參數(shù)資料
型號(hào): TLC7528IPW
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): DAC
英文描述: PARALLEL, 8 BITS INPUT LOADING, 0.1 us SETTLING TIME, 8-BIT DAC, PDSO20
封裝: GREEN, PLASTIC, TSSOP-20
文件頁(yè)數(shù): 6/25頁(yè)
文件大?。?/td> 631K
代理商: TLC7528IPW
TLC7528C, TLC7528E, TLC7528I
DUAL 8BIT MULTIPLYING
DIGITALTOANALOG CONVERTERS
SLAS062E JANUARY 1987 REVISED NOVEMBER 2008
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
voltage-mode operation
It is possible to operate the current multiplying D/A converter of these devices in a voltage mode. In the voltage
mode, a fixed voltage is placed on the current output terminal. The analog output voltage is then available at
the reference voltage terminal. Figure 11 is an example of a current multiplying D/A that operates in the voltage
mode.
2R
“0”
“1”
2R
RR
R
Out (Fixed Input Voltage)
AGND
REF
(Analog Output Voltage)
Figure 11. Voltage-Mode Operation
The following equation shows the relationship between the fixed input voltage and the analog output voltage:
VO = VI (D/256)
Where:
VO = analog output voltage
VI = fixed input voltage (must not be forced below 0V.)
D = digital input code converted to decimal
In voltage-mode operation, these devices meet the following specification:
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
Linearity error at REFA or REFB
VDD = 5V,
OUTA or OUTB at 2.5V,
TA = +25°C
1
LSB
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TLC7628C 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS