Idle Channel Noise
參數(shù)資料
型號： SI3216MPPTX-EVB
廠商： Silicon Laboratories Inc
文件頁數(shù)： 2/122頁
文件大小： 0K
描述： BOARD EVAL W/DISCRETE INTERFACE
標準包裝： 1
Si3216
10
Rev. 1.0
Not
Recommended
fo
r N
ew
D
esi
gn
s
Noise Performance—Narrowband Audio Mode
Idle Channel Noise4
C-Message Weighted
—
15
dBrnC
Psophometric Weighted
—
–75
dBmP
3kHz flat
—
18
dBrn
PSRR from VDDA
RX and TX, DC to 3.4 kHz
40
—
dB
PSRR from VDDD
RX and TX, DC to 3.4 kHz
40
—
dB
PSRR from VBAT
RX and TX, DC to 3.4 kHz
40
—
dB
Longitudinal Performance—Narrowband Audio Mode
Longitudinal to Metallic or PCM
Balance
200Hz–3.4kHz,
Q1,Q2
150, 1% mismatch
—60
—
dB
Q1,Q2 60 to 240
5
—60
—
dB
Q1,Q2 300 to 800
5
—60
—
dB
Using Si3201
—
60
—
dB
Metallic to Longitudinal Balance
200 Hz–3.4 kHz
40
—
dB
Longitudinal Impedance
200 Hz–3.4 kHz
at TIP or RING
Register selectable
ETBO/ETBA
00
01
10
—
33
17
—
Longitudinal Current per Pin
Active off-hook
200 Hz–3.4 kHz
Register selectable
ETBO/ETBA
00
01
10
—
4
8
—
mA
Table 4. AC Characteristics—Narrowband Audio Mode (Continued)
(VDDA, VDDD = 3.13 to 5.25 V, TA = 0 to 70 °C for K-Grade, –40 to 85 °C for B-Grade)
Parameter
Test Condition
Min
Typ
Max
Unit
Notes:
1. The input signal level should be 0 dBm0 for frequencies greater than 100 Hz. For 100 Hz and below, the level should be
–10 dBm0. The output signal magnitude at any other frequency will be smaller than the maximum value specified.
2. Analog signal measured as VTIP – VRING. Assumes ideal line impedance matching.
3. The quantization errors inherent in the /A-law companding process can generate slightly worse gain tracking performance
in the signal range of 3 dB to –37 dB for signal frequencies that are integer divisors of the 8 kHz PCM sampling rate.
4. The level of any unwanted tones within the bandwidth of 0 to 4 kHz does not exceed –55 dBm.
5. Assumes normal distribution of betas.
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