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參數(shù)資料
型號: ADSP-BF526KBCZ-4C2
廠商: Analog Devices Inc
文件頁數(shù): 14/36頁
文件大小: 0K
描述: IC DSP CTRLR 400MHZ 289CSPBGA
標(biāo)準(zhǔn)包裝: 1
系列: Blackfin®
類型: 定點(diǎn)
接口: DMA,以太網(wǎng),I²C,PPI,SPI,SPORT,UART,USB
時(shí)鐘速率: 400MHz
非易失內(nèi)存: ROM(32 kB)
芯片上RAM: 132kB
電壓 - 輸入/輸出: 1.8V,2.5V,3.3V
電壓 - 核心: 1.30V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 289-LFBGA,CSPBGA
供應(yīng)商設(shè)備封裝: 289-CSPBGA(12x12)
包裝: 托盤
ADSP-BF522C/ADSP-BF523C/ADSP-BF524C/ADSP-BF525C/ADSP-BF526C/ADSP-BF527C
Rev. A
|
Page 21 of 36
|
March 2010
SPECIFICATIONS
TAmbient = 25°C, AVDD = VDDEXT = 3.3 V, HPVDD = 3.3 V,
1 kHz signal, fS = 48 kHz, PGA gain = 0 dB, 24-bit audio data,
unless otherwise noted.
OPERATING CONDITIONS
See operating conditions in the published ADSP-BF52xC
data sheet.
CODEC ELECTRICAL CHARACTERISTICS
Parameter
Conditions
Min
Typical
Max Unit
AVDD1
1.8
3.3
3.6
V
HPVDD
1.8
3.3
3.6
V
1 Note that AVDD must equal HPVDD.
Parameter
Conditions
Min
Typical
Max
Unit
Line Input
Input Signal Level (0 dB)
AVDD/3.3
V(rms)
Input Impedance
PGA gain = 0 dB
200
k
Ω
PGA gain = +33 dB
10
k
Ω
PGA gain = –34.5 dB
480
k
Ω
Input Capacitance
10
pF
Signal-to-Noise Ratio (A-Weighted)
PGA gain = 0 dB, AVDD = 3.3 V
82
87
dB
PGA gain = 0 dB, AVDD = 1.8 V
84
dB
Total Harmonic Distortion (THD)
–1 dBFS input, AVDD = 3.3 V
–80
–84
dB
–1 dBFS input, AVDD = 1.8 V
–71
–60
dB
Channel Separation1
80
dB
Programmable Gain
–34.5 0
+33.5 dB
Gain Step
1.5
dB
Mute Attenuation
–80
dB
Microphone Input
Input Signal Level
1V(rms)
Signal-to-Noise Ratio (A-Weighted)
Microphone gain = 0 dB (RSOURCE = 40 k
Ω)85
dB
Total Harmonic Distortion
–1 dBFS input, 0 dB gain, AVDD = 3.3 V
–75
dB
–1 dBFS input, 0 dB gain, AVDD = 1.8 V
–65
dB
Power Supply Rejection Ratio
50
dB
Mute Attenuation
80
dB
Input Resistance
10
k
Ω
Input Capacitance
10
pF
Microphone Bias
Bias Voltage
0.75 × AVDD
V
Bias Current Source
3mA
Noise in the Signal Bandwidth
20 Hz to 20 kHz
40
nV/
√Hz
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