參數(shù)資料
型號: ADAU1966WBSTZ
廠商: Analog Devices Inc
文件頁數(shù): 34/52頁
文件大?。?/td> 0K
描述: IC DAC 24BIT SPI/I2C 192K 80LQFP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 24
數(shù)據(jù)接口: I²C,串行,SPI?
轉(zhuǎn)換器數(shù)目: 16
電壓電源: 模擬和數(shù)字
功率耗散(最大): 511mW
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-LQFP(14x14)
包裝: 托盤
輸出數(shù)目和類型: 16 電壓,單極
采樣率(每秒): *
ADAU1966
Data Sheet
Rev. D | Page 4 of 52
SPECIFICATIONS
Performance of all channels is identical, exclusive of the interchannel gain mismatch and interchannel phase deviation specifications.
Master clock = 12.288 MHz (48 kHz fS, 256 × fS mode), input sample rate = 48 kHz, measurement bandwidth = 20 Hz to 20 kHz, word
width = 24 bits, load capacitance (digital output) = 20 pF, load current (digital output) = ±1 mA or 1.5 k to DVDD supply, input
voltage high = 2.0 V, input voltage low = 0.8 V, analog audio output resistive load = 3100 Ω per pin, unless otherwise noted.
ANALOG PERFORMANCE SPECIFICATIONS
Specifications guaranteed at AVDDx = 5 V and an ambient temperature of 25°C. Supply voltages = AVDDx = 5 V, DVDD = 2.5 V,
ambient temperature1 (TA) = 25°C, unless otherwise noted.
Table 1.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
DIGITAL-TO-ANALOG CONVERTERS
Dynamic Range
20 Hz to 20 kHz, 60 dB input
No Filter (RMS)
105
115.5
dB
With A-Weighted Filter (RMS)
108
118
dB
Total Harmonic Distortion + Noise
0 dBFS
90
dB
Two channels running, 1 dBFS
98
dB
16 channels running, 1 dBFS
98
85
dB
Full-Scale Differential Output Voltage
3.00 (±8.49)
V rms (V p-p)
Gain Error
10
+10
%
Offset Error
25
6
+25
mV
Gain Drift
30
+30
ppm/°C
Interchannel Isolation
100
dB
Interchannel Phase Deviation
0
Degrees
Volume Control Step
0.375
dB
Volume Control Range
95.25
dB
De-emphasis Gain Error
±0.6
dB
Output Resistance at Each Pin
33
REFERENCE VOLTAGES
Temperature Sensor Reference Voltage
TS_REF pin
1.50
V
Common-Mode Reference Output
CM pin
2.14
2.25
2.29
V
External Reference Voltage Source
CM pin
2.25
V
TEMPERATURE SENSOR
Temperature Accuracy
3
+3
°C
Temperature Readout Range
60
+140
°C
Temperature Readout Step Size
1
°C
Temperature Sample Rate
0.25
6
Hz
REGULATOR
Input Supply Voltage
VSUPPLY pin
3.0
5
5.5
V
Regulated Output Voltage
VSENSE pin
2.26
2.50
2.59
V
1
Functionally guaranteed at 40°C to +125°C case temperature.
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