参数资料
| 型号： | NCS8353MNTXG |
| 厂商： | ON Semiconductor |
| 文件页数： | 12/14页 |
| 文件大小： | 0K |
| 描述： | 20W CLASS D AUDIO AMP 32QFN |
| 标准包装： | 2,500 |
| 类型： | D 类 |
| 输出类型： | 2 通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 20W x 2 @ 8 欧姆 |
| 电源电压： | 8 V ~ 26 V |
| 特点： | 消除爆音，差分输入，静音，短路和热保护，关机 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 32-QFN（5x5） |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
NCS8353
http://onsemi.com
7
DC ELECTRICAL CHARACTERISTICS, AVDD = PVDDR = PVDDL = 12 V, RL = 8 W, TA = 25°C unless otherwise noted
Specification Name
Conditions
Symbol
Min
Typ
Max
Unit
Differential Output Offset Voltage
Inputs AC GND, CIN = 1 mF, AV =
20 dB, Measured differentially
VOSDIFF
15
50
mV
5.0 V Internal Regulator
No load, Creg = 1 mF
AVREG
4.5
5
5.5
V
Voltage input common mode range
Inputs AC coupled, CIN = 1 mF,
Vbias = 2.15 V
VICR
AGND
+ 0.35
AVREG
1.35
V
Quiescent Current
No load, No filter
IQ
28
42
mA
Shutdown Quiescent Current
No load, No filter, ENABLE
≤ 0.8 V
IQSHDN
100
200
mA
On Resistance Drain to Source
Io = 500 mA
RDSon
360
mW
Gain
G0 = G1 ≤ 0.8 V
AV
19
20
21
dB
G0 ≤ 0.8 V, G1 ≥ 2 V
25
26
27
G0 ≥ 2 V, G1 ≤ 0.8 V
31
32
33
G0 = G1 ≥ 2 V
35
36
37
Gain Matching
ROUTN / ROUTP, LOUTN / LOUTP
0.5
dB
Turn on time
ENABLE ≥ 2 V
tON
250
ms
Turn off time
ENABLE ≤ 0.8 V
tOFF
60
ms
DC ELECTRICAL CHARACTERISTICS, AVDD = PVDDR = PVDDL = 24 V, RL = 8 W, TA = 25°C unless otherwise noted
Specification Name
Conditions
Symbol
Min
Typ
Max
Unit
Differential Output Offset Voltage
Inputs AC GND, CIN = 1 mF, AV =
20 dB, Measured differentially
VOSDIFF
15
50
mV
5.0V Internal Regulator
No load, Creg = 1 mF
AVREG
4.5
5
5.5
V
Voltage input common mode range
Inputs AC coupled, CIN = 1 mF,
Vbias = 2.15 V
VICR
AGND
+ 0.35
AVREG
1.35
V
Quiescent Current
PVDD = 24 V, No load, No filter
IQ
33
45
mA
Shutdown Quiescent Current
PVDD = 24 V, No load, No filter,
ENABLE ≤ 0.8 V
IQSHDN
100
200
mA
On Resistance Drain to Source
IO = 500 mA
rDS(on)
360
mW
Gain
G0 = G1≤ 0.8 V
AV
19
20
21
dB
G0 ≤ 0.8 V, G1 ≥ 2 V
25
26
27
G0 ≥ 2 V, G1 ≤ 0.8 V
31
32
33
G0 = G1 ≥ 2 V
35
36
37
Gain Matching
ROUTN / ROUTP, LOUTN / LOUTP
0.5
dB
Turn on time
ENABLE ≥ 2 V
tON
250
ms
Turn off time
ENABLE ≤ 0.8 V
tOFF
60
ms
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