AK8131S

Feb-08

MS0688-E-01

- 4 -

The brand name

of AKEMD’s IC’s

DC Characteristics

All specifications at VDD: over 3.0 to 3.6V, Ta:

-20 to +85℃, 27MHz Crystal, unless otherwise noted

Parameter

Symbol

Conditions

MIN

TYP

MAX

Unit

High Level Input Voltage

Pin: S0,S1,S2

0.7VDD

V

Low Level Input Voltage

Pin: S0,S1,S2

0.3VDD

V

Input Current 1

Pin: S0,S1,S2

-20

+10

μA

Input Current 2

PIN: VIN

-3

+3

μA

High Level Output

Voltage

Pin: CLK1-4, REFOUT

0.8VDD

V

Low level Output

Voltage

Pin: CLK1-4, REFOUT

0.2VDD

V

Current Consumption

No load

Clock out selection by note

(1)

Ta=25℃

16.5

mA

(1) Pin setting for output clock selection: [S2:S0] = HHL

AC Characteristics

All specifications at VDD: over 3.0 to 3.6V, Ta: over -20 to +85℃, 27MHz Crystal, unless otherwise noted

(1) Measured with load capacitance of 15pF

(2) Measured with load capacitance of 25pF

(3) Pullable range depends on crystal characteristics, on-chip load capacitance, and stray capacity of PCB.

Min. ±110ppm is applied to AKEMD’s authorized test condition.

(4)

±3

σ in 1000 sampling or more

(5)

±3

σ in 5000 sampling or more

Parameter

Symbol

Conditions

MIN

TYP

MAX

Unit

Crystal Clock Frequency

27.0000

MHz

VCXO Pullable Range

(3)

VIN at over 0 to VDD V

±100

Ppm

VCXO Gain

VIN range at 1.5V±1.0V

130

Ppm/

V

Period Jitter

(4)

CLK1-4

150

Ps

CLK1 at 74.250MHz

1000 cycle delay

0.85

ns

CLK3 at 54.000MHz

1000 cycle delay

0.5

ns

Long Term Jitter

(5)

REFOUT at 27.000MHz

1000 cycle delay

160

Ps

Pin: CLK1-3

(1)

Except 27.000MHz

45

50

55

%

Output Clock Duty

Cycle

Pin: CLK3-4,REFOUT

(2)

27.000MHz

40

50

60

%

Pin: CLK1-4

(1)

1.5

ns

Output Clock Rise Time

Pin: REFOUT

(2 )

2.5

ns

Pin: CLK1-4

(1)

1.5

ns

Output Clock Fall Time

Pin: REFOUT

(2 )

2.5

ns

Power-up Time

Pin: CLK1-4

(1)

5

ms

Output Transition Time

(6)

Pin: CLK1 at

74.25 or 74.175MHz

200

µs