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參數(shù)資料
| 型號： | TLC7226IN |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, 8 BITS INPUT LOADING, 7 us SETTLING TIME, 8-BIT DAC, PDIP20 |
| 封裝： | 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-20 |
| 文件頁數(shù)： | 20/21頁 |
| 文件大小： | 440K |
| 代理商： | TLC7226IN |
TLC7226C, TLC7226I, TLC7226M
QUADRUPLE 8BIT DIGITALTOANALOG CONVERTERS
SLAS060F JANUARY 1995 REVISED APRIL 2009
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
AGND bias for positive output offset (continued)
_
+
DAC A
AGND
DGND
TLC7226
Vref
OUTA
4
18
2
6
3
VDD
5
VSS
VI
Vbias
Digital inputs omitted for clarity.
Figure 5. AGND Bias Circuit
interface logic information
Address lines A0 and A1 select which DAC accepts data from the input port. Table 2 shows the operations of
the four DACs. Figure 6 shows the input control logic. When the WR signal is low, the input latches of the
selected DAC are transparent and the output responds to activity on the data bus. The data is latched into the
addressed DAC latch on the rising edge of WR. While WR is high, the analog outputs remain at the value
corresponding to the data held in their respective latches.
Table 2. Function Table
CONTROL INPUTS
OPERATION
WR
A1
A0
OPERATION
H
L
↑
L
↑
L
↑
L
↑
X
L
H
X
L
H
L
H
No operation
Device not selected
DAC A transparent
DAC A latched
DAC B transparent
DAC B latched
DAC C transparent
DAC C latched
DAC D transparent
DAC D latched
L = low,
H = high,
X = irrelevant
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TLC7226IN | 制造商:Texas Instruments 功能描述:SEMICONDUCTOR ((NW)) |
| TLC7226INE4 | 功能描述:數(shù)模轉換器- DAC Quad Parallel-In Sngl/Dual Sply RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| TLC7226M | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS |
| TLC7226MFKB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS |
| TLC7226MFKB/SAMPLE | 制造商:Texas Instruments 功能描述:DAC 4-CH R-2R 8BIT 20LCCC - Rail/Tube |
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