SI3000-C View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SI3000-C

VOICEBAND CODEC WITH MICROPHONE/SPEAKER DRIVE

Silicon Laboratories 

Si3000

Table 8. Digital FIR Filter Characteristics—Transmit and Receive

(VA, VD = 5 V ±5% or 3.3 V ±10%, Sample Rate = 8 kHz, TA = 0 to 70°C)

Parameter

Symbol

Min

Typ

Passband (3 dB, HPFD = 1)

Passband (3 dB, HPFD = 0)

F(3 dB)

0

—

F(3 dB)

0.01

—

Passband Ripple Peak-to-Peak

–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 3, 4, 5, and 6.

Max

3.6

3.6

0.1

—

—

—

Unit

kHz

kHz

dB

kHz

dB

sec

Table 9. Digital IIR Filter Characteristics—Transmit and Receive

(VA, VD = 5 V ±5% or 3.3 V ±10%, Sample Rate = 8 kHz, TA = 70°C)

Parameter

Symbol

Min

Typ

Max

Unit

Passband (3 dB, HPFD = 1)

Passband (3 dB, HPFD = 0)

F(3 dB)

0

—

F(3 dB)

0.01

—

3.6

kHz

3.6

kHz

Passband Ripple Peak-to-Peak

–0.2

—

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 7, 8, 9, and 10. Figures 11 and 12 show group

delay versus input frequency.

Rev. 1.4

9

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