NE5020 データシートの表示（PDF） - Philips Electronics

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NE5020

10-Bit μP-compatible D/A converter

Philips Electronics 

Philips Semiconductors Linear Products

10-Bit µP-compatible D/A converter

Product specification

NE5020

B0

DATA BUS

B6

B7

LE2

LE1

DB 9 8 7 6 5 4 3 2 1 0

MSB

LSB

LATCHES

LATCHES

DAC

OUTPUT

Figure 11. NE5020 µP Interface 8-Bit Data Bus Example

8-BIT DATA BUS

+5V

1

2

4

10

74LS74

13

12

3 11

59

LE PRE-LOAD

INVERTER

LE LOAD

11 10 9 8 7 6 5 4 3 2

MSB

LSB

12

20

13

NE5020

Figure 12. Pre-loading the 2 MSBs to Provide a Single-Step Output

August 31, 1994

764

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