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參數(shù)資料
| 型號： | AD1991ASVRL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Class D/1-Bit Audio Power Output Stage |
| 中文描述： | 20 W, 4 CHANNEL, AUDIO AMPLIFIER, PQFP52 |
| 封裝： | MS-026ACC, TQFP-52 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 194K |
| 代理商： | AD1991ASVRL |
REV. 0
–2–
AD1991–SPECIFICATIONS
1
Parameter
OUTPUT POWER P
O
(f = 1 kHz SINE WAVE)
2
Min
Typ
Max
Unit
Test Conditions
R
L
= 4
, PV
DDX
= 14 V
R
L
= 8
, PV
DDX
= 20 V
f = 1 kHz, P
O
= 20 W, R
L
= 8
20
20
87
W
W
%
EFFICIENCY
R
ON
Per High-Side Transistor
Per Low-Side Transistor
Temperature Coefficient
THERMAL WARNING ACTIVE
THERMAL SHUTDOWN ACTIVE
OVERCURRENT SHUTDOWN ACTIVE
POWER SUPPLIES
Supply Voltage AV
DD
Supply Voltage DV
DD
Supply Voltage PV
DDX
Power-Down Current
AV
DD
DV
DD
PV
DDX
Operating Current
AV
DD
DV
DD
PV
DDX
260
190
0.7
135
150
5
320
235
m
m
m
/°
C
°
C
°
C
A
@ 1 A
@ 1 A
Die temperature
Die temperature
3.8
6.75
4.5
4.5
6.5
5.0
5.0
8 to 20
5.5
5.5
22.5
V
V
V
6
1
17
14
13
μ
A
μ
A
μ
A
RST
/
PDN
held low
RST
/
PDN
held low
RST
/
PDN
held low
1.8
4
40
2.75
5.2
mA
mA
mA
50:50 384 kHz square wave on
INA and INC
DIGITAL I/O
Input Voltage High
Input Voltage Low
Output Voltage High
Output Voltage Low
Leakage Current on Digital Inputs
2.0
DV
DD
1.2
V
V
V
V
μ
A
DV
DD
– 0.8
@ 2 mA
@ 2 mA
0.4
10
NOTES
1
Performance of both channels is identical.
2
Measurement requires PWM modulator.
Specifications subject to change without notice.
DIGITAL TIMING CHARACTERISTICS
Symbol
Parameter
Min
Typ
Max
Unit
t
PDL
t
PST
t
NOL
t
PDRP
t
MSU
t
MH
t
MPDL
Input transition to output initial response
Power transistor switching time
Nonoverlap time
RST
/
PDN
minimum low pulsewidth
Mode pin setup time before
RST
/
PDN
going high
Mode pin hold time after
RST
/
PDN
going high
MUTE
asserted to output initial response
30
ns
ns
ns
ns
ns
ns
3.5
25 to 40
20
5
5
3
s
Specifications subject to change without notice.
(Guaranteed over –40 C to +85 C, AV
DD
= DV
DD
= 5 V
10%, PV
DDX
= 20 V
10%,
Edge Speed = Slowest, Nonoverlap Time = Shortest.)
(AV
= 5 V, DV
= 5 V, PV
= 20 V, Ambient Temperature = 25 C,
Load Impedance = 8 , unless otherwise noted.)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD1991ASVZ | 制造商:Analog Devices 功能描述:Audio Amp Speaker 1-CH Mono/2-CH Stereo/4-CH Stereo 40W Class-D 52-Pin TQFP 制造商:Analog Devices 功能描述:AUDIO POWER O/P STAGE CLASS D 1991 |
| AD1991ASVZRL | 制造商:Analog Devices 功能描述:Audio Amp Speaker 1-CH Mono/2-CH Stereo/4-CH Stereo 40W Class-D 52-Pin TQFP T/R |
| AD1992 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Audio Switching Amplifier |
| AD1992_06 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Audio Switching Amplifier |
| AD1992ACPZ | 制造商:Analog Devices 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 20W/10W CLS-D 64LFCSP EP - Trays 制造商:Analog Devices 功能描述:IC AMP AUDIO SMD LFCSP-64 1992 制造商:Analog Devices 功能描述:IC, AMP, AUDIO, SMD, LFCSP-64, 1992 |
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