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AD1981B PDF预览

AD1981B

更新时间: 2024-02-29 05:50:14
品牌 Logo 应用领域
亚德诺 - ADI 解码器编解码器
页数 文件大小 规格书
28页 270K
描述
AC ’97 SoundMAX Codec

AD1981B 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LFQFP, QFP48,.35SQ,20针数:48
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.6
其他特性:IT CAN REQUIRES 2.97V TO 3.63V SUPPLY商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:S-PQFP-G48JESD-609代码:e3
长度:7 mm湿度敏感等级:3
功能数量:1端子数量:48
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:LFQFP
封装等效代码:QFP48,.35SQ,20封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE PITCH峰值回流温度(摄氏度):260
电源:3.3,5 V认证状态:Not Qualified
座面最大高度:1.6 mm子类别:Other Consumer ICs
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
表面贴装:YES温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:40宽度:7 mm
Base Number Matches:1

AD1981B 数据手册

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AD1981B  
Parameter  
Min  
Typ  
Max  
Unit  
ANALOG-TO-DIGITAL CONVERTERS  
Resolution  
Total Harmonic Distortion (THD)  
16  
–84  
85  
Bits  
dB  
dB  
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,  
A-Weighted)  
80  
Signal-to-Intermodulation Distortion1 (CCIF Method)  
ADC Crosstalk1  
85  
dB  
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)  
Line_In to Other  
–80  
–100  
dB  
dB  
%
dB  
mV  
–80  
10  
0.5  
5
Gain Error2 (Full-Scale Span Relative to Nominal Input Voltage)  
Interchannel Gain Mismatch (Difference of Gain Errors)  
ADC Offset Error1  
DIGITAL-TO-ANALOG CONVERTERS  
Resolution  
20  
Bits  
dB  
dB  
dB  
Total Harmonic Distortion (THD) LINE_OUT  
Total Harmonic Distortion (THD) HP_OUT  
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,  
A-Weighted)  
–85  
–75  
90  
85  
Signal-to-Intermodulation Distortion1 (CCIF Method)  
Gain Error2 (Output FS Voltage Relative to Nominal Output FS Voltage)  
Interchannel Gain Mismatch (Difference of Gain Errors)  
DAC Crosstalk1 (Input L, Zero R, Measure R_OUT; Input R,  
Zero L, Measure L_OUT)  
–100  
10  
dB  
%
dB  
dB  
0.7  
–80  
Total Audible Out-of-Band Energy1 (Measured from 0.6 fS to 20 kHz)  
–40  
dB  
ANALOG OUTPUT  
Full-Scale Output Voltage; LINE_OUT and MONO_OUT  
1
2.83  
V rms  
V p-p  
Output Impedance1  
800  
100  
External Load Impedance1  
Output Capacitance1  
10  
kΩ  
15  
1
pF  
pF  
V rms  
V
V
mA  
mV  
External Load Capacitance1  
Full-Scale Output Voltage; HP_OUT (0 dB Gain)  
External Load Impedance1  
VREF  
32  
2.05  
2.25  
2.25  
2.45  
5
V
REF_OUT (Programmable to 3.70 V Nominal)  
VREF_OUT Current Drive  
Mute Click (Muted Output Minus Unmuted Midscale DAC Output)  
5
STATIC DIGITAL SPECIFICATIONS  
High Level Input Voltage (VIH): Digital Inputs  
Low Level Input Voltage (VIL)  
High Level Output Voltage (VOH), IOH = 2 mA  
Low Level Output Voltage (VOL), IOL = 2 mA  
Input Leakage Current  
0.65 DVDD  
0.9 DVDD  
V
V
V
V
µA  
µA  
0.35 DVDD  
0.1 DVDD  
+10  
+10  
–10  
–10  
Output Leakage Current  
POWER SUPPLY  
Power Supply Range—Analog (AVDD  
Power Supply Range—Digital (DVDD  
Power Dissipation—5 V/3.3 V  
)
)
4.5  
3.0  
5.5  
3.47  
V
V
mW  
mA  
mA  
400  
50  
46  
Analog Supply Current—5 V (AVDD  
)
Digital Supply Current—3.3 V (DVDD  
)
Power Supply Rejection (100 mV p-p Signal @ 1 kHz)1  
(At Both Analog and Digital Supply Pins, Both ADCs and DACs)  
40  
dB  
–3–  
REV. B  

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