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TLC7528IPWG4 Fiches technique(PDF) 7 Page - Texas Instruments |
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TLC7528IPWG4 Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 27 page 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 8 8 8 REFB RFBA REFA Latch Control Logic CS WR 16 15 6 RECOMMENDED TRIM RESISTOR VALUES R1, R3 R2, R4 500 Ω 150 Ω 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) |
Numéro de pièce similaire - TLC7528IPWG4 |
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