参数资料
型号: SI8244BB-C-IS1
厂商: Silicon Laboratories Inc
文件页数: 27/30页
文件大小: 0K
描述: IC AUDIO DRIVER PWM 16-SOIC
标准包装: 48
类型: 音频驱动器
应用: D 类音频放大器
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC N
包装: 管件
其它名称: 336-2001-5
SI8244BB-B-IS1
Si824x
6
Rev. 1.0
VDDI Undervoltage Threshold
VDDIUV+
VDDI rising
3.60
4.0
4.45
V
VDDI Undervoltage Threshold
VDDIUV–
VDDI falling
3.30
3.70
4.15
V
VDDI Lockout Hysteresis
VDDIHYS
—250
mV
VDDA, VDDB Undervoltage
Threshold
VDDAUV+,
VDDBUV+
VDDA, VDDB rising
8V Threshold
7.50
8.60
9.40
V
10 V Threshold
9.60
11.1
12.2
V
VDDA, VDDB Undervoltage
Threshold
VDDAUV–,
VDDBUV–
VDDA, VDDB falling
8V Threshold
7.20
8.10
8.70
V
10 V Threshold
9.40
10.1
10.9
V
VDDA, VDDB
Lockout Hysteresis
VDDAHYS,
VDDBHYS
UVLO voltage = 8 V
600
mV
VDDA, VDDB
Lockout Hysteresis
VDDAHYS,
VDDBHYS
UVLO voltage = 10 V
1000
mV
AC Specifications
Minimum Pulse Width
10
ns
Propagation Delay
tPHL, tPLH
CL = 1 nF
25
60
ns
Pulse Width Distortion
|tPLH - tPHL|
PWD
1.0
5.60
ns
Programmed Dead Time2
DT
See Figures 37 and 38
0.4
1000
ns
Output Rise and Fall Time
tR,tF
CL = 1 nF (Si8241)
20
ns
CL = 1 nF (Si8244)
12
ns
Shutdown Time from
Disable True
tSD
——
60
ns
Restart Time from
Disable False
tRESTART
——
60
ns
Device Start-up Time
tSTART
Time from VDD_ = VDD_UV+
to VOA, VOB = VIA, VIB
—5
7
s
Common Mode
Transient Immunity
CMTI
VIA, VIB, PWM = VDDI or 0 V
VCM = 1500 V (see Figure 4)
25
45
kV/s
Table 1. Electrical Characteristics1 (Continued)
4.5 V < VDDI < 5.5 V, VDDA = VDDB = 12 V or 15 V. TA = –40 to +125 °C. Typical specs at 25 °C
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Notes:
1. VDDA = VDDB = 12 V for 8 V UVLO and 10 V UVLO devices.
2. The largest RDT resistor that can be used is 220 k
.
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