SI824XCLASSD-KIT Silicon Laboratories Inc, SI824XCLASSD-KIT Datasheet - Page 17

• Manufacturer Part Number: SI824XCLASSD-KIT
• Description: BOARD EVAL FOR SI824X
• Manufacturer: Silicon Laboratories Inc

Specifications of SI824XCLASSD-KIT

• New! Us2012 Catalog Page: Class-D Audio Driver_Precision Clock ICs
• Board Type: Fully Populated
• Amplifier Type: Class D
• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 120W x 2 @ 8 Ohm
• Utilized Ic / Part: Si824x
• Description/function: Audio Amplifiers
• Operating Supply Voltage: 12 V
• Output Power: 30 W to 1000 W
• Product: Audio Development Tools
• Supply Current: 500 mA
• For Use With/related Products: Si824x
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Operating Temperature: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 336-2002

3.3. Family Overview and Logic Operation During Startup
The Si824x family of isolated drivers consists of high-side, low-side, and dual driver configurations.
3.3.1. Products
Table 9 shows the configuration and functional overview for each product in this family.
3.3.2. Device Behavior
Table 10 contains truth tables for the Si8241/4 families.
*Note: This truth table assumes VDDA and VDDB are powered. If VDDA and VDDB are below UVLO, see
Part Number
PWM Input
Si8241
Si8244
"3.7.2.Undervoltage Lockout" on page 20 for more information.
H
X
X
L
High-Side/Low-Side
High-Side/Low-Side
VDDI State Disable
Unpowered
Powered
Powered
Powered
Configuration
Si8241/4 (PWM Input High-Side/Low-Side) Truth Table
Table 10. Si824x Family Truth Table*
X
H
L
L
Table 9. Si824x Family Overview
UVLO Voltage
VOA
H
L
L
L
8 V/10 V
8 V/10 V
Output
VOB
Rev. 0.2
H
L
L
L
Output transition occurs after internal dead time
expires.
Output transition occurs after internal dead time
expires.
Output returns to input state within 7 µs of VDDI
power restoration.
Device is disabled.
Programmable
Dead Time


Notes
Inputs
PWM
PWM
Si824x
Peak Output
Current (A)
0.5
4.0
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