參數(shù)資料
型號(hào): 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): 7/17頁
文件大?。?/td> 247K
代理商: TLC7528EFN
TLC7528C, TLC7528E, TLC7528I
DUAL 8-BIT MULTIPLYING
DIGITAL-TO-ANALOG CONVERTERS
SLAS062B – JANUARY 1987 – REVISED MARCH 2000
7
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 3 and 4. Tables 1 and 2 summarize input coding
for unipolar and bipolar operation.
REFB
DGND
VOB
VOA
VI(B)
±
10 V
R3 (see Note A)
R1 (see Note A)
AGND
+
C1
(see Note B)
C2
(see Note B)
R2 (see Note A)
R4 (see Note A)
+
AGND
RFBB
5
VDD
DB0
17
14
7
DACA/DACB
DB7
Input
Buffer
8
8
8
8
RFBA
REFA
Latch
Control
Logic
CS
WR
16
15
6
RECOMMENDED TRIM
RESISTOR VALUES
R1, R3
R2, R4
500
150
DACA
VI(A)
±
10 V
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 3. Unipolar Operation (2-Quadrant Multiplication)
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