Datasheet > DSA1101BA3T

DSA1101BA3T

更新时间： 2022-12-29 19:57:04

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
24页	513K
描述
Low-Jitter Precision CMOS Oscillator for Automotive

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数据手册

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DSA1101BA3T 数据手册

DSA1101/21/05/25

TABLE 1-1:

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Min.

Typ.

Max.

Units Conditions

Supply Voltage (Note 1)

V_DD

2.25

—

3.63

—

DSA1101/05, EN pin low. Output

is disabled and device is in

standby

—

0.095

Supply Current

I_DD

DSA1121/25, EN pin low, output

is disabled

—

EN pin high, output is enabled

C_L= 15 pF, F_O= 100 MHz

Frequency Stability

(Including frequency

variations due to initial

tolerance, temp. and

power supply voltage)

—

±20

±25

Δf

ppm All temp ranges

—

±50

Aging

Δf

—

±5

ppm 1 year @ 25°C

Startup Time (Note 2)

Input Logic Levels

Input Logic High

t_SU

T = 25°C

V_IH

V_IL

t_DS

0.75 x V_DD

—

Input Logic Low

—

0.1 x V_DD

—

Output Disable Time (Note 3)

—

DSA1101/05

DSA1121/25

Output Enable Time

t_EN

—

Enable Pull-Up Resistor

(Note 4)

—

kΩ

Internally pulled-up

CMOS Output

Output Logic Level High

Output Logic Level Low

V_OH

V_OL

0.9 x V_DD

—

I = ±6 mA

0.1 x V_DD

DSA1101/21, 20% to 80%,

C_L= 15 pF

—

1.1

Output Transition Rise Time

t_R

DSA1105/25, 20% to 80%,

C_L= 15 pF

DSA1101/21, 20% to 80%,

C_L= 15 pF

1.3

Output Transition Fall Time

Frequency

t_F

DSA1105/25, 20% to 80%,

C_L= 15 pF

—

4.7

—

2.3

3.3

170

C_L= 15 pF and –40°C to +85°C

f_O

MHz

C_L= 15 pF, –40°C to +105°C

and –40°C to +125°C

—

Output Duty Cycle

Period Jitter

SYM

J_PER

—

ps_RMSF_OUT= 125 MHz

200 kHz to 20 MHz @ 125 MHz

0.3

0.38

1.7

Integrated Phase Noise

J_PH

ps_RMS100 kHz to 20 MHz @ 125 MHz

12 kHz to 20 MHz @ 125 MHz

Note 1: Pin 6 V_DDshould be filtered with 0.1 µF capacitor.

2: t_SUis time to 100 ppm of output frequency after V_DDis applied and outputs are enabled.

3: Output Waveform and Test Circuit figures define the parameters.

4: Output is enabled if pad is floated or not connected.

 2018 Microchip Technology Inc.

DS20005890B-page 3

1 234 5 6 7...24

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