参数资料
型号: AD9258BCPZ-125
厂商: Analog Devices Inc
文件页数: 44/44页
文件大小: 0K
描述: IC ADC 14BIT 125MSPS DL 64LFCSP
设计资源: High Performance, Dual Channel IF Sampling Receiver (CN0140)
标准包装: 1
位数: 14
采样率(每秒): 125M
数据接口: 串行
转换器数目: 2
功率耗散(最大): 788mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘,CSP
供应商设备封装: 64-LFCSP-VQ(9x9)
包装: 托盘
输入数目和类型: 2 个差分,单极
AD9258
Rev. A | Page 9 of 44
SWITCHING SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = 1.0 dBFS differential input, 1.0 V internal reference, and DCS enabled, unless
otherwise noted.
Table 4.
AD9258BCPZ-80
AD9258BCPZ-105
AD9258BCPZ-125
Parameter
Temperature
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
CLOCK INPUT PARAMETERS
Input Clock Rate
Full
625
MHz
Conversion Rate1
DCS Enabled
Full
20
80
20
105
20
125
MSPS
DCS Disabled
Full
10
80
10
105
10
125
MSPS
CLK Period—Divide-by-1 Mode (tCLK)
Full
12.5
9.5
8
ns
CLK Pulse Width High (tCH)
Divide-by-1 Mode, DCS Enabled
Full
3.75
6.25
8.75
2.85
4.75
6.65
2.4
4
5.6
ns
Divide-by-1 Mode, DCS Disabled
Full
5.95
6.25
6.55
4.5
4.75
5.0
3.8
4
4.2
ns
Divide-by-2 Mode Through
Divide-by-8 Mode
Full
0.8
ns
Aperture Delay (tA)
Full
1.0
ns
Aperture Uncertainty (Jitter, tJ)
Full
0.07
ps
rms
DATA OUTPUT PARAMETERS
CMOS Mode
Data Propagation Delay (tPD)
Full
2.8
3.5
4.2
2.8
3.5
4.2
2.8
3.5
4.2
ns
DCO Propagation Delay (tDCO)2
Full
3.1
ns
DCO to Data Skew (tSKEW)
Full
0.6
0.4
0
0.6
0.4
0
0.6
0.4
0
ns
LVDS Mode
Data Propagation Delay (tPD
Full
2.9
3.7
4.5
2.9
3.7
4.5
2.9
3.7
4.5
ns
DCO Propagation Delay (tDCO)2
Full
3.9
ns
DCO to Data Skew (tSKEW)
Full
0.1
+0.2
+0.5
0.1
+0.2
+0.5
0.1
+0.2
+0.5
ns
CMOS Mode Pipeline Delay
(Latency)
Full
12
Cycles
LVDS Mode Pipeline Delay
(Latency) Channel A/Channel B
Full
12/12.5
Cycles
Wake-Up Time3
Full
500
μs
Out-of-Range Recovery Time
Full
2
Cycles
1 Conversion rate is the clock rate after the divider.
2 Additional DCO delay can be added by writing to Bit 0 through Bit 4 in SPI Register 0x17 (see Table 17).
3 Wake-up time is defined as the time required to return to normal operation from power-down mode.
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