參數(shù)資料
型號: ADAU1590ASVZ-RL
廠商: ANALOG DEVICES INC
元件分類: 音頻/視頻放大
英文描述: Class-D Audio Power Amplifier
中文描述: 15.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
封裝: ROHS COMPLIANT, MO-026ABC, TQFP-48
文件頁數(shù): 3/24頁
文件大?。?/td> 453K
代理商: ADAU1590ASVZ-RL
ADAU1590
SPECIFICATIONS
AVDD = DVDD = 3.3 V, PVDD = 12 V, ambient temperature = 25°C, load impedance = 6 Ω, clock frequency = 24.576 MHz,
measurement bandwidth = 20 Hz to 20 kHz, unless otherwise noted.
AUDIO PERFORMANCE
Rev. 0 | Page 3 of 24
Table 1.
Parameter
OUTPUT POWER
1
EFFICIENCY
R
DS-ON
Per High-Side Transistor
Per Low-Side Transistor
THERMAL CHARACTERISTICS
Thermal Warning Active
2
Thermal Shutdown Active
OVERCURRENT SHUTDOWN ACTIVE
PVDD UNDERVOLTAGE SHUTDOWN
INPUT LEVEL FOR FULL-SCALE OUTPUT
TOTAL HARMONIC DISTORTION + NOISE (THD+N)
SIGNAL-TO-NOISE RATIO (SNR)
DYNAMIC RANGE (DNR)
CROSSTALK (LEFT TO RIGHT OR RIGHT TO LEFT)
AMPLIFIER GAIN
PGA = 0 dB
PGA = 6 dB
PGA = 12 dB
PGA = 18 dB
OUTPUT NOISE VOLTAGE
PGA = 0 dB
PGA = 6 dB
PGA = 12 dB
PGA = 18 dB
POWER SUPPLY REJECTION RATIO (PSRR)
Min
5
99
99
Typ
7
9
9
11.5
12.5
15.5
87
0.28
0.25
135
150
6
5.1
1.0
0.5
0.25
0.125
0.005
101
101
90
17
23
29
35
65
83
130
230
57
Max
Unit
W
W
W
W
W
W
%
Ω
Ω
°C
°C
A
V
V
RMS
V
RMS
V
RMS
V
RMS
%
dB
dB
dB
dB
dB
dB
dB
μV
μV
μV
μV
dB
Test Conditions/Comments
1 kHz
1% THD + N, 8 Ω
10% THD + N , 8 Ω
1% THD + N, 6 Ω
10% THD + N, 6 Ω
1% THD + N , 4 Ω
10% THD + N , 4 Ω
@ 12 W, 6 Ω
@ T
CASE
= 25°C
@ 100 mA
@ 100 mA
Die temperature
Die temperature
Peak current
Full-scale output @ 1% THD + N
PGA gain = 0 dB
PGA gain = 6 dB
PGA gain = 12 dB
PGA gain = 18 dB
1 kHz, P
OUT
= 1 W, PGA gain = 0 dB
A-weighted, referred to 1% THD + N output
A-weighted, measured with 60 dBFS input
@ full-scale output voltage, 1% THD + N, 1 kHz
PVDD = 12 V, 6 Ω
PVDD = 12 V, 6 Ω
20 Hz to 20 kHz, 1.2 V p-p ripple, inputs ac-
coupled to AGND
1
Output powers above 12 W at 4 Ω and above 18 W at 6 Ω are not continuous and are thermally limited by the package dissipation.
2
Thermal warning flag is for indication of device T
J
reaching close to shutdown temperature.
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