Si3050 datasheet(14/128 Pages) SILABS

14 / 128 page

Si3050 + Si3011/18/19

Rev. 1.5

Figure 6. GCI Highway Interface Timing Diagram (2x PCLK Mode)

Table 10. Digital FIR Filter Characteristics—Transmit and Receive

(VD = 3.0 to 3.6 V, Sample Rate = 8kHz, TA = 0 to 70 °C)

Parameter

Symbol

Min

Typ

Max

Unit

Passband (0.1 dB)

F(0.1 dB)

0—

3.3

kHz

Passband (3 dB)

F(3 dB)

0—

3.6

kHz

Passband Ripple Peak-to-Peak

–0.1

—

0.1

Stopband

—

4.4

—

kHz

Stopband Attenuation

–74

—

Group Delay

tgd

—

12/Fs

—

Note: Typical FIR filter characteristics for Fs = 8000 Hz are shown in Figures 7, 8, 9, and 10.

Table 11. Digital IIR Filter Characteristics—Transmit and Receive

(VD = 3.0 to 3.6 V, Sample Rate = 8kHz, TA = 0 to 70 °C)

Parameter

Symbol

Min

Typ

Max

Unit

Passband (3 dB)

F(3 dB)

0—

3.6

kHz

Passband Ripple Peak-to-Peak

–0.2

—

0.2

Stopband

—

4.4

—

kHz

Stopband Attenuation

–40

—

Group Delay

tgd

—

1.6/Fs

—

Note: Typical IIR filter characteristics for Fs = 8000 Hz are shown in Figures 11, 12, 13, and 14. Figures 15 and 16 show

group delay versus input frequency.

PCLK

FSYNC

DRX

DTX

td1

tsu2

th2

th1

tfp

tsu2

td2

td3

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