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参数资料
| 型号： | LM4840MT/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28 |
| 封装： | TSSOP-28 |
| 文件页数： | 16/22页 |
| 文件大小： | 829K |
| 代理商： | LM4840MT/NOPB |
Absolute Maximum Ratings (Note 10)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
6.0V
Storage Temperature
-65C to +150C
Input Voltage
0.3V to V
DD +0.3V
Power Dissipation
Internally limited
ESD Susceptibility (Note 12)
2000V
ESD Susceptibility (Note 13)
200V
Junction Temperature
150C
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering
surface mount devices.
See AN-1187 “Leadless Leadframe Package” for
detailed information on usage of LLP devices.
θ
JC (typ) — LQA028A (Note
16)
3C/W
θ
JA (typ) — LQA028A (Note
16)
42C/W
θ
JC (typ) — MTC28
20C/W
θ
JA (typ) — MTC28
80C/W
θ
JC (typ) — MXA28A
2C/W
θ
JA (typ) — MXA28A (Note 4)
41C/W
θ
JA (typ) — MXA28A (Note 3)
54C/W
θ
JA (typ) — MXA28A (Note 5)
59C/W
θ
JA (typ) — MXA28A (Note 6)
93C/W
Operating Ratings
Temperature Range
T
MIN ≤ TA ≤TMAX
40C
≤TA ≤ 85C
Supply Voltage
2.7V
≤ V
DD ≤ 5.5V
Electrical Characteristics for Entire IC
(Notes 7, 10)
The following specifications apply for V
DD = 5V unless otherwise noted. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4840
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
V
DD
Supply Voltage
2.7
V (min)
5.5
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A
12
30
mA (max)
I
SD
Shutdown Current
V
SHUTDOWN =VDD
0.7
2.0
A (max)
V
IH
Headphone Sense High Input Voltage
4
V (min)
V
IL
Headphone Sense Low Input Voltage
0.8
V (max)
Electrical Characteristics for Volume Attenuators
(Notes 7, 10)
The following specifications apply for V
DD = 5V. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4840
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
C
RANGE
Attenuator Range
Gain with Digital Volume Max
0
±0.5
dB (max)
Attenuation with Digital Volume Min
-81
-75
dB (min)
A
M
Mute Attenuation
V
MUTE =VDD, Bridged Mode
-88
-78
dB (min)
V
MUTE =VDD, Single-Ended Mode
-88
-78
dB (min)
Electrical Characteristics for Single-Ended Mode Operation
(Notes 7, 10)
The following specifications apply for V
DD = 5V. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4840
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
P
O
Output Power
THD = 1.0%; f = 1kHz; R
L =32
85
mW
THD=10%;f=1 kHz; R
L =32
95
mW
LM4840
www.national.com
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相关代理商/技术参数 |
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| LM48410SQ/NOPB | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM48410SQBD | 功能描述:音频 IC 开发工具 LM48410 EVAL BOARD RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
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