參數(shù)資料
型號(hào)： TLV5614(中文)
廠商： Texas Instruments, Inc.
英文描述： 2.7V to 5.5V 12-Bit 3us Quadruple Digital-to-Analog Converters With Power Down(具有掉電功能的2.7V至5.5V,12位,3微秒,四路DAC)
中文描述： 2.7V至5.5V 12位3us四倍數(shù)字模擬轉(zhuǎn)換器由于斷電（具有掉電功能的為2.7V至5.5V之間，12位，3微秒，四路援會(huì)）
文件頁(yè)數(shù)： 17/20頁(yè)
文件大?。?/td> 529K
代理商： TLV5614(中文)
==1999-3-18==
P&S
oo á|′μ×ó1é· YóDT1
==20-16==
P &S
oo á|′μ×ó1é· YóDT1
μ :
ot±±ooêD×μèa· 15o
P&Sí í :
http://www.p8s.com
D :
ooêD70020D
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430079
μ°:
( 86) ( 027￡87493500 87493506
′
( 86) ( 027) 87491166, 87493497
· ′àDo￡¨óàò￡y ￡
ú¨ê±÷óóúòì¨μμê2úéúD ￡óD1μD· t×óìDòê1
LDAC
a3μíμò
±íê±￠D
4
DAC
￡èoóè ò ù±2￠°üD′áùóD
4
DAC
D ￡ù±′￠′ú2éò
￡¨
look-up
￡±í D￡üèêáá íêüúμyò¨ ￡
ò ê
0
ê1ó÷μ′DDú￡üú
RxD
é· ￠í
8
êyY￡íê±ú
TxD
é′íí2ê±ó ￡
aá°íêμ×D′á
TLV5614
￡Dèòá áúòeμD′2ù×÷ ￡í¨1y
IO
ú
3
μòùDèμù
êìá1
CS
oí
FS
Do￡′úóDé° μê3 ￡
3ìDòμ￥
;
; Processor: 80C51
;
; Description:
;
; This program generates a differential in-phase
(sine) on (OUTA OUTB) ; and it's quadrature (cosine)
as a differential signal on (OUTC OUTD).
;
; 1998, Texas Instruments Inc.
;
NAME
GENIQ
MAIN
SEGMENT
CODE
ISR
SEGMENT
CODE
SINTBL SEGMENT
CODE
VAR1
SEGMENT
DATA
STACK
SEGMENT
IDATA
;
; Code start at address 0, jump to start
;
CSEG AT 0
LJMP
start
; Execution starts at address 0 on power up.
;
; Code in the timer0 interrupt vector
;
CSEG AT 0BH
LJMP timer0isr
; Jump vector for timer 0 interrupt is 000Bh
;
; Global variables need space allocated
;
RSEG
VAR1
temp_ptr:
DS
1
rolling_ptr: DS
1
; ;
Interrupt service routine for timer 0 interrupts
;
RSEG
ISR
timer0isr:
PUSH
PSW
PUSH
ACC
CLR
INT1
; pulse LDAC low
SETB
INT1
; to latch all 4 previous values at the same time
; 1st thing done in timer isr => fixed period
CLR
T0
; set CS low
; The signal to be output on each DAC is a sine function.
; One cycle of a sine wave is held in a table @ sinevals
; as 32 samples of msb, lsb pairs (64 bytes).
; We have ; one pointer which rolls round this table, rolling_ptr,
; incrementing by 2 bytes (1 sample) on each interrupt (at the end of
; this routine).
; The DAC samples are read at an offset to this rolling pointer:
; DAC
Function
Offset from rolling_ptr
; A
sine
0
; B
inverse sine 32
; C
cosine
16
; D
inverse cosine48
MOV
DPTR,#sinevals; set DPTR to the start of the table
; of sine signal values
MOV
R7,rolling_ptr; R7 holds the pointer
;into the sine table
MOV
MOVC
A,R7
A,@A+DPTR
; get DAC A msb
; msb of DAC A is in the ACC
------------------------------------------------------------------------------------------------------------------------------------------------------------
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參數(shù)描述
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TLV5614CDG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10bit Quad Serial RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
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