SI3232 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SI3232

DUAL PROGRAMMABLE CMOS SLIC WITH LINE MONITORING

Silicon Laboratories 

Si3232

3. Bill of Materials

Component

Value

Function

C1, C2, C11, C12

100 nF, 100 V, X7R, ±20%

Filter capacitors for TIP, RING ac-sensing inputs.

C3, C4, C13, C14

10 nF, 100 V, X7R, ±20%

TIP/RING compensation capacitors.

C5, C6, C15, C16

1 µF, 10 V, X7R, ±20%

Low-pass filter capacitor to stabilize differential and

common mode SLIC feedback loops.

C20–C25

0.1 µF, 10 V, Y5V

Decoupling for analog and digital chip supply pins.

C30–C33

0.1 µF, 100 V, Y5V

Decoupling for battery voltage supply pins.

C41–43*

3.3 nF, 10 V, X7R, ±20%

Reconstruction filter for DAC of BCM3341.

C45–47*

150 nF, 10 V, X7R, ±20%

Anti-aliasing filter for ADC of BCM3341.

R1, R2, R11, R12

402 kΩ, 1/10 W, ±1%

Sense resistors for TIP, RING dc sensing nodes.

R3, R4, R13, R14

R5, R15

4.7 kΩ, 1/10 W, ±5%

806 kΩ, 1/10 W, ±1%

Current limiting resistors for TIP, RING ac-sensing

inputs.

Sense resistor for battery voltage sensing node.

R6, R16

40.2 kΩ, 1/10 W, ±5%

Sets bias current for battery switching logic circuit.

R7, R8, R17, R18

R10

182 Ω, 1/10 W, ±1%

40.2 kΩ, 1/10 W, ±1%

Reference resistors for internal transconductance

amplifier.

Generates a high accuracy reference current.

R40, R41*

20 kΩ, 1/10 W, ±1%

Anti-aliasing filter for ADC of BCM3341.

*Note: These components are only required when used with BCM3341 and other interface-compatible Broadcom products.

18

Preliminary Rev. 0.96

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