AK8136A Datasheet, PDF (2/18 Pages) Asahi Kasei Microsystems – Low Power Multiclock Generator with XO

AK8136A
Pin Descriptions
XI
1
GND3
2
VIN
3
GND4
4
CLK2
5
VDD2
6
GND2
7
CLK3
8
CLK4
9
VREF
10
Package: 20-Pin SSOP(Top View)
20
XO
19
VDD3
18
REFOUT
17
VDDI
16
SCL
15
SDA
14
CLK1n
13
CLK1p
12
VDD1
11
GND1
Pin
Pin
No. Name
1
XI
Pin
Type
AIN
Description
Crystal connection, Connect to 27.000MHz crystal
2
GND3
PWR Ground 3
3
VIN
AIN VCXO Control Voltage Input
4
GND4
PWR Ground 4
5
CLK2
Clock output 2, See register description.
DO
In full power down or disable, this pin is “L”.
6
VDD2
PWR Power Supply 2
7
GND2
PWR Ground 2
8
CLK3
DO ^{Clock output 3, See register description}
In full power down or disable, this pin is “L”.
9
CLK4
Clock output 4, Copy of CLK3 See register description
DO
In full power down or disable, this pin is “L”.
10 VREF
AO ^{VREF Pin Connect 1uF capacitor.}
Hi-Z in full power down state.
11
GND1
PWR Ground 1
12
VDD1
PWR Power Supply 1
13 CLK1p
14 CLK1n
DO _{Clock output 1, these are differential pair. See register description}
DO ^{In full power down or disable, these pins are “L”.}
15
SDA
DI/DO Serial data input and output pin. Open drain.
16
SCL
17
VDDI
18 REFOUT
19 VDD3
20
XO
DI
PWR
DO
PWR
AO
Serial interface clock input.
Power supply for serial interface.
1.8V or 3.3V can be used.
Reference Clock Output of VCXO based on 27.000MHz Crystal
In full power down or disable, this pin is “L”.
Power Supply 3
Crystal connection, Connect to 27.000MHz crystal
Ordering Information
Part Number
Marking
AK8136A
8136A
Shipping
Packaging
Tape and Reel
Package
20-pin SSOP
Temperature
Range
-20 to 85℃
Dec-2013
MS1108-E-04
-2-