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ADPD4000 Datasheet(PDF) 6 Page - Analog Devices

Part # ADPD4000
Description  Multimodal Sensor Front End
PDF  82 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADPD4000 Datasheet(HTML) 6 Page - Analog Devices

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ADPD4000/ADPD4001
Data Sheet
Rev. A | Page 6 of 82
TIMING SPECIFICATIONS
Table 6. I2C Timing Specifications
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
I2C PORT1
See Figure 2
SCL
Frequency
1
Mbps
Minimum Pulse Width
High
t1
260
ns
Low
t2
500
ns
Start Condition
Hold Time
t3
260
ns
Setup Time
t4
260
ns
SDA Setup Time
t5
50
ns
SCL and SDA
Rise Time
t6
120
ns
Fall Time
t7
120
ns
Stop Condition
Setup Time
t8
260
ns
1
Guaranteed by design.
Table 7. SPI Timing Specifications
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
SPI PORT
SCLK
Frequency
fSCLK
24
MHz
Minimum Pulse Width
High
tSCLKPWH
15
ns
Low
tSCLKPWL
15
ns
CS
Setup Time
t
CSS
CS setup to SCLK rising edge
11
ns
Hold Time
t
CSH
CS hold from SCLK rising edge
5
ns
Pulse Width High
t
CSPWH
CS pulse width high
15
ns
MOSI
Setup Time
tMOSIS
MOSI setup to SCLK rising edge
5
ns
Hold Time
tMOSIH
MOSI hold from SCLK rising edge
5
ns
MISO Output Delay
tMISOD
MISO valid output delay from SCLK falling edge
Register 0x00B4 = 0x0050 (default)
21.0
ns
Register 0x00B4 = 0x005F (maximum slew rate,
maximum drive strength for SPI)
14.0
ns
Table 8. Timing Specifications for Provision of External Low Frequency Oscillator
Parameter
Min
Typ
Max
Unit
FREQUENCY
1 MHz Low Frequency Oscillator
500
2000
kHz
32 kHz Low Frequency Oscillator
10
100
kHz
DUTY CYCLE
1 MHz Low Frequency Oscillator
10
90
%
32 kHz Low Frequency Oscillator
10
90
%



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