參數(shù)資料
型號: LM4840MTX/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28
封裝: TSSOP-28
文件頁數(shù): 16/22頁
文件大?。?/td> 829K
代理商: LM4840MTX/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
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相關PDF資料
PDF描述
LM4840MT/NOPB 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28
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