SI3038 查看數據表（PDF） - Silicon Laboratories

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SI3038

GLOBAL MC’97 SILICON DAA

Silicon Laboratories 

Si3038

Table 14. Digital FIR Filter Characteristics—Transmit and Receive

(VD = 3.0 to 3.6 V, VA = Charge Pump, Sample Rate = 8 kHz, TA = 70°C)

Parameter

Symbol

Min

Typ

Passband (0.1 dB)

Passband (3 dB)

Passband Ripple Peak-to-Peak

F(0.1 dB)

0

—

F(3 dB)

0

—

–0.1

—

Stopband

—

4.4

Stopband Attenuation

–74

—

Group Delay

tgd

—

12/Fs

Note: Typical FIR filter characteristics for Fs = 8000 Hz are shown in Figures 9, 10, 11, and 12.

Max

3.3

3.6

0.1

—

—

—

Unit

kHz

kHz

dB

kHz

dB

sec

Table 15. Digital IIR Filter Characteristics—Transmit and Receive

(VD = 3.0 to 3.6 V, VA = Charge Pump, Sample Rate = 8 kHz, TA = 70°C)

Parameter

Symbol

Min

Typ

Max

Unit

Passband (3 dB)

Passband Ripple Peak-to-Peak

F(3 dB)

0

—

–0.2

—

3.6

kHz

0.2

dB

Stopband

—

4.4

—

kHz

Stopband Attenuation

–40

—

—

dB

Group Delay

tgd

—

1.6/Fs

—

sec

Note: Typical IIR filter characteristics for Fs = 8000 Hz are shown in Figures 13, 14, 15, and 16. Figures 17 and 18 show

group delay versus input frequency.

12

Rev. 2.01

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