MAX1240BC/D 查看數據表（PDF） - Maxim Integrated

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MAX1240BC/D

+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO

Maxim Integrated 

+2.7V, Low-Power,

12-Bit Serial ADCs in 8-Pin SO

1ST BYTE READ

SCLK

CS

tCONV

DOUT*

D11 D10 D9 D8 D7 D6 D5

D4

MSB

EOC

*WHEN CS IS HIGH, DOUT = HIGH -Z

Figure 12. SPI/MICROWIRE Serial Interface Timing (CPOL = CPHA = 0)

2ND BYTE READ

D3 D2 D1 D0

LSB

HIGH-Z

SCLK

CS

DOUT*

tCONV

D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

MSB

LSB

EOC

*WHEN CS IS HIGH, DOUT = HIGH -Z

Figure 13. QSPI Serial Interface Timing (CPOL = CPHA = 0)

HIGH-Z

SUPPLIES

+3V

+3V GND

R* = 10Ω

4.7µF

0.1µF

VDD

GND

MAX1240

MAX1241

+3V DGND

DIGITAL

CIRCUITRY

*OPTIONAL

Figure 14. Power-Supply Grounding Condition

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