SI3225-G-GQ Silicon Laboratories Inc, SI3225-G-GQ Datasheet - Page 11

• Manufacturer Part Number: SI3225-G-GQ
• Description: IC PROSLIC/CODEC DUAL 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: ProSLIC®r

Specifications of SI3225-G-GQ

• Function: Subscriber Line Interface Concept (SLIC), CODEC
• Interface: GCI, PCM, SPI
• Number Of Circuits: 2
• Voltage - Supply: 3.3V, 5V
• Current - Supply: 65mA
• Power (watts): 941mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP, 64-VQFP
• Includes: Battery Switching, BORSCHT Functions, DTMF Generation and Decoding, FSK Tone Generation, Modem and Fax Tone Detection
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 5. AC Characteristics
(V
Parameter
Overload Level
Overload Compression
Single Frequency Distortion
Signal-to-(Noise + Distortion)
Ratio
Audio Tone Generator Signal-to-
Distortion Ratio
Intermodulation Distortion
Gain Accuracy
Attenuation Distortion vs. Freq.
Group Delay vs. Frequency
Gain Tracking
Round-Trip Group Delay
Crosstalk between Channels
TX or RX to TX
TX or RX to RX
Gain Step Increment
2-Wire Return Loss
Transhybrid Balance
Notes:
DD
1. The input signal level should be 0 dBm0 for frequencies greater than 100 Hz. For 100 Hz and below, the level should
2. Analog signal measured as V
3. The quantization errors inherent in the µ/A-law companding process can generate slightly worse gain tracking
4. The digital gain block is a linear multiplier that is programmable from –∞ to +6 dB. The step size in dB varies over the
5. V
6. The level of any unwanted tones within the bandwidth of 0 to 4 kHz does not exceed –55 dBm.
7. The OBIAS and ABIAS registers program the dc bias current through the SLIC in the on-hook transmission and off-
, V
2
DD1
be –10 dBm0. The output signal magnitude at any other frequency will be smaller than the maximum value specified.
performance in the signal range of 3 to –37 dB for signal frequencies that are integer divisors of the 8 kHz PCM
sampling rate.
complete range. See "3.25. Audio Path Processing" on page 70.
coefficients.
hook active conditions, respectively. This per-pin total current setting should be selected so it can accommodate the
sum of the metallic and longitudinal currents through each of the TIP and RING leads for a given application.
DD1
– V
– V
DD4
3
DD4
2
2
=
=
3.13 to 5.25 V, T
5
3.3 V, V
4
5
BAT
1
=
TIP
–52 V, no fuse resistors, R
A
= 0 to 70 °C for K/F-Grade, –40 to 85 °C for B/G-Grade)
– V
Active off-hook, and OHT, any Z
2-Wire to PCM or PCM to 2-Wire
2-Wire – PCM or PCM – 2-Wire:
1014 Hz, Within same time-slot
0 dBm0, Active off-hook, and
RING
1014 Hz, Any gain setting
reference level –10 dBm
PCM – 2-Wire – PCM:
Step size around 0 dB
. Assumes ideal line impedance matching.
1014 Hz sine wave,
16-bit Linear mode
200 Hz to 3.4 kHz
200 Hz – 3.4 kHz,
200 Hz to 3.4 kHz
300 Hz to 3.4 kHz
300 Hz to 3.4 kHz
200 Hz to 3.4 kHz
300 Hz to 3.4 kHz
–37 dB to –50 dB
–50 dB to –60 dB
D/A or A/D 8-bit
Test Condition
TX/RX Performance
3 dB to –37 dB
2-Wire – PCM
OHT, any Z
Signal level:
0 dBm 0
0 dBm0,
Rev. 1.3
L
=
T
600 Ω, Z
Si3220/25 Si3200/02
S
T
=
600 Ω synthesized using RS register
Figure 7,8
Figure 6
Figure 5
Figure 9
–0.25
Min
2.5
46
26
34
—
—
—
—
—
—
—
—
—
—
—
±0.0005
–108
–108
Typ
–85
–87
600
30
40
—
—
—
—
—
—
—
—
—
—
—
—
± 0.25
+0.25
± 0.5
± 1.0
Max
–65
–65
–41
700
–75
–75
—
—
—
—
—
—
—
—
—
—
Unit
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
µs
—
—
—
PK
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