SP8544AS 데이터 시트보기 (PDF) - Signal Processing Technologies
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SP8544AS Datasheet PDF : 16 Pages
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SP8542 PIN ASSIGNMENTS
Pin 1-N.C.-No Connection
Pin 2-CH0-Analog Mux Input 0
Pin 3-CH1-Analog Mux Input 1
Pin 4-AGND-Analog Ground
Pin 5-VSS Digital Ground
Pin 6-SCLK-Serial Clock Input
Pin 7-DOUT Digital Data Output
Pin 8-DIN Mux Channel Selection Input
Pin 9-Status
Pin 10-CS-Chip Select Bar Input, High
Deselects chip, Low Selects chip
Pin 11-SD-Shutdown Input, logic low = power
up, logic high = powerdown
Pin 12-VDD Digital +5V supply
Pin 13-VDA Analog +5V supply
Pin 14-OffADJ External Offset Adjust
Pin 15-Refout-Voltage Reference Output
Pin 16-GAINADJ-External Gain Adjustment
SP8544 PIN ASSIGNMENTS
Pin 1-N.C.-No Connection
Pin 2-CH0-Analog Mux Input 0
Pin 3-CH1-Analog Mux Input 1
Pin 4-CH2-Analog Mux Input 2
Pin 5-CH3-Analog Mux Input 3
Pin 6-AGND-Analog Ground
Pin 7-VSS Digital Ground
Pin 8-SCLK-Serial Clock Input
Pin 9-DOUT Digital Data Output
Pin 10-DIN Mux Channel Selection Input
Pin 11-Status
Pin 12-CS-Chip Select Bar Input, High
Deselects chip, Low Selects chip
Pin 13-SD-Shutdown Input, logic low = power
up, logic high = powerdown
Pin 14-VDD Digital +5V supply
Pin 15-VDA Analog +5V supply
Pin 16-OffADJ External Offset Adjust
Pin 17-Refout-Voltage Reference Output
Pin 18-GAINADJ-External Gain Adjustment
N.C. 1
CH0 2
CH1 3
AGND 4
VSS 5
SCLK 6
DOUT 7
DIN 8
16 GAIN ADJUST
15 REF OUT
14 OFFSET ADJ.
13 VDA
SP8542 12 VDD
11 SD
10 CS
9 STATUS
N.C. 1
CH0 2
CH1 3
CH2 4
CH3 5
AGND 6
VSS 7
SCLK 8
DOUT 9
18 GAIN ADJUST
17 REF OUT
16 OFFSET ADJ.
15 VDA
SP8544 14 VDD
13 SD
12 CS
11 STATUS
10 DIN
SP 8542 Channel Selection
Truth Table
MA0
0
1
Channel Selection
CH0
CH1
SP 8544 Channel Selection
Truth Table
MA1
0
0
1
1
MA0
0
1
0
1
Channel Selection
CH0
CH1
CH2
CH3
SP8542/8544DS/01
SP8542/8544 Two and Four Channel 12-Bit Multiplexed Sampling ADC's
5
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