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參數(shù)資料
| 型號： | TLV5616C |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN |
| 中文描述： | 2.7 V至5.5 V低功耗12位數(shù)字至模擬與電源降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 13/23頁 |
| 文件大?。?/td> | 310K |
| 代理商： | TLV5616C |
TLV5616C, TLV5616I
2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG
CONVERTERS WITH POWER DOWN
SLAS152B – DECEMBER 1997 – REVISED MARCH 1999
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
TLV5616 interfaced to TMS320C203 DSP
hardware interfacing
Figure 17 shows an example how to connect the TLV5616 to a TMS320C203 DSP. The serial interface of the
TLV5616 is ideally suited to this configuration, using a maximum of four wires to make the necessary
connections. In applications where only one synchronous serial peripheral is used, the interface can be
simplified even further by pulling CS low all the time as shown in the figure.
FS
DIN
SCLK
OUT
REFIN
CS AGND
VDD
REF
FS
DX
CLKX
TMS320C203
TLV5616
RLOAD
Figure 17. TLV5616 to DSP Interface
software
No setup procedure is needed to access the TLV5616. The output voltage can be set using just a single
command.
out
Where data_addr points to an address location holding the control bits and the 12 data bits providing the output
voltage data. SDTR is the address of the transmit FIFO of the synchronous serial port.
data_addr, SDTR
The following code shows how to use the timer of the TMS320C203 as a time base to generate a voltage ramp
with the TLV5616.
A timer interrupt is generated every 205
μ
s. The corresponding interrupt service routine increments the output
code (stored at 0x0064) for the DAC, adds the DAC control bits to the four most significant bits, and writes the
new code to the TLV5616. The resulting period of the saw waveform is:
π
= 4096
×
205 E-6 s = 0.84 s
;***************************************************************************************
;* Title : Ramp generation with TLV5616 *
;* Version : 1.0 *
;* DSP : TI TMS320C203 *
;*
(1998) Texas Instruments Incorporated *
;***************************************************************************************
;––––––––––– I/O and memory mapped regs ––––––––––––
.include ”regs.asm”
;––––––––––– vectors –––––––––––––––––––––––––––––––
.ps
0h
b
start
b
INT1
b
INT23
b
TIM_ISR
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| TLV5616CD | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12bit DAC w/Pwr D 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 |
| TLV5616CDG4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 2.7-5.5 V Low Power 12-Bit 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 |
| TLV5616CDGK | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 2.7-5.5 V Low Power 12-Bit 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 |
| TLV5616CDGKG4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 2.7-5.5 V Low Power 12-Bit 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 |
| TLV5616CDGKR | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 2.7-5.5 V Low Power 12-Bit 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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