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参数资料
| 型号： | TDA7496L |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDIP20 |
| 封装： | POWER, DIP-20 |
| 文件页数： | 4/10页 |
| 文件大小： | 162K |
| 代理商： | TDA7496L |
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
eN
Total Output Noise
f = 20Hz to 22KHz
Play, max volume
500
800
V
f = 20Hz to 22KHz
Play, max attenuation
100
250
V
f = 20Hz to 22KHz
Mute
60
150
V
SR
Slew Rate
5
8
V/
s
Ri
Input Resistance
22.5
30
K
RVar Out
Variable Output Resistance
30
100
Rload Var Out
Variable Output Load
2
K
SVR
Supply Voltage Rejection
f = 1kHz; max volume
CSVR = 470
F; VRIP = 1Vrms
35
39
dB
f = 1kHz; max attenuation
CSVR = 470
F; VRIP =1Vrms
55
65
dB
TM
Thermal Muting
150
°C
Ts
Thermal Shut-down
160
°C
MUTE STAND-BY & INPUT SELECTION FUNCTIONS
VST ON
Stand-by ON Threshold
3.5
V
VST OFF
Stand-by OFF Threshold
1.5
V
VM ON
Mute ON Threshold
3.5
V
VM OFF
Mute OFF Threshold
1.5
V
IqST-BY
Quiescent Current @ Stand-by
0.6
1
mA
AMUTE
Mute Attenuation
50
65
dB
IstbyBIAS
Stand-by bias current
Stand by on VST-BY = 5V
VMUTE = 5V
80
A
Play or Mute
-20
-5
A
ImuteBIAS
Mute bias current
Mute
1
5
A
Play
0.2
2
A
APPLICATION SUGGESTIONS
The recommended values of the external components are those shown on the application circuit of fig-
ure 1A. Different values can be used, the following table can help the designer.
COMPONENT
SUGGESTION
VALUE
PURPOSE
LARGER THAN
SUGGESTION
SMALLER THAN
SUGGESTION
R1
300K
Volume control
circuit
Larger volume regulation
time
Smaller volume regulation
time
R2
10K
Mute time constant
Larger mute on/off time
Smaller mute on/off time
P1
50K
Volume control
circuit
C1
1000
F
Supply voltage
bypass
Danger of oscillation
C2
470nF
Input DC decoupling
Lower low frequency cutoff
Higher low frequency cutoff
C3
470nF
Input DC decoupling
Lower low frequency cutoff
Higher low frequency cutoff
C4
470
F
Ripple rejection
Better SVR
Worse SVR
C5
100nF
Volume control time
costant
Larger volume regulation
time
Smaller volume regulation
time
C6
1000
F
Output DC
decoupling
Lower low frequency cutoff
Higher low frequency cutoff
C7
1
F
Mute time costant
Larger mute on/off time
Smaller mute on/off time
C8
1000
F
Output DC
decoupling
Lower low frequency cutoff
Higher low frequency cutoff
C9
100nF
Supply voltage
bypass
Danger of oscillation
TDA7496L
3/10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA7496S | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5W+5W AMPLIFIER WITH DC VOLUME CONTROL |
| TDA7496SA | 功能描述:IC AMP AUDIO AB DUAL CLIPWATT15 RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| TDA7496SSA | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5W+5W AMPLIFIER |
| TDA7497 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:10 + 10W STEREO AMPLIFIER WITH MUTE/ST-BY |
| TDA7497S | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8W+8W+15W TRIPLE AMPLIFIER |
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