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參數(shù)資料
| 型號： | TLC7226MFKB |
| 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, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁數(shù)： | 21/21頁 |
| 文件大?。?/td> | 440K |
| 代理商： | TLC7226MFKB |
TLC7226C, TLC7226I, TLC7226M
QUADRUPLE 8BIT DIGITALTOANALOG CONVERTERS
SLAS060F JANUARY 1995 REVISED APRIL 2009
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
interface logic information (continued)
17
16
15
A0
A1
WR
To Latch A
To Latch B
To Latch C
To Latch D
Figure 6. Input Control Logic
unipolar output operation
The unipolar output operation is the basic mode of operation for each channel of the TLC7226, with the output
voltages having the same positive polarity as Vref. The TLC7226 can be operated with a single power supply
(VSS = AGND) or with positive/negative power supplies. The voltage at Vref must never be negative with respect
to AGND to prevent parasitic transistor turnon. Connections for the unipolar output operation are shown in
Figure 7. Transfer values are shown in Table 3.
_
+
DAC A
_
+
DAC B
_
+
DAC C
_
+
DAC D
4
REF
2
1
20
19
OUTA
OUTB
OUTC
OUTD
Figure 7. Unipolar Output Circuit
LSB
MSB
DAC LATCH CONTENTS
ANALOG OUTPUT
) V
ref
255
256
1111
) V
ref
129
256
1000
0001
1000
0000
) V
ref
128
256
+)
V
ref
2
0111
1111
) V
ref
127
256
0000
0001
) V
ref
1
256
0000
0 V
NOTE A. 1 LSB
+ V
ref
2–8
+ V
ref
1
256
Table 3. Unipolar Code
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| TLC7226CDWRG4 | PARALLEL, 8 BITS INPUT LOADING, 7 us SETTLING TIME, 8-BIT DAC, PDSO20 |
| TLC7226CNE4 | PARALLEL, 8 BITS INPUT LOADING, 7 us SETTLING TIME, 8-BIT DAC, PDIP20 |
| TLC7226IDWG4 | PARALLEL, 8 BITS INPUT LOADING, 7 us SETTLING TIME, 8-BIT DAC, PDSO20 |
| TLC7226CN | PARALLEL, 8 BITS INPUT LOADING, 7 us SETTLING TIME, 8-BIT DAC, PDIP20 |
| TLC7226IDWRG4 | PARALLEL, 8 BITS INPUT LOADING, 7 us SETTLING TIME, 8-BIT DAC, PDSO20 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLC7226MFKB/SAMPLE | 制造商:Texas Instruments 功能描述:DAC 4-CH R-2R 8BIT 20LCCC - Rail/Tube |
| TLC7524 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS |
| TLC7524C | 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS |
| TLC7524C_08 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS |
| TLC7524CD | 功能描述:數(shù)模轉(zhuǎn)換器- DAC _ 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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