ADIS16250(Rev0) 데이터 시트보기 (PDF) - Analog Devices
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ADIS16250 Datasheet PDF : 20 Pages
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
ADIS16250
VREF COM COM VCC VCC
SCLK
DOUT
20
1
2
19 18 17
ADIS16250
TOP VIEW
(Not To Scale)
16
15
14
FILT
RATE
DIN
CS
DIO0
3
13
POSITIVE OUTPUT
4
ROTATIONAL
12
DIRECTION
5 DNC = DO NOT CONNECT 11
6 7 8 9 10
AUX
ADC
AUX
DAC
DNC
DIO1 RST DNC DNC DNC
Figure 5. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic Type1
1
SCLK
I
2
DOUT
O
3
DIN
I
4
CS
I
5, 6
DIO0, DIO1 I/O
7
RST
I
8, 9, 10, 11 DNC
–
12
AUX DAC O
13
AUX ADC I
14
RATE
O
15
FILT
I
16, 17
VCC
S
18, 19
COM
S
20
VREF
O
Descriptions
SPI, Serial Clock.
SPI, Data Output.
SPI, Data Input.
SPI, Chip Select, Active Low.
Multifunction Digital Input/Output Pin.
Reset, Active Low. This resets the sensor signal conditioning circuit and initiates a start-up sequence.
Do Not Connect.
Auxiliary DAC Analog Output Voltage.
Auxiliary ADC Analog Input Voltage.
Analog Rate Signal Output (uncalibrated).
Analog Amplifier Summing Junction. This is used for setting the analog bandwidth. See Analog
Bandwidth section for more details.
5.0 V Power Supply.
Common. Reference point for all circuitry in the ADIS16250.
Precision Reference Output.
1 S = supply; O = output; I = input.
RECOMMENDED LAYOUT
9.673 BSC 20×
0.500 BSC 2×
0.973 BSC 4×
Figure 6. Recommended Pad Layout
Rev. 0 | Page 7 of 20
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