參數(shù)資料
型號(hào): AD1955ARSZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 12/24頁(yè)
文件大?。?/td> 0K
描述: IC DAC AUDIO MULTIBIT 28-SSOP
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝: 47
位數(shù): 16,24
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 模擬和數(shù)字
功率耗散(最大): 210mW
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 28-SSOP
包裝: 管件
輸出數(shù)目和類(lèi)型: 4 電流,單極
采樣率(每秒): 192k
產(chǎn)品目錄頁(yè)面: 781 (CN2011-ZH PDF)
配用: EVAL-AD1955EBZ-ND - BOARD EVAL FOR AD1955
REV. 0
–2–
AD1955–SPECIFICATIONS
ANALOG PERFORMANCE
Parameter
Min
Typ
Max
Unit
Resolution
24
Bits
SIGNAL-TO-NOISE RATIO (20 Hz to 20 kHz)
*
Differential Output (A-Weighted, RMS) (Stereo)
120
114
dB
Differential Output (A-Weighted, RMS) (Mono)
123
dB
Single-Ended (A-Weighted, RMS) (Stereo)
119
dB
DYNAMIC RANGE (20 Hz to 20 kHz, –60 dB Input)
*
Differential Output (A-Weighted, RMS) (Stereo)
120
114
dB
Differential Output (A-Weighted, RMS) (Mono)
123
dB
Single-Ended (A-Weighted, RMS) (Stereo)
119
dB
Total Harmonic Distortion + Noise (Stereo) at 0 dBFS
–110
–102.5
dB
ANALOG OUTPUTS
Differential Output Range (Full Scale)
8.64
mA p-p
Output Capacitance at Each Output Pin
100
pF
Output Bias Current, Each Output
–3.24
mA
Out-of-Band Energy (0.5
fS to 100 kHz)
–90
dB
Reference Voltage
2.245
2.39
2.505
V
DC ACCURACY
Gain Error
±6%
Interchannel Gain Mismatch
0.01
0.26
dB
Gain Drift
25
ppm/
°C
Interchannel Crosstalk (EIAJ Method)
–125
dB
Interchannel Phase Deviation
±0.1
Degrees
Mute Attenuation
–100
dB
De-Emphasis Gain Error
±0.1
dB
*Measured with Audio Precision System Two Cascade in RMS Mode. Averaging Mode will show approximately 2 dB better performance.
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.
TEST CONDITIONS
(Unless otherwise noted.)
Analog Supply Voltages (AVDD) . . . . . . . . . . . . . . . . . . . . 5 V
Digital Supply Voltages (DVDD) . . . . . . . . . . . . . . . . . . . . 5 V
Reference Current (IREF) . . . . . . . . . . . . . . . . . . . . . 0.960 mA
Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
°C
Input Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.288 MHz
Input Signal . . . . . . . . . . . . . . . . . 984.375 Hz, 0 dB Full Scale
Input Sample Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 kHz
Measurement Bandwidth . . . . . . . . . . . . . . . . 20 Hz to 20 kHz
Word Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Bits
Load Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 pF
Load Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 k
Input Voltage HI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4 V
Input Voltage LO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8 V
(See figures. IREF = 0.960 mA, VBIAS = 2.80 V.)
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