英文描述: LM9831 42-Bit Color, 1200dpi USB Image Scanner
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝: PLASTIC, TQFP-100
文件頁數(shù): 40/41頁
文件大?。?/td> 320K
代理商: LM9831CCVJDX
40
www.national.com
+Vmotor
+
Reset
A
A
Phase A
Invert
Set-Dominant
S/R Flipflop
+Vmotor
B
B
Stepper
Phase A
Stepper
Phase A
Stepper
Phase B
Stepper
Phase B
DAC code for
phase A
3
SENSE1
SENSE2
HIGH CURRENT
GND SENSE
1
1
DAC A:
0.110V,
0.175V,
0.325V,
0.425V,
0.465V
Comparators need no hysteresis. SR flipflops are set periodi-
cally by pulse from PWM Generator. Flipflops can only be reset
after SR goes low when Reset (comparator output) is high
(V
SENSE
> V
DAC
).
Reset is level sensitive, not edge sensitive.
12MHz
÷1 to 256
8
÷64
PWM
Generator
0/64 to
63/64
high time
6
CR
CR
+
Reset
Set-Dominant
S/R Flipflop
3
DAC B:
0.110V,
0.175V,
0.325V,
0.425V,
0.465V
Set
Set
DAC code for
phase B
A
A
Q
Q
Phase B
Invert
B
B
TriState Stepper
Motor Outputs
LM9831
Stepper Motor Current Controller Block Diagram
External Components
相關PDF資料
PDF描述
LM9832CCVJD LM9832 42-Bit Color, 1200dpi USB Image Scanner
LM9832 LM9832 42-Bit Color, 1200dpi USB Image Scanner
LM9833CCVJD LM9833 48-Bit Color, 1200dpi USB Image Scanner
LM9833 LM9833 48-Bit Color, 1200dpi USB Image Scanner
LM98501CCVBH 10-Bit, 27 MSPS Camera Signal Processor
相關代理商/技術參數(shù)
參數(shù)描述
LM9832 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM9832 42-Bit Color, 1200dpi USB Image Scanner
LM9832B-B WAF 制造商:Texas Instruments 功能描述:
LM9832B-E WAF 制造商:Texas Instruments 功能描述:
LM9832CCVJD 功能描述:IC SCANNER CLR USB IMAGE 100TQFP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模擬前端 (AFE) 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 位數(shù):- 通道數(shù):2 功率(瓦特):- 電壓 - 電源,模擬:3 V ~ 3.6 V 電壓 - 電源,數(shù)字:3 V ~ 3.6 V 封裝/外殼:32-VFQFN 裸露焊盤 供應商設備封裝:32-QFN(5x5) 包裝:帶卷 (TR)
LM9832CCVS-B 制造商:Texas Instruments 功能描述: