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SI8241CB-B-IS1R

Description
音频 线路驱动器 2 通道 16-SOIC
Categorysemiconductor    Audio IC   
File Size2MB,30 Pages
ManufacturerSkyworks
Websitehttp://www.skyworksinc.com
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SI8241CB-B-IS1R Overview

音频 线路驱动器 2 通道 16-SOIC

SI8241CB-B-IS1R Parametric

Parameter NameAttribute value
category
MakerSkyworks
series-
PackageTape and Reel (TR)
Functionline driver
applicationPreamplifier
Number of channels2
interfacesimulation
Voltage - Power supply4.5V ~ 5.5V
Operating temperature-40°C ~ 125°C(TA)
SpecificationClass D
Installation typesurface mount type
Package/casing16-SOIC (0.154", 3.90mm wide)
Supplier device packaging16-SOIC
Basic product numberSI824
Si 824x
C
LASS
D A
UDI O
D
RI VER
Features
WI TH
P
RECI SI ON
D
EAD
- T
IME
G
ENERATOR
0.5 A peak output (Si8241)
4.0 A peak output (Si8244)
PWM input
High-precision linear programmable
dead-time generator

0.4 ns to 1 µs
High latchup immunity >100 V/ns
Up to 1500 Vrms output-output
isolation, supply voltage of ±750 V
Input to output isolation for low noise
(up to 2500 V)
Up to 8 MHz operation
Wide operating range

–40 to +125 °C
Transient immunity >45 kV/µs
RoHS-compliant

SOIC-16 narrow body
Applications
Class D audio amplifiers
Ordering Information:
See page 27
Pin Assignments
Description
The Si824x isolated driver family combines two isolated drivers in a single
package. The Si8241/44 are high-side/low-side drivers specifically targeted at
high-power (>30 W) audio applications. Versions with peak output currents of
0.5 A (Si8241) and 4.0 A (Si8244) are available. All drivers operate with a
maximum supply voltage of 24 V.
Based on proprietary isolation technology, the Si824x audio drivers incorporate
input-to-output and output-to-output isolation, which enables level-translation of
signals without additional external circuits as well as use of bipolar supply voltage
up to ±750 V. The Si824x audio drivers feature an integrated dead-time generator
that provides highly precise control for achieving optimal THD. These products
also have overlap protection that safeguards against shoot-through current
damage. The CMOS-based design also provides robust immunity from latch-up
and high-voltage transients. The extremely low propagation delays enable faster
modulation frequencies for an enhanced audio experience. The TTL level
compatible inputs with >400 mV hysteresis are available in PWM input
configuration; other options include UVLO levels of 8 V or 10 V. These products
are available in narrow body SOIC packages.
SOIC-16 (Narrow)
PWM
NC
VDDI
GNDI
DISABLE
DT
NC
VDDI
1
2
3
4
5
6
7
8
16
15
14
VDDA
VOA
GNDA
NC
NC
VDDB
VOB
GNDB
Si8241/44
13
12
11
10
9
Functional Block Diagram
PWM
Patents Pending
VDDA
Isolation
DT
VOA
GNDA
VDDI
UVLO
Programmable Dead
Time, Control Gating
VDDB
DISABLE
Isolation
VOB
GNDB
GNDI
Si8241/44
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
Rev. 1.0 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 31, 2021
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