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參數(shù)資料
| 型號： | TLC7528EFN |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS |
| 中文描述： | 雙8位乘法數(shù)字到模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 8/17頁 |
| 文件大小： | 247K |
| 代理商： | TLC7528EFN |
TLC7528C, TLC7528E, TLC7528I
DUAL 8-BIT MULTIPLYING
DIGITAL-TO-ANALOG CONVERTERS
SLAS062B – JANUARY 1987 – REVISED MARCH 2000
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
+
–
A2
R11
5 k
VOA
DACB
R6
20 k
(see Note B)
VOB
+
–
AGND
A1
+
DGND
A4
R3
(see Note A)
R1
(see Note A)
AGND
+
–
C1
(see Note C)
C2
(see Note C)
R2 (see Note A)
R4 (see Note A)
–
AGND
OUTB
RFBB
AGND
OUTA
5
VDD
DB0
17
14
7
DACA/
DACB
DB7
8
8
8
8
REFB
RFBA
DACA
CS
WR
16
15
6
A3
R10
20 k
(see Note B)
Input
R8
20 k
R7
10 k
(see Note B)
R9
10 k
(see Note B)
R11
5 k
R5
20 k
VI(A)
±
10 V
VI(B)
±
10 V
NOTES: A. R1, R2, R3, and R4 are used only if gain adjustment is required. See table in Figure 3 for recommended values. Adjust R1 for
VOA = 0 V with code 10000000 in DACA latch. Adjust R3 for VOB = 0 V with 10000000 in DACB latch.
B. Matching and tracking are essential for resistor pairs R6, R7, R9, and R10.
C. C1 and C2 phase compensation capacitors (10 pF to 15 pF) may be required if A1 and A3 are high-speed amplifiers.
Figure 4. Bipolar Operation (4-Quadrant Operation)
Table 1. Unipolar Binary Code
DAC LATCH CONTENTS
MSB
LSB
Table 2. Bipolar (Offset Binary) Code
DAC LATCH CONTENTS
MSB
LSB
ANALOG OUTPUT
ANALOG OUTPUT
1 1 1 1 1 1 1 1
1 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0
0 1 1 1 1 1 1 1
0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0
1 LSB = (2–8)VI
–VI (255/256)
–VI (129/256)
–VI (128/256) = –Vi/2
–VI (127/256)
–VI (1/256)
–VI (0/256) = 0
1 1 1 1 1 1 1 1
1 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0
0 1 1 1 1 1 1 1
0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0
1 LSB = (2–7)VI
VI (127/128)
VI (1/128)
0 V
–VI (1/128)
–VI (127/128)
–VI (128/128)
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| TLC7528IDWG4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 0.1 us Dual MDAC 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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