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| 型号： | TLC7628EDW |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS |
| 中文描述： | 双8位乘法数字到模拟转换器 |
| 文件页数： | 5/10页 |
| 文件大小： | 156K |
| 代理商： | TLC7628EDW |
TLC7628C, TLC7628E, TLC7628I
DUAL 8-BIT MULTIPLYING
DIGITAL-TO-ANALOG CONVERTERS
SLAS063A – APRIL 1989 – REVISED MAY 1995
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
These devices are capable of performing 2-quadrant or full 4-quadrant multiplication. Circuit configurations for
2-quadrant and 4-quadrant multiplication are shown in Figures 2 and 3. Input coding for unipolar and bipolar
operation are summarized in Tables 2 and 3, respectively.
17
14
DGND
5
16
15
6
7
VDD
Input
Buffer
Control
Logic
WR
CS
DACB
DACA/
DB7
DBO
VI(B)
±
10 V
R3 (see Note A)
REFB
8
8
8
8
REFA
RFBA
OUTA
AGND
AGND
OUTB
RFBB
C1 (see Note B)
A1
R4 (see Note A)
C2 (see Note B)
AGND
A3
VOA
R2 (see Note A)
R1 (see Note A)
±
10 V
VI(A)
+
–
+
–
VOB
RECOMMENDED TRIM
RESISTOR VALUES
R1, R3
R2, R4
500
150
Latch
DACA
Latch
DACB
NOTES: A. R1, R2, R3, and R4 are used only if gain adjustment is required. See table for recommended values. Make gain adjustment with
digital input of 255.
B. C1 and C2 phase compensation capacitors (10 pF to 15 pF) are required when using high-speed amplifiers to prevent ringing or
oscillation.
Figure 2. Unipolar Operation (2-Quadrant Multiplication)
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| TLC7628EFN | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS |
| TLC7628EN | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS |
| TLC7628I | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS |
| TLC7628IDW | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS |
| TLC7628IFN | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS |
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