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參數(shù)資料
| 型號： | AD74111YRUZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 12/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CODEC AUDIO MONO LP 16TSSOP |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 音頻編解碼器 |
| 數(shù)據(jù)接口： | 串行 |
| 分辨率（位）： | 24 b |
| ADC / DAC 數(shù)量： | 1 / 1 |
| 三角積分調(diào)變： | 是 |
| S/N 比，標(biāo)準(zhǔn) ADC / DAC (db)： | 77 / 89 |
| 動態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db)： | 85 / 93 |
| 電壓 - 電源，模擬： | 2.5V |
| 電壓 - 電源，數(shù)字： | 2.5V |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-TSSOP |
| 包裝： | 帶卷 (TR) |
| 配用： | EVAL-AD74111EBZ-ND - BOARD EVAL FOR AD74111 |
REV. 0
–2–
AD74111–SPECIFICATIONS
(AVDD = 2.5 V
± 5%, DVDD2 = 2.5 V ± 5%, DVDD1 = 2.5 V ± 5%, fMCLK = 12.288 MHz,
fS = 48 kHz, TA = TMIN to TMAX, unless otherwise noted.)
Parameter
Conditions
Min
Typ
Max
Unit
ANALOG-TO-DIGITAL CONVERTERS
ADC Resolution
24
Bits
Signal to Noise Ratio (SNR)
fS = 16 kHz
70
77
dB
Dynamic Range
(20 Hz to 20 kHz, –60 dB Input)
No Filter
fS = 48 kHz
85
dB
fS = 16 kHz
78
85
dB
With A-Weighted Filter
fS = 48 kHz
87
dB
Total Harmonic Distortion + Noise
fS = 48 kHz, PGA = 0 dB
–67
dB
fS = 16 kHz
–75
dB
Programmable Input Gain
12
dB
Gain Step Size
3dB
Offset Error
–55
+30
+80
mV
Full-Scale Input Voltage
V rms
Input Resistance
4k
Input Capacitance
15
pF
Common-Mode Input Volts
1.125
V
Crosstalk
ADC Input Signal = 1.0 kHz,
100
dB
0 dB; DAC Output = DC
DIGITAL-TO-ANALOG CONVERTERS
DAC Resolution
24
Bits
Signal to Noise Ratio (SNR)
fS = 16 kHz
80
89
dB
Dynamic Range
(20 Hz to 20 kHz, –60 dB Input)
No Filter
fS = 48 kHz
93
dB
fS = 16 kHz
84
93
dB
With A-Weighted Filter
fS = 48 kHz
95
dB
Total Harmonic Distortion + Noise
fS = 48 kHz
–88
dB
fS = 16 kHz
–88
–81
dB
DC Accuracy
Offset Error
–75
–10
+50
mV
Gain Error
–0.9
+0.175
+0.8
dB
Volume Control Step Size
(1024 Linear Steps)
0.098
%
Volume Control Range (Max Attenuation)
–60
dB
Mute Attenuation
–100
dB
De-emphasis Gain Error
±0.1
dB
Full-Scale Output Voltage
0.5
V rms
Output Resistance
145
Common Mode Output Volts
1.125
V
Crosstalk
Signal Input ADC = AGND;
95
dB
DAC Output
Level = 1.0 kHz, 0 dB
REFERENCE (Internal)
Absolute Voltage, VREF
1.125
V
VREF TC
50
ppm/
°C
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