參數(shù)資料
型號: ADAU1590ACPZ
廠商: Analog Devices Inc
文件頁數(shù): 18/24頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 15.5W 48LFCSP
產(chǎn)品變化通告: ADAU1513,1590 Discontinuation 09/Apr/2012
標(biāo)準(zhǔn)包裝: 1
類型: D 類
輸出類型: 2 通道(立體聲)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 15.5W x 2 @ 4 歐姆
電源電壓: 9 V ~ 15 V
特點(diǎn): 消除爆音,靜音,短路和熱保護(hù)
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: 托盤
產(chǎn)品目錄頁面: 776 (CN2011-ZH PDF)
ADAU1590
Rev. 0 | Page 3 of 24
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
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
OUTPUT POWER1
1 kHz
7
W
1% THD + N, 8 Ω
9
W
10% THD + N , 8 Ω
9
W
1% THD + N, 6 Ω
11.5
W
10% THD + N, 6 Ω
12.5
W
1% THD + N , 4 Ω
15.5
W
10% THD + N , 4 Ω
EFFICIENCY
87
%
@ 12 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 = 12 V, 6 Ω
PGA = 0 dB
17
dB
PGA = 6 dB
23
dB
PGA = 12 dB
29
dB
PGA = 18 dB
35
dB
OUTPUT NOISE VOLTAGE
PVDD = 12 V, 6 Ω
PGA = 0 dB
65
μV
PGA = 6 dB
83
μV
PGA = 12 dB
130
μV
PGA = 18 dB
230
μV
POWER SUPPLY REJECTION RATIO (PSRR)
57
dB
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 TJ reaching close to shutdown temperature.
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