ADIS16136/PCBZ AD [Analog Devices], ADIS16136/PCBZ Datasheet - Page 18

• Manufacturer Part Number: ADIS16136/PCBZ
• Manufacturer: AD [Analog Devices]

APPLICATIONS INFORMATION
POWER SUPPLY CONSIDERATIONS
The
and GND pins. This capacitance presents low input impedance
for power supplies that have fast rise times. The internal power
regulator waits for a valid input supply voltage, and then goes
through a start-up process that draws an elevated current
(~400 mA) for approximately 1.5 ms. This transient current
occurs approximately 125 ms after VDD reaches a valid level.
This regulation circuit also provides a constant power load,
which results in a load that has a negative dynamic resistance.
Figure 21 provides a graphical relationship between the supply
current and voltage for systems that need to account for this
type of load when designing supply feedback loops.
PROTOTYPE INTERFACE BOARD
The ADIS16136/PCBZ includes one ADIS16136AMLZ, one
interface PCB, and four M2 × 18 machine screws. The interface
PCB provides larger connectors than the ADIS16136AMLZ for
simpler prototyping, four tapped M2 holes for attachment of the
ADIS16136AMLZ, and four holes (machine screw size M2.5 or
No. 4) for mounting the ADIS16136AMLZ to a solid structure.
J1 and J2 are dual row, 2 mm (pitch) connectors that work with
a number of ribbon cable systems, including 3M Part Number
152212-0100-GB (ribbon crimp connector) and 3M Part Number
3625/12 (ribbon cable).
ADIS16136
ADIS16136
125
120
105
115
110
4.75
4.80
Figure 21. Supply Current vs Supply Voltage
includes 12 µF of capacitance across the VDD
4.85
4.90
SUPPLY VOLTAGE (V)
4.95
5.00
5.05
5.10
5.15
5.20
–40˚C
+25˚C
+85˚C
5.25
Rev. A | Page 18 of 20
Figure 22 provides the top level view of the interface board.
Install the ADIS16136AMLZ onto this board using the silk
pattern as an orientation guide. Figure 23 provides the pin
assignments for J1 and J2. The pin descriptions match those
listed in Table 5. The
capacitors for normal operation; therefore, the interface printed
circuit board (PCB) does not use the C1 and C2 pads.
Figure 22. Physical Diagram for the ADIS16136/PCBZ
Figure 23. J1 Pin Assignments
DIO1
DIO3
GND
GND
VDD
RST
CS1
CS2
ADIS16136
11
13
15
1
3
5
7
9
does not require external
10
12
14
16
2
4
6
8
MOUNTING
ADIS16136
SCLK
DOUT
DIN
GND
VDD
DIO2
DIO4
VDD
i
HOLES
Sensor
Data Sheet