參數(shù)資料
型號(hào)： TLV5623C
廠商： Texas Instruments, Inc.
英文描述： 2.7 V TO 5.5 V LOW POWER 8-BIT DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN
中文描述： 2.7 V至5.5 V低功耗8位數(shù)字至模擬與電源降壓轉(zhuǎn)換器
文件頁(yè)數(shù)： 11/18頁(yè)
文件大?。?/td> 242K
代理商： TLV5623C
TLV5623C, TLV5623I
2.7 V TO 5.5 V LOW POWER 8-BIT DIGITAL-TO-ANALOG
CONVERTERS WITH POWER DOWN
SLAS231 – JUNE 1999
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
general function
The TLV5623 is an 8-bit single supply DAC based on a resistor string architecture. The device consists of a serial
interface, speed and power-down control logic, a reference input buffer, a resistor string, and a rail-to-rail output
buffer.
The output voltage (full scale determined by external reference) is given by:
2 REF0x1000[V]
Where REF is the reference voltage and CODE is the digital input value within the range of 0x000 to 0xFF0.
Bits 3 to 0 must be set to zero. A power-on reset initially resets the internal latches to a defined state (all bits
zero).
serial interface
The device has to be enabled with CS set to low. A falling edge of FS starts shifting the data bit-per-bit (starting
with the MSB) to the internal register on the falling edges of SCLK. After 16 bits have been transferred or FS
rises, the content of the shift register is moved to the DAC latch, which updates the voltage output to the new
level.
The serial interface of the TLV5623 can be used in two basic modes:
Four wire (with chip select)
Three wire (without chip select)
Using chip select (four-wire mode), it is possible to have more than one device connected to the serial port of
the data source (DSP or microcontroller). The interface is compatible with the TMS320 family. Figure 15 shows
an example with two TLV5623s connected directly to a TMS320 DSP.
TMS320
DSP
XF0
XF1
FSX
DX
CLKX
TLV5623
CS
FS DIN SCLK
TLV5623
CS
FS DIN SCLK
Figure 15. TMS320 Interface
相關(guān)PDF資料
PDF描述
TLV5623I 2.7 V TO 5.5 V LOW POWER 8-BIT DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN
TLV5624D Ultra Fast Recovery Power Rectifier; Repetitive Reverse Voltage Max, Vrrm:100V; Package/Case:DO-220AA; Forward Current:1A; Forward Voltage:0.90V; Peak Surge Current:50A; Reverse Recovery Time:25ns
TLV5624DGK 2.7 V TO 5.5 V LOW POWER 8-BIT DIGITAL-TO-ANALOG CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
TLV5625D 2.7-V TO 5.5-V LOW-POWER DUAL 8-BIT DIGITAL-TO-ANALOG CONVERTER WITH POWER DOWN
TLV5626D 2.7 V TO 5.5 V LOW POWER DUAL 8-BIT DIGITAL-TO-ANALOG CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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