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參數(shù)資料
| 型號： | AD1955ARSZRL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 12/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC AUDIO 16-24BIT 28SSOP |
| 產品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 1,500 |
| 位數(shù)： | 16，24 |
| 數(shù)據接口： | 串行 |
| 轉換器數(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 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SSOP（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 28-SSOP |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 4 電流，單極 |
| 采樣率（每秒）： | 192k |
| 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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