Supply Voltages (AVDD
參數(shù)資料
型號(hào): AD1954YSTZ
廠商: Analog Devices Inc
文件頁數(shù): 23/36頁
文件大?。?/td> 0K
描述: IC DAC AUDIO 3CHAN 26BIT 48LQFP
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝: 1
系列: SigmaDSP®
位數(shù): 26
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 3
電壓電源: 模擬和數(shù)字
功率耗散(最大): 510mW
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 托盤
輸出數(shù)目和類型: 6 電壓,單極
采樣率(每秒): 48k
–3–
AD1954–SPECIFICATIONS
Test conditions, unless otherwise noted.
Supply Voltages (AVDD, DVDD)
5.0 V
Ambient Temperature
25°C
Input Clock
12.288 MHz
Input Signal
1.000 kHz 0 dB Full Scale
Input Sample Rate
48 kHz
Measurement Bandwidth
20 Hz to 20 kHz
Word Width
24 Bits
Load Capacitance
2200 pF
Load Impedance
2.74 k
Input Voltage High
2.1 V
Input Voltage Low
0.8 V
ANALOG PERFORMANCE*
Parameter
Min
Typ
Max
Unit
RESOLUTION
24
Bits
SIGNAL-TO-NOISE RATIO (20 Hz to 20 kHz) (Left/Right Output)
No Filter (Stereo)
109
dB
With A-Weighted Filter
112
dB
DYNAMIC RANGE (20 Hz to 20 kHz, –60 dB Input) (Left/Right Output)
No Filter
109
dB
With A-Weighted Filter
108
112
dB
TOTAL HARMONIC DISTORTION PLUS NOISE (Left/Right Output)
VO = –0.5 dB
–93
–100
dB
SIGNAL-TO-NOISE RATIO (20 Hz to 20 kHz) (Subwoofer Output)
No Filter (Stereo)
104
dB
With A-Weighted Filter
107
dB
DYNAMIC RANGE (20 Hz to 20 kHz, –60 dB Input) (Subwoofer Output)
No Filter
104
dB
With A-Weighted Filter
104
107
dB
TOTAL HARMONIC DISTORTION PLUS NOISE (Subwoofer Output)
VO = –0.5 dB
–90
–96
dB
ANALOG OUTPUTS
Differential Output Range (± Full Scale) (Left/Right Output)
2.74
V p-p
Differential Output Range (± Full Scale) (Subwoofer Output)
2.77
V p-p
CMOUT
2.50
V
DC ACCURACY
Gain Error (Left/Right Channel)
–5
+5
%
Gain Error (Subwoofer Channel)
–8
+8
%
Interchannel Gain Mismatch
–0.250
+0.250
dB
Gain Drift
150
ppm/°C
DC Offset
–30
+30
mV
INTERCHANNEL CROSSTALK (EIAJ Method)
–120
dB
INTERCHANNEL PHASE DEVIATION
±0.1
Degrees
MUTE ATTENUATION
–107
dB
DE-EMPHASIS GAIN ERROR
±0.1
dB
*Performance of right and left channels are identical (exclusive of the Interchannel Gain Mismatch and Interchannel Phase Deviation specifications).
Specifications subject to change without notice.
REV. A
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