Datasheet > M685-01-BR-BR

M685-01-BR-BR

更新时间： 2023-01-02 23:26:22

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艾迪悌 - IDT		/
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7页	114K
描述
SAW Oscillator

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M685-01-BR-BR 数据手册

M685

UAL SAW, SELECTABLE

REQUENCY VCSO

P r e l i m i n a r y I n f o r m a t i o n

LECTRICAL

SPECIFICATIONS FOR M685-02

DC Characteristics for M685-02

Unless stated otherwise, V_CC= 3.3 Volts + 10%, T_A= 0 to 85 ^oC, VCSO Freq.’s = 622.08, 669.3266MHz, Outputs terminated into 180

Ω to ground

Symbol Parameter

Power Supply V_CCPositive Supply Voltage

Min

2.97

Typ

3.3

Max

3.63

Unit

VCC

VIN

125

3.3

I_CC

V_IN

Power Supply Current

Input Control Voltage Range

V_INInput Impedence

Input High Voltage

Control

Voltage

100

kΩ

Frequency

V_IH

V_IL

V + 0.3

Select

0.8

Input Low Voltage

-0.3

I_IH

I_IL

Input High Current

µA

kΩ

F_SEL

Input Low Current

-150

Internal Pull-down Resistor

pulldown

Differential

Outputs

V_OH

V_OL

V_P

Output High Voltage

Output Low Voltage

Peak to Peak Output Voltage

Output Current

0.98

1.95

0.75

1.63

FOUT, nFOUT

0.450

0.625

0.85

V_P

-P

I_OUT

Table 7: DC Characteristics for M685-02

Note 1: Internally pulled down to Logic 0 (Frequency 1) if left unselected.

Note 2: Single-ended measurement. See Figure 3, Output Rise and Fall Time, on pg. 5.

AC Characteristics for M685-02

Unless stated otherwise, V_CC= 3.3 Volts + 10%, T_A= 0 to 85 ^oC, VCSO Freq.’s = 622.08, 669.3266MHz, Outputs terminated into 180

Ω to ground

Symbol Parameter

Control Voltage V_INModulation Bandwidth

Min

Typ

600

Max

Unit Notes

kHz

VIN

Output Center Frequency Range M685-02

500

708

Output

F_OUT

APR

MHz

ppm

Absolute (Guaranteed) Pull-Range

±120

100

f_STAB

L_IN

Frequency Stability

Tuning Linearity

ppm p-p At any givin V_IN

V_IN

= 0.3 to 3.0V

Best fit straight line

V_IN

0.3 to 3.0

622.08MHz

400

-77

K_VCO

VCO Gain

ppm/V

-50

Non-harmonic Spurious

dBc

100Hz Offset

1kHz Offset

-42

-72

Φ n

SSB (single sideband)

Phase Noise, offset

from carrier

dBc/Hz

ps rms

10kHz Offset

100kHz Offset

1MHz Offset

-102

-127

-146

0.22

0.16

622.08MHz

12kHz to 20MHz

50kHz to 80MHz

J(t)

Jitter (rms)

622.08MHz

odc

t_R

Output Duty Cycle

275

400

Output Rise Time for FOUT, nFOUT

20% to 80

t_F

Output Fall Time for FOUT, nFOUT

20% to 80

Table 8: AC Characteristics for M685-02

Note 1: Also fully meets ±50 ppm minimum pull-range specification that is commonly required.

Note 2: See Parameter Measurement Information on pg. 5.

M685 Datasheet Rev 0.7

4 of 7

Revised 29Jul2009

Integrated Device Technology, Inc. ● Communication Modules ● www.idt.com ● tel (508) 852-5400

1 2 345 6 7

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