7. Audio DAC
7.1
Electrical Specifications
AVDD, AVDDHS = 2.7 V, T A = 25°C, typical case, unless otherwise noted.
All noise and distortion specifications are measured in the 20 Hz to 0.425xFs range and A-weighted filtered.
Full-scale levels scale proportionally with the AVDD / AVDDHS supply voltage.
Table 7-1.
Electrical Specifications
Min
Typ
Max
Units
Overall
Operating Temperature (ambient)
Analog Supply Voltage (AVDD, AVDDHS)
Digital Supply Voltage (VDIG)
-40
2.7
2.4
+25
2.8
2.8
+85
3.3
3.3
°C
V
V
DIGITAL INPUTS/OUTPUTS
Resolution
Logic Family
Logic Coding
Analog Performance - DAC to Line-out/Headphone Output
Output level for full scale input (for AVDD, AVDDHS = 2.8 V)
Output common mode voltage
Output load resistance (on HSL, HSR)
20
CMOS
2's Complement
6.20
1.75
0.5 x
AVDDHS
bits
mVrms
Vpp
V
Headphone load
Line load
16
32
10
Ohms
kOhms
Output load capacitance (on HSL, HSR)
Headphone load
Line load
Signal to Noise Ratio (-1dBFS @ 1kHz input and 0dB Gain)
Line and Headphone loads, A-Weighted
30
30
90
1000
150
pF
pF
dB
Total Harmonic Distortion (-1dBFS @ 1kHz input and 0dB Gain)
Line Load
Headphone Load
Headphone Load (16 Ohm)
-80
-65
-40
-75
dB
dB
dB
Dynamic Range (measured with -60 dBFS @ 1kHz input, extrapolated to
full-scale), A Weighted
Line Load
Headphone Load
90
80
dB
dB
Interchannel mismatch
Left-channel to right-channel crosstalk (300 Hz to 20kHz)
Output Headset Driver Level Control Range
Output Headset Driver Level Control Step
Maximum output power, headphone 32 Ohms load, 1% THD
AT73C240
6
-5
0.1
-65
2.5
15
1
5
dB
dB
dB
dB
mVrms
6464A–PMAAC–28-Apr-09
相关PDF资料
AT73C246-EK1 KIT EVALUATION FOR AT73C246
AT85DVK-07 KIT DEV FOR AT85C51SND3
AT85RFD-07 REFERENCE DESIGN FOR AT85C51SND3
AT88CK101BK8 BOARD KIT CRYPTO W/SOIC SKT
AT88CK101STK8 BOARD KIT CRYPTO W/SOIC&MICRO
AT88CK109BK8 BOARD KIT CRYPTO W/2 SOIC SKTS
AT88CK109STK3 KIT JAVAN BASE/SCKT BD/IC SAMPLE
AT88CK109STK8 KIT STARTER CRYPTO W/2 SOIC SKTS
相关代理商/技术参数
AT73C246 功能描述:多媒体杂项 NGD MONOLITHIC NUMERIC IC RoHS:否 制造商:Texas Instruments 类型: 通道数量: 转换速率:540 Mbps 分辨率: 封装 / 箱体:SOIC-16 封装:Tube
AT73C246-EK1 功能描述:电源管理IC开发工具 COMPLETE EVALUATION KIT RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
AT73C260B 功能描述:多媒体杂项 NGD MONOLITHIC NUMERIC IC RoHS:否 制造商:Texas Instruments 类型: 通道数量: 转换速率:540 Mbps 分辨率: 封装 / 箱体:SOIC-16 封装:Tube
AT73C500 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Chip Set Solution for Watt-Hour Meters
AT73C500-JC 制造商:未知厂家 制造商全称:未知厂家 功能描述:Power Metering
AT73C501 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Chip Set Solution for Watt-Hour Meters
AT73C501-JC 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog-to-Digital Converter, 16-Bit
AT73C502 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Chip Set Solution for Watt-Hour Meters