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參數(shù)資料
| 型號： | AD82550A |
| 廠商： | Elite Semiconductor Memory Technology Inc. |
| 英文描述： | Stereo Digital Audio Amplifier with Headphone Driver |
| 中文描述： | 立體聲數(shù)字音頻放大器驅(qū)動器，帶有耳機(jī) |
| 文件頁數(shù)： | 3/3頁 |
| 文件大?。?/td> | 187K |
| 代理商： | AD82550A |
ES MT
AD82550A
Elite Semiconductor Memory Technology Inc.
Publication Date
：
Apr. 2007
Revision
：
1.1 3/16
Absolute Maximum Ratings
Symbol
DVDD
AVDD
VDDL(R)
V
i
T
stg
T
a
Voltage Difference between V
DDL
(V
DDR
) and DVDD/AVDD
V
DDL
(V
DDR
) Power-on Voltage Ramp
Recommended Operating Conditions
Symbol
Parameter
DVDD
Supply for Digital Circuit
AVDD
Supply for Analog Circuit
VDDL(R)
Supply for Driver Stage
T
a
Ambient Operating Temperature
Parameter
Min
0
0
0
-0.3
-65
0
-1
-3
Max
3.6
3.6
5.5
3.6
150
70
1
3
0.2
Units
V
V
V
V
o
C
o
C
V
V
V/
μ
s
Supply for Digital Circuit
Supply for Analog Circuit
Supply for Left (Right) Channel
Input Voltage
Storage Temperature
Ambient Operating Temperature
Voltage Difference between V
DDL
and V
DDR
Digital Characteristics
Symbol
V
IH
V
IL
V
OH
V
OL
C
I
Parameter
Min
2.0
2.4
Typ
6.4
Max
0.8
Units
V
V
V
V
pF
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage
Low-Level Output Voltage
Input Capacitance
0.4
General Electrical Characteristics
Symbol
I
PD
Supply Current during Power Down
Junction Temperature for Driver Shutdown
Temperature Hysteresis for Recovery from Shutdown
UV
H
Under Voltage Disabled (For AVDD)
UV
L
Under Voltage Enabled (For AVDD)
Fsw
Switching Rate of Loudspeakers and Headphones
T
PWM
Minimum PWM pulse width
R
SC
Loudspeaker Short-Circuit Detection (Note2)
R
SCH
Headphone Output Short-Circuit Detection
Note2: Loudspeaker short-circuit protection is effective only when external LC or ferrite bead filters are
properly used. Long time short-circuit will reduce device reliability. AD82550A protects itself from
short-circuit damage only when the lines connected to speaker are shorted to each other or to GND.
AD82550A will be burnt if the lines connected to loudspeaker are shorted to VDDL(VDDR).
Package Options
Parameter
Condition
Min Typ Max
36
150
20
2.8
2.7
8Fs 8Fs 8Fs
2.8
3.0
Units
μ
A
o
C
o
C
V
V
Hz
Sec
Ω
Ω
VDDR(L)=5V
Steady State
3.2
3.4
Package Type
24L SSOP 209mil AD82550A-CG
θ
JA
= 64.7
o
C/W (Condition: still air, multilayer board)
Part Number
Thermal Information
Typ
3.0~3.3
3.0~3.3
3.0~5.0
0~70
Units
V
V
V
o
C
256Fs
1
256Fs
1
256Fs
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD82550A-CG | Stereo Digital Audio Amplifier with Headphone Driver |
| AD82551A | Stereo Digital Audio Amplifier with Headphone Driver |
| AD82551A-CG | Stereo Digital Audio Amplifier with Headphone Driver |
| AD8256A | 2x16W Stereo Digital Audio Amplifier with Headphone Driver |
| AD8256A-KG | 2x16W Stereo Digital Audio Amplifier with Headphone Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD82551A | 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:Stereo Digital Audio Amplifier with Headphone Driver |
| AD82551A-CG | 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:Stereo Digital Audio Amplifier with Headphone Driver |
| AD8256A | 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:2x16W Stereo Digital Audio Amplifier with Headphone Driver |
| AD8256A-KG | 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:2x16W Stereo Digital Audio Amplifier with Headphone Driver |
| AD8256A-LEG | 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:2x16W Stereo Digital Audio Amplifier with Headphone Driver |
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