參數(shù)資料
型號: ADAU1592ACPZ-RL
廠商: Analog Devices Inc
文件頁數(shù): 18/24頁
文件大小: 0K
描述: IC AMP AUDIO PWR 24W 48LFCSP
標準包裝: 2,500
類型: D 類
輸出類型: 2 通道(立體聲)
在某負載時最大輸出功率 x 通道數(shù)量: 24W x 2 @ 4 歐姆
電源電壓: 9 V ~ 18 V
特點: 消除爆音,靜音,短路和熱保護,待機
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 48-LFCSP-VQ(7x7)
封裝/外殼: 48-VFQFN 裸露焊盤,CSP
包裝: 帶卷 (TR)
ADAU1592
Rev. A | Page 3 of 24
SPECIFICATIONS
AVDD = 3.3 V, DVDD = 3.3 V, PVDD = 15 V, ambient temperature = 25°C, load impedance = 6 Ω, clock frequency = 24.576 MHz,
measurement bandwidth = 20 Hz to 20 kHz, unless otherwise specified.
AUDIO PERFORMANCE
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
OUTPUT POWER1
1 kHz
12
W
1% THD + N, 8 Ω
15
W
10% THD + N, 8 Ω
14.5
W
1% THD + N, 6 Ω
18
W
10% THD + N, 6 Ω
19.5
W
1% THD + N, 4 Ω
24
W
10% THD + N, 4 Ω
EFFICIENCY
87
%
@ 18 W, 6 Ω
RDS-ON
@ TCASE = 25°C
Per High-Side Transistor
0.28
Ω
@ 100 mA
Per Low-Side Transistor
0.25
Ω
@ 100 mA
THERMAL CHARACTERISTICS
Thermal Warning Active2
135
°C
Die temperature
Thermal Shutdown Active
150
°C
Die temperature
OVERCURRENT SHUTDOWN ACTIVE
5
6
A
Peak current
PVDD UNDERVOLTAGE SHUTDOWN
5.1
V
INPUT LEVEL FOR FULL-SCALE OUTPUT
Full-scale output @ 1% THD + N
1.0
Vrms
PGA gain = 0 dB
0.5
Vrms
PGA gain = 6 dB
0.25
Vrms
PGA gain = 12 dB
0.125
Vrms
PGA gain = 18 dB
TOTAL HARMONIC DISTORTION + NOISE (THD + N)
0.005
%
1 kHz, POUT = 1 W, PGA gain = 0 dB
SIGNAL-TO-NOISE RATIO (SNR)
99
101
dB
A-weighted, referred to 1% THD + N output
DYNAMIC RANGE (DNR)
99
101
dB
A-weighted, measured with 60 dBFS input
CROSSTALK (LEFT TO RIGHT OR RIGHT TO LEFT)
90
dB
@ full-scale output voltage, 1% THD + N, 1 kHz
AMPLIFIER GAIN
PVDD = 15 V, 6 Ω
PGA = 0 dB
19
dB
PGA = 6 dB
25
dB
PGA = 12 dB
31
dB
PGA = 18 dB
37
dB
OUTPUT NOISE VOLTAGE
PVDD = 15 V, 6 Ω
PGA = 0 dB
78
μV
PGA = 6 dB
100
μV
PGA = 12 dB
158
μV
PGA = 18 dB
280
μV
POWER SUPPLY REJECTION RATIO (PSRR)
65
dB
20 Hz to 20 kHz, 1.5 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 TJ reaching close to shutdown temperature.
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