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参数资料
| 型号： | AD1895AYRSZRL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 12/24页 |
| 文件大小： | 0K |
| 描述： | IC SAMP-RATEHP/CONV 24BIT 28SSOP |
| 标准包装： | 1,500 |
| 类型： | 采样率转换器 |
| 应用： | 车载音频，接收器，机顶盒 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 带卷 (TR) |
REV. B
–2–
AD1895–SPECIFICATIONS
TEST CONDITIONS, UNLESS OTHERWISE NOTED.
Supply Voltages
VDD_CORE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3 V
VDD_IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.0 V or 3.3 V
Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
°C
Input Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30.0 MHz
Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . .
1.000 kHz, 0 dBFS
Measurement Bandwidth . . . . . . . . . . . . . . . . . . 20 to fS_OUT/2 Hz
Word Width
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Bits
Load Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 pF
Input Voltage High . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4 V
Input Voltage Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8 V
DIGITAL PERFORMANCE (VDD_CORE = 3.3 V
5%, VDD_IO = 5.0 V
10%)
Parameter
Min
Typ
Max
Unit
RESOLUTION
24
Bits
SAMPLE RATE @ MCLK_IN = 30 MHz
6
215
kHz
SAMPLE RATE (@ OTHER MASTER CLOCKS)
1
MCLK_IN/5000
≤ f
S_MAX < MCLK_IN/138
kHz
SAMPLE RATE RATIOS
Upsampling
1:8
Downsampling
7.75:1
DYNAMIC RANGE
2
(20 Hz to fS_OUT/2, 1 kHz, –60 dBFS Input) A-Weighted
44.1 kHz: 48 kHz
128
dB
48 kHz: 44.1 kHz
128
dB
48 kHz: 96 kHz
128
dB
44.1 kHz: 192 kHz
128
dB
96 kHz: 48 kHz
127
dB
192 kHz: 32 kHz
127
dB
(20 Hz to fS_OUT/2, 1 kHz, –60 dBFS Input) No Filter
44.1 kHz: 48 kHz
125
dB
48 kHz: 44.1 kHz
125
dB
48 kHz: 96 kHz
125
dB
44.1 kHz: 192 kHz
125
dB
96 kHz: 48 kHz
124
dB
192 kHz: 32 kHz
124
dB
TOTAL HARMONIC DISTORTION + NOISE
2
(20 Hz to fS_OUT/2, 1 kHz, 0 dBFS Input) No Filter
Worst-Case (48 kHz: 96 kHz)
3
–115
dB
44.1 kHz: 48 kHz
–120
dB
48 kHz: 44.1 kHz
–119
dB
48 kHz: 96 kHz
–118
dB
44.1 kHz: 192 kHz
–120
dB
96 kHz: 48 kHz
–122
dB
192 kHz: 32 kHz
–122
dB
INTERCHANNEL GAIN MISMATCH
0.0
dB
INTERCHANNEL PHASE DEVIATION
0.0
Degrees
MUTE ATTENUATION (24 BITS WORD WIDTH)(A-WEIGHT)
–127
dB
NOTES
1Lower sampling rates than those given by this formula are possible, but the jitter rejection will decrease.
2Refer to the Typical Performance Characteristics section for DNR and THD + N numbers over a wide range of input and output sample rates.
3For any other ratio, minimum THD + N will be better than –115 dB. Please refer to detailed performance plots.
Specifications subject to change without notice.
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