參數(shù)資料
型號: AD9231BCPZRL7-80
廠商: Analog Devices Inc
文件頁數(shù): 34/36頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 80MSPS 64LFCSP
標(biāo)準(zhǔn)包裝: 750
位數(shù): 12
采樣率(每秒): 80M
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 166.5mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 64-LFCSP-VQ(9x9)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個(gè)單端,單極;2 個(gè)差分,單極
AD9231
Rev. A | Page 7 of 36
SWITCHING SPECIFICATIONS
AVDD = 1.8 V; DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = 1.0 dBFS,
DCS disabled, unless otherwise noted.
Table 4.
AD9231-20/AD9231-40
AD9231-65
AD9231-80
Parameter
Temp
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
CLOCK INPUT PARAMETERS
Input Clock Rate
Full
625
MHz
Conversion Rate1
Full
3
20/40
3
65
3
80
MSPS
CLK Period—Divide-by-1 Mode (tCLK)
Full
50/25
15.38
12.5
ns
CLK Pulse Width High (tCH)
25.0/12.5
7.69
6.25
ns
Aperture Delay (tA)
Full
1.0
ns
Aperture Uncertainty (Jitter, tJ)
Full
0.1
ps rms
DATA OUTPUT PARAMETERS
Data Propagation Delay (tPD)
Full
3
ns
DCO Propagation Delay (tDCO)
Full
3
ns
DCO to Data Skew (tSKEW)
Full
0.1
ns
Pipeline Delay (Latency)
Full
9
Cycles
Wake-Up Time2
Full
350
μs
Standby
Full
600/400
300
260
ns
OUT-OF-RANGE RECOVERY TIME
Full
2
Cycles
1 Conversion rate is the clock rate after the CLK divider.
2 Wake-up time is dependent on the value of the decoupling capacitors.
tPD
tSKEW
tCH
tDCO
tCLK
N – 9
N – 1
N + 1
N + 2
N + 3
N + 5
N + 4
N
N – 8N – 7N – 6N – 5
VIN
CLK+
CLK–
CH A/CH B DATA
DCOA/DCOB
tA
08
12
1-
00
2
Figure 2. CMOS Output Data Timing
tPD
tSKEW
tCH
tDCO
tCLK
CH A
N – 9
CH B
N – 9
CH A
N – 8
CH B
N – 8
CH A
N – 7
CH B
N – 7
CH A
N – 6
CH B
N – 6
CH A
N – 5
N – 1
N + 1
N + 2
N + 3
N + 5
N + 4
N
VIN
CLK+
CLK–
CH A/CH B DATA
DCOA/DCOB
tA
08
12
1-
00
3
Figure 3. CMOS Interleaved Output Timing
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