参数资料
型号: ADAU1461WBCPZ-R7
厂商: Analog Devices Inc
文件页数: 45/88页
文件大小: 0K
描述: IC SIGMADSP 24BIT 96KHZ PLL 32
标准包装: 1,500
系列: SigmaDSP®
类型: 音频处理器
应用: 车载音频
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-VQ
包装: 带卷 (TR)
ADAU1461
Rev. 0 | Page 5 of 88
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
Total Harmonic Distortion + Noise
0 dBFS, 10 kΩ load
Line Output Mode
92
77
dB
Headphone Output Mode
89
79
dB
Signal-to-Noise Ratio
Line output mode
With A-Weighted Filter (RMS)
101
dB
No Filter (RMS)
98
dB
Mute Attenuation
Mixer 3 and Mixer 4 Muted
MX3RM, MX3LM, MX4RM, MX4LM = 0,
MX3AUXG[3:0], MX4AUXG[3:0] = 0000,
MX3G1[3:0], MX3G2[3:0] = 0000,
MX4G1[3:0], MX4G2[3:0] = 0000
85
78
dB
Mixer 5, Mixer 6, and Mixer 7 Muted
MX5G3[1:0], MX5G4[1:0], MX6G3[1:0],
MX6G4[1:0], MX7[1:0] = 00
89
80
dB
All Volume Controls Muted
LOUTM, ROUTM = 0
82
74
dB
MONOM, LHPM, RHPM = 0
74
69
dB
Interchannel Gain Mismatch
0.3
0.005
+0.3
dB
Offset Error
22
0
+22
mV
Gain Error
10
+3
+10
%
Interchannel Isolation
1 kHz, 0 dBFS input signal
100
dB
Power Supply Rejection Ratio
CM capacitor = 20 μF, 100 mV p-p @ 1 kHz
70
dB
DAC TO HEADPHONE/EARPIECE
OUTPUT
LOUTx, ROUTx, LHP, RHP in headphone
output mode; PO = output power per
channel
Full-Scale Output Voltage (0 dB)
Scales linearly with AVDD
0.92 (2.60)
V rms (V p-p)
Total Harmonic Distortion + Noise
4 dBFS, 16 Ω load, PO = 21.1 mW
82
dB
4 dBFS, 32 Ω load, PO = 10.6 mW
82
dB
Capless Headphone Mode
2 dBFS, 16 Ω load
78
71
dB
2 dBFS, 32 Ω load
75
65
dB
Headphone Output Mode
0 dBFS, 10 kΩ load
86
77
dB
Interchannel Isolation
1 kHz, 0 dBFS input signal, 32 Ω load
Referred to GND
73
dB
Referred to CM (capless headphone
mode)
50
dB
Power Supply Rejection Ratio
CM capacitor = 20 μF, 100 mV p-p @ 1 kHz
67
dB
REFERENCE
Common-Mode Reference Output
CM pin
1.62
1.65
1.67
V
ANALOG PERFORMANCE SPECIFICATIONS, 40°C < TA < +105°C
IOVDD = 3.3 V ± 10%.
Table 2.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
SINGLE-ENDED LINE INPUT
Dynamic Range
20 Hz to 20 kHz, 60 dB input
With A-Weighted Filter (RMS)
74
dB
No Filter (RMS)
71
dB
Total Harmonic Distortion + Noise
1 dBFS
67
dB
Input Mixer Gain per Step
12 dB to +6 dB range
2.88
3.09
dB
Mute Attenuation
LINPG[2:0], LINNG[2:0] = 000,
RINPG[2:0], RINNG[2:0] = 000,
MX1AUXG[2:0], MX2AUXG[2:0] = 000
77
dB
Interchannel Gain Mismatch
0.5
+0.5
dB
Offset Error
5
+5
mV
Gain Error
22
6
%
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