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Clock Generator. AK8126 Datasheet

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Clock Generator. AK8126 Datasheet






AK8126 Generator. Datasheet pdf. Equivalent




AK8126 Generator. Datasheet pdf. Equivalent





Part

AK8126

Description

Spread Spectrum Clock Generator



Feature


www.DataSheet4U.com ASAHI KASEI EMD COR PORATION Spread Spectrum Clock Generat or AK8126 Features Output Frequency Ran ge: 16MHz – 128MHz Configurable Sprea d Spectrum Modulation: - Description T he AK8126 is a spread spectrum clock ge nerator designed for Home AV applicatio ns where EMI elimination is seriously r equired. The device uses the AKEMD’s original spread spectr.
Manufacture

Asahi Kasei Microsystems

Datasheet
Download AK8126 Datasheet


Asahi Kasei Microsystems AK8126

AK8126; um profile** to provide excellent EMI re duction effect without degradation of s ystem performance. The AK8126 accepts a wide clock frequency range from a crys tal or reference clock input, and provi des a variable spread spectrum modulati on selectable by pin-setting, allowing the device to use in most AV products e asily. The device is available in a ver y small 10-pin TMS.


Asahi Kasei Microsystems AK8126

OP package, and its pin configuration of fers simple PCB layout. AKEMD’s Orig inal Spread Spectrum Profile Modulation Ratio: Center Spread: ±0.25%, ±0.5%, ±1.0%, ±1.5% Down Spread: -0.5%, -1. 0%, -2.0%, -3.0% - Modulation Frequen cy: 38.46KHz – 76.92KHz Input Freque ncy Range: - Crystal: 16MHz – 32MHz - Reference Clock Input : 16MHz – 128M Hz **: Patent pending Low Ji.


Asahi Kasei Microsystems AK8126

tter Performance: 100 ps (Max.) Cycle-to -cycle 1s Applications Digital TV Sets Display Panels Personal Video Recorder s Set-Top-Boxes Multi Media Receivers Low Current Consumption: 2.5mA (Typ.) a t 16MHz, 3.3V Supply Voltage: 3.0 – 3 .6V Operating Temperature Range: -10 to +85! Package: 10-pin TMSOP (Thin Minia ture SOP ) Block Diagram Crystal or Cl ock Input XIN C1 * .

Part

AK8126

Description

Spread Spectrum Clock Generator



Feature


www.DataSheet4U.com ASAHI KASEI EMD COR PORATION Spread Spectrum Clock Generat or AK8126 Features Output Frequency Ran ge: 16MHz – 128MHz Configurable Sprea d Spectrum Modulation: - Description T he AK8126 is a spread spectrum clock ge nerator designed for Home AV applicatio ns where EMI elimination is seriously r equired. The device uses the AKEMD’s original spread spectr.
Manufacture

Asahi Kasei Microsystems

Datasheet
Download AK8126 Datasheet




 AK8126
ASAHI KASEI EMD CORPORATION
www.DataSheet4U.com
Spread Spectrum
Clock Generator
AK8126
Features
Output Frequency Range:
16MHz – 128MHz
Configurable Spread Spectrum Modulation:
- AKEMD’s Original Spread Spectrum
Profile
- Modulation Ratio:
Center Spread:
±0.25%, ±0.5%, ±1.0%, ±1.5%
Down Spread:
-0.5%, -1.0%, -2.0%, -3.0%
- Modulation Frequency:
38.46KHz – 76.92KHz
Input Frequency Range:
- Crystal: 16MHz – 32MHz
- Reference Clock Input : 16MHz – 128MHz
Low Jitter Performance:
100 ps (Max.) Cycle-to-cycle 1s
Low Current Consumption:
2.5mA (Typ.) at 16MHz, 3.3V
Supply Voltage:
3.0 – 3.6V
Operating Temperature Range:
-10 to +85
Package:
10-pin TMSOP (Thin Miniature SOP )
Description
The AK8126 is a spread spectrum clock generator
designed for Home AV applications where EMI
elimination is seriously required. The device uses
the AKEMD’s original spread spectrum profile** to
provide excellent EMI reduction effect without
degradation of system performance. The AK8126
accepts a wide clock frequency range from a
crystal or reference clock input, and provides a
variable spread spectrum modulation selectable by
pin-setting, allowing the device to use in most AV
products easily. The device is available in a very
small 10-pin TMSOP package, and its pin
configuration offers simple PCB layout.
**: Patent pending
Applications
Digital TV Sets
Display Panels
Personal Video Recorders
Set-Top-Boxes
Multi Media Receivers
Block Diagram
Crystal or
Clock Input XIN
C1
*C2 XOUT
* Capacitors, C1
and C2 are
required for
Crystal input.
S1
S0
C/D/OFF
FR1
FR0
Crystal
Oscillator
PLL
with Spread
Spectrum
modulator
Control
Logic
CKOUT
VSS
VDD
AK8126 Spread Spectrum Clock Generator
MS0548-E-01
-1-
Nov-07




 AK8126
AK8126
www.DataSheet4U.com
Pin Descriptions
XIN
XOUT
VSS
S1
S0
1
2
3
4
5
10
9
8
7
6
C/D/OFF
FR1
FR0
VDD
CKOUT
The brand name
of AKEMD’s IC’s
Package: 10-Pin TMSOP (Top View)
Pin Pin
Pin
No. Name Type
Description
1 XIN IN Crystal Input or Reference Clock Input
2 XOUT OUT Crystal Output. Leave this pin floating when the external clock is used.
3 VSS
-- Ground
4 S1 IN Spread Spectrum Modulation Ratio Select Pin1
5 S0 IN Spread Spectrum Modulation Ratio Select Pin0
6 CKOUT OUT Clock Output
7 VDD
-- Power Supply
8 FR0 IN Clock Frequency Range Select Pin 0
9 FR1 IN Clock Frequency Range Select Pin 1
10 C/D/OFF IN Spread Spectrum Modulation Mode Select Pin
(1) Internal pull down 360kW (Typ.)
(2) Internal pull up 360kW (Typ.)
(3) 3-Level Input for Low/Mid/Hi. Biased at 1/2 of VDD with pull-up/down resistors of 360kW (Typ.).
(1)
(1)
(2)
(1)
(3)
Ordering Information
Part Number
Marking
AK8126
8126
Shipping Packaging
Tape and Reel
Package
10-pin TMSOP
Temperature
Range
-10 to 85
Nov-07
MS0548-E-01
-2-




 AK8126
The brand name
of AKEMD’s IC’s
www.DataSheet4U.com
AK8126
Absolute Maximum Rating
Over operating free-air temperature range unless otherwise noted (1)
Items
Symbol
Ratings
Unit
Supply Voltage
VDD
-0.3 to 4.6
V
Input Voltage
Vin VSS-0.3 to VDD+0.3 V
Input Current (any pins except supplies)
Storage Temperature
IIN
Tstg
±10
-55 to 130
mA
°C
Note
(1) Stress beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.
These are stress ratings only. Functional operation of the device at these or any other conditions beyond those
indicated under “Recommended Operating Conditions” is not implied. Exposure to absolute-maximum-rating
conditions for extended periods may affect device reliability. Electrical parameters are guaranteed only over the
recommended operating temperature range.
ESD Sensitive Device
This device is manufactured on a CMOS process, therefore, generically susceptible to
damage by excessive static voltage. Failure to observe proper handling and
installation procedures can cause damage. AKEMD recommends that this device is handled with
appropriate precautions.
Recommended Operation Conditions
Parameter
Symbol
Conditions
Min Typ Max Unit
Operating Temperature
Ta
-10 85 °C
Supply Voltage
VDD
3.0 3.3 3.6 V
Input Clock Frequency (1)
Fin 1
Fin 2
Crystal
External Reference Clock Input
16 24 32 MHz
16 128 MHz
Output Frequency 16 – 67MHz
15 pF
Output Load Capacitance
Cp1 Output Frequency 67 –100MHz
10 pF
Output Frequency 100 – 128MHz
8 pF
Note:
(1) Frequency range to operate is required to select by pin-setting of S0 (Pin 5) and S1 (Pin 4). See Table
for the frequency range selection.
MS0548-E-01
-3-
Nov-07



Recommended third-party AK8126 Datasheet






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