SI3021 datasheet(6/54 Pages) ETC

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Si 30 35

Rev. 1.2

Table 5. AC Characteristics

(VA = Charge Pump, VD = +3.3 V ± 0.3 V, TA = 0 to 70°C for K-Grade)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Sample Rate1

Fs = FPLL2/5120

7.2

—

11.025

kHz

PLL1 Output Clock Frequency

FPLL1

FPLL1 = FMCLK " M1/N1

—

MHz

Transmit Frequency Response

Low –3 dB corner

—

Receive Frequency Response

Low –3 dB corner

—

Transmit Full Scale Level2 (0 dB gain)

VTX

—0.98

—

VPEAK

Receive Full Scale Level 2,3 (0 dB gain)

VRX

—0.98

—

VPEAK

Dynamic Range4

VIN = 1 kHz, –3 dBFS

—

Dynamic Range5

VIN = 1 kHz, –3 dBFS

—

Total Harmonic Distortion6

THD

VIN = 1 kHz, –3 dBFS

—

–84

—

Dynamic Range (call progress AOUT)

DRAO

VIN = 1 kHz

—

THD (call progress AOUT)

THDAO

VIN = 1 kHz

—

1.0

—

AOUT Full Scale Level

—

0.75 VD

—VPP

AOUT Output Impedance

—

Ω

Mute Level (call progress AOUT)

–90

—

Dynamic Range (caller ID mode)

DRCID

VIN = 1 kHz, –13 dBFS

—

Caller ID Full Scale Level (0 dB gain)2

VCID

—0.8

—

VPEAK

Notes:

1. See Figure 23 on page 22.

2. Parameter measured at TIP and RING of Figure 16 on page 15.

3. Receive Full Scale Level will produce – 0.9 dBFS at SDO.

4. DR = 3 dB + 20 log (RMS signal/RMS noise). Applies to both the transmit and receive paths. Measurement bandwidth

is 300 to 3400 Hz. Sample Rate = 9.6 kHz, Loop Current = 40 mA.

5. DR = 3 dB + 20 log (RMS signal/RMS noise). Applies to both the transmit and receive paths. Measurement bandwidth

is 15 to 3400 Hz. Sample Rate = 9.6 kHz, Loop Current = 40 mA.

6. THD = 20 log (RMS distortion/RMS signal). Applies to both the transmit and receive paths.

Sample Rate = 9.6 kHz, Loop Current = 40 mA.

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