參數(shù)資料
型號： TLC7528CFNRG3
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： PARALLEL, 8 BITS INPUT LOADING, 0.1 us SETTLING TIME, 8-BIT DAC, PQCC20
封裝： GREEN, PLASTIC, LCC-20
文件頁數(shù)： 23/25頁
文件大?。?/td> 631K
代理商： TLC7528CFNRG3
TLC7528C, TLC7528E, TLC7528I
DUAL 8BIT MULTIPLYING
DIGITALTOANALOG CONVERTERS
SLAS062E JANUARY 1987 REVISED NOVEMBER 2008
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 Figure 3 and Figure 4. Table 1 and Table 2 summarize
input coding for unipolar and bipolar operation, respectively.
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
OUTB
RFBB
AGND
OUTA
5
VDD
17
7
14
DACA / DACB
DB0
DB7
Input
Buffer
8
REFB
RFBA
REFA
Latch
Control
Logic
CS
WR
16
15
6
RECOMMENDED TRIM
RESISTOR VALUES
R1, R3
R2, R4
500
150
DACA
DACB
Latch
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 (10pF to 15pF) are required when using high-speed amplifiers to prevent ringing or
oscillation.
Figure 3. Unipolar Operation (2-Quadrant Multiplication)
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