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MAS9271ATB1

IC FOR 10.00 – 40.00 MHz PXO

Micro Analog Systems Oy 

DA9271.003

23 April 2003

ELECTRICAL CHARACTERISTICS

(recommended operation conditions)

Parameter

Symbol

Min

Typ

Max

Unit

Note

Frequency Range

fo

10.00

40.00

MHz

1)

Output Voltage (10 pF, Vdd 2.7V)

Vout

2.3

Vpp

Output Voltage (10 pF, Vdd 5.0V)

Vout

4.5

Vpp

Rise and Fall Time (10 - 50pF)

10

ns

Output Symmetry

40-60

%

Crystal Load

CG

5.1

11.5

pF

2)

Startup Time

TSTART

2

ms

Negative Resistance in Maximum NegR

85

Ω

Load at 32 MHz

Negative Resistance in Maximum NegR

40

Ω

Load at 40 MHz

Tri State Output Buffer

ON State

OFF State

PD

0

1.6

V

0.55

VDD

Note 1: Rs < 10 Ω crystal provides typically a maximum frequency of 40 MHz and Rs<30 Ω=a maximum

frequency of 32 MHz. With Rs = 50 Ω=crystal the maximum frequency is typically 26 MHz.

Note 2: Crystal Load is at minimum when all CDAC bits are 0s, and at maximum when all CDAC bits are 1s.

IC OUTLINES

CLK DA

OUT

VSS

PV

MAS9271

VDD

X1

Die map reference

X2

PD

1200 µm

Note 1: MAS9271 pads are round with 80 µm diameter at opening.

Note 2: Pins PV, CLK and DA must not be connected in PXO module end-user application.

3 (5)

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