參數(shù)資料
型號(hào): AD9246BCPZ-105
廠商: Analog Devices Inc
文件頁(yè)數(shù): 42/44頁(yè)
文件大?。?/td> 0K
描述: IC ADC 14BIT 105MSPS 48-LFCSP
設(shè)計(jì)資源: Using AD8376 to Drive Wide Bandwidth ADCs for High IF AC-Coupled Appls (CN0002)
Driving AD9233/46/54 ADCs in AC-Coupled Baseband Appls (CN0051)
標(biāo)準(zhǔn)包裝: 1
位數(shù): 14
采樣率(每秒): 105M
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 3
功率耗散(最大): 350mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 48-LFCSP-VQ(7x7)
包裝: 托盤
輸入數(shù)目和類型: 2 個(gè)單端,單極;1 個(gè)差分,單極
AD9246
Rev. A | Page 7 of 44
SWITCHING SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 2.5 V, unless otherwise noted.
Table 4.
AD9246BCPZ-80
AD9246BCPZ-105
AD9246BCPZ-125
Parameter1
Temp
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
CLOCK INPUT PARAMETERS
Conversion Rate, DCS Enabled
Full
20
80
20
105
20
125
MSPS
Conversion Rate, DCS Disabled
Full
10
80
10
105
10
125
MSPS
CLK Period
Full
12.5
9.5
8
ns
CLK Pulse Width High, DCS Enabled
Full
3.75
6.25
8.75
2.85
4.75
6.65
2.4
4
5.6
ns
CLK Pulse Width High, DCS Disabled
Full
5.63
6.25
6.88
4.28
4.75
5.23
3.6
4
4.4
ns
DATA OUTPUT PARAMETERS
Data Propagation Delay (tPD)2
Full
3.1
3.9
4.8
3.1
3.9
4.8
3.1
3.9
4.8
ns
DCO Propagation Delay (tDCO)
Full
4.4
ns
Setup Time (tS)
Full
4.9
5.7
3.4
4.3
2.6
3.5
ns
Hold Time (tH)
Full
5.9
6.8
4.4
5.3
3.7
4.5
ns
Pipeline Delay (Latency)
Full
12
cycles
Aperture Delay (tA)
Full
0.8
ns
Aperture Uncertainty (Jitter, tJ)
Full
0.1
ps rms
Wake-Up Time3
Full
350
μs
OUT-OF-RANGE RECOVERY TIME
Full
2
3
Cycles
SERIAL PORT INTERFACE4
SCLK Period (tCLK)
Full
40
ns
SCLK Pulse Width High Time (tHI)
Full
16
ns
SCLK Pulse Width Low Time (tLO)
Full
16
ns
SDIO to SCLK Setup Time (tDS)
Full
5
ns
SDIO to SCLK Hold Time (tDH)
Full
2
ns
CSB to SCLK Setup Time (tS)
Full
5
ns
CSB to SCLK Hold Time (tH)
Full
2
ns
1 See AN-835, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
2 Output propagation delay is measured from CLK 50% transition to DATA 50% transition, with 5 pF load.
3 Wake-up time is dependent on the value of the decoupling capacitors, values shown with 0.1 μF capacitor across REFT and REFB.
TIMING DIAGRAM
CLK+
DCO
DATA
N
N+ 1
N+ 2
N+ 3
N+ 4
N+ 5
N+ 6
N+ 7
N+ 8
N – 12
N – 11
N – 10
N – 9
N – 8
N – 7
N – 6
N – 5
N – 4
N – 13
CLK–
tCLK
tPD
tS
tH
tDCO
tCLK
tA
05
49
1-
0
02
Figure 2. Timing Diagram
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