SI3225-BQ Silicon Laboratories Inc, SI3225-BQ Datasheet - Page 29
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SI3225-BQ
Manufacturer Part Number
SI3225-BQ
Description
IC SLIC/CODEC DUAL-CH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
ProSLIC®r
Specifications of SI3225-BQ
Package / Case
*
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
Includes
Battery Switching, BORSCHT Functions, DTMF Generation and Decoding, FSK Tone Generation, Modem and Fax Tone Detection
Product
SLIC
Supply Voltage (min)
3.13 V
Supply Current
22 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Number Of Channels
2
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI3225-BQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
C1, C2, C11, C12
C3, C4, C13, C14
C5, C6, C15, C16
C30
C20–C25
R1, R2, R11, R12
R5, R15
R3, R4, R13, R14
R6
R7, R8, R17, R18
R9, R19, R20
R10
R21, R22
R23, R25
R24, R26
R27, R28
Notes:
1
1. Optional. Only required when using dual-battery architecture.
2. Example power rating.
3. Required for Si3200 revision E only.
4. R27 and R28 must be populated for each Si3225 in the system.
, R16
1
, C31
Component
1
3
3
4
1
, C32, C33
Table 17. Si3225 + Si3200 External Component Values
100 nF, 100 V, X7R, ±20% Filter capacitors for TIP, RING ac sensing inputs.
10 nF, 100 V, X7R, ±20%
1 µF, 6.3 V, X7R, ±20%
40.2 k Ω , 1/10 W, ±5%
40.2 k Ω , 1/10 W, ±1%
402 k Ω , 1/10 W, ±1%
806 k Ω , 1/10 W, ±1%
806 k Ω , 1/10 W, ±1%
4.7 k Ω , 1/10 W, ±1%
182 Ω , 1/10 W, ±1%
39 k Ω , 1/10 W, ±5%
0.1 µF, 100 V, Y5V
0.1 µF, 10 V, Y5V
0 Ω , 1/10 W, ±5%
15 Ω , 1/8 W, ±5%
510 Ω , 2W, ±2%
Value
2
Rev. 1.3
TIP/RING compensation capacitors.
Low-pass filter capacitors to stabilize differential and com-
mon mode SLIC feedback loops.
Decoupling for battery voltage supply pins.
Decoupling for analog and digital chip supply pins.
Sense resistors for TIP, RING dc sensing nodes.
Sense resistors for battery voltage sensing nodes.
Current limiting resistors for TIP, RING ac sensing inputs.
Sets bias current for battery switching circuit.
Reference resistors for internal transconductance amplifier.
Sense registers for ringing generator feed.
Generates a high accuracy reference current.
Feed resistor for ringing generator source.
Protection against power supply transients.
Protection against power supply transients.
Pulldown resistors.
Si3220/25 Si3200/02
Function
29