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參數(shù)資料
| 型號： | AD1838AASZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 2/24頁 |
| 文件大小： | 0K |
| 描述： | IC CODEC 2ADC/6DAC 24 BIT 52MQFP |
| 標準包裝： | 1 |
| 類型： | 立體聲音頻 |
| 數(shù)據(jù)接口： | 串行 |
| 分辨率（位）： | 24 b |
| ADC / DAC 數(shù)量： | 2 / 6 |
| 三角積分調(diào)變： | 是 |
| S/N 比，標準 ADC / DAC (db)： | 105 / 108 |
| 動態(tài)范圍，標準 ADC / DAC (db)： | 105 / 108 |
| 電壓 - 電源，模擬： | 4.5 V ~ 5.5 V |
| 電壓 - 電源，數(shù)字： | 4.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 52-QFP |
| 供應商設(shè)備封裝： | 52-MQFP（10x10） |
| 包裝： | 托盤 |
REV. A
AD1838A
–10–
TERMINOLOGY
Dynamic Range
The ratio of a full-scale input signal to the integrated input noise in
the pass band (20 Hz to 20 kHz), expressed in decibels. Dynamic
range is measured with a –60 dB input signal and is equal to
(S/[THD + N]) + 60 dB. Note that spurious harmonics are below
the noise with a –60 dB input, so the noise level establishes the
dynamic range. The dynamic range is specified with and without
an A-weight filter applied.
Signal-to-(Total Harmonic Distortion + Noise)
[S/(THD + N)]
The ratio of the root-mean-square (rms) value of the fundamen-
tal input signal to the rms sum of all other spectral components
in the pass band, expressed in decibels.
Pass Band
The region of the frequency spectrum unaffected by the attenu-
ation of the digital decimator’s filter.
Pass-Band Ripple
The peak-to-peak variation in amplitude response from equal-
amplitude input signal frequencies within the pass band, expressed
in decibels.
Stop Band
The region of the frequency spectrum attenuated by the
digital decimator’s filter to the degree specified by stop-band
attenuation.
Gain Error
With identical near full-scale inputs, the ratio of actual output
to expected output, expressed as a percentage.
Interchannel Gain Mismatch
With identical near full-scale inputs, the ratio of outputs of the
two stereo channels, expressed in decibels.
Gain Drift
Change in response to a near full-scale input with a change in
temperature, expressed as parts-per-million (ppm) per
°C.
Crosstalk (EIAJ Method)
Ratio of response on one channel with a grounded input to a
full-scale 1 kHz sine wave input on the other channel,
expressed in decibels.
Power Supply Rejection
With no analog input, signal present at the output when a
300 mV p-p signal is applied to the power supply pins,
expressed in decibels of full scale.
Group Delay
Intuitively, the time interval required for an input pulse to
appear at the converter’s output, expressed in microseconds.
More precisely, the derivative of radian phase with respect to
the radian frequency at a given frequency.
Group Delay Variation
The difference in group delays at different input frequencies.
Specified as the difference between the largest and the smallest
group delays in the pass band, expressed in microseconds.
ACRONYMS
ADC—Analog-to-Digital Converter.
DAC—Digital-to-Analog Converter.
DSP—Digital Signal Processor.
IMCLK—Internal Master Clock Signal Used to Clock the ADC
and DAC Engines.
MCLK—External Master Clock Signal Applied to the AD1838A.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD1838AASZ-REEL | 功能描述:IC CODEC 2ADC/6DAC 24 BIT 52MQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標準包裝:2,500 系列:- 類型:立體聲音頻 數(shù)據(jù)接口:串行 分辨率（位）:18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比，標準 ADC / DAC (db):81.5 / 88 動態(tài)范圍，標準 ADC / DAC (db):82 / 87.5 電壓 - 電源，模擬:2.6 V ~ 3.3 V 電壓 - 電源，數(shù)字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應商設(shè)備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR) |
| AD1838AS | 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 6DAC 24-Bit 52-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD1838AS-REEL | 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 6DAC 24-Bit 52-Pin MQFP T/R 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| AD1839 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2 ADC, 6 DAC, 96 kHz, 24-Bit sigma-delta Codec |
| AD1839A | 制造商:AD 制造商全稱:Analog Devices 功能描述:2 ADC, 6 DAC, 96 kHz, 24-Bit Sigma-Delta Codec |
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