AVDD = 3 V, DRVDD = 2.5 V, maximum sample rate, CLK_A = CLK_B; A
參數(shù)資料
型號： AD9248BSTZRL-65
廠商： Analog Devices Inc
文件頁數(shù)： 44/48頁
文件大?。?/td> 0K
描述： IC ADC 14BIT DUAL 65MSPS 64LQFP
標(biāo)準(zhǔn)包裝： 2,000
位數(shù)： 14
采樣率（每秒）： 65M
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 2
功率耗散（最大）： 600mW
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： 64-LQFP
供應(yīng)商設(shè)備封裝： 64-LQFP（7x7）
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
AD9248
Rev. B | Page 5 of 48
AC SPECIFICATIONS
AVDD = 3 V, DRVDD = 2.5 V, maximum sample rate, CLK_A = CLK_B; AIN = 0.5 dBFS differential input, 1.0 V external reference,
TMIN to TMAX, DCS Enabled, unless otherwise noted.
Table 2.
Test
AD9248BST/BCP-20
AD9248BST/BCP-40
AD9248BST/BCP-65
Parameter
Temp
Level
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
SIGNAL-TO-NOISE RATIO (SNR)
fINPUT = 2.4 MHz
Full
V
73.4
73.1
72.8
dB
25°C
IV
73.1
73.7
72.8
73.4
72.3
73.1
dB
fINPUT = 9.7 MHz
Full
V
72.9
dB
25°C
IV
72.4
73.1
dB
fINPUT = 19.6 MHz
Full
V
72.7
dB
25°C
IV
72.3
72.9
dB
fINPUT = 35 MHz
Full
V
71.5
dB
25°C
IV
71.2
71.6
dB
fINPUT = 100 MHz
25°C
V
70
69.5
69.0
dB
SIGNAL-TO-NOISE AND DISTORTION
RATIO (SINAD)
fINPUT = 2.4 MHz
Full
V
73.0
72.8
72.5
dB
25°C
IV
72.2
73.2
72.0
73.0
71.7
72.7
dB
fINPUT = 9.7 MHz
Full
V
72.0
dB
25°C
IV
70.9
72.2
dB
fINPUT = 19.6 MHz
Full
V
72.1
dB
25°C
IV
71.0
72.3
dB
fINPUT = 35 MHz
Full
V
70.9
dB
25°C
IV
70.0
71.0
dB
fINPUT = 100 MHz
25°C
V
69.5
69.0
68.5
dB
EFFECTIVE NUMBER OF BITS (ENOB)
fINPUT = 2.4 MHz
Full
V
11.8
Bits
25°C
IV
11.7
11.8
11.7
11.8
11.6
11.8
Bits
fINPUT = 9.7 MHz
Full
V
11.7
Bits
25°C
IV
11.5
11.7
Bits
fINPUT = 19.6 MHz
Full
V
11.7
Bits
25°C
IV
11.5
11.7
Bits
fINPUT = 35 MHz
Full
V
11.5
Bits
25°C
IV
11.3
11.5
Bits
fINPUT = 100 MHz
25°C
V
11.3
11.2
Bits
WORST HARMONIC (SECOND or THIRD)
fINPUT = 2.4 MHz
Full
V
86.0
85.0
84.0
dBc
25°C
IV
77.5
87.5
77.5
86.0
77.5
86.0
dBc
fINPUT = 9.7 MHz
Full
V
83.0
dBc
25°C
I
76.1
84.0
dBc
fINPUT = 19.6 MHz
Full
V
83.0
dBc
25°C
I
76.0
84.0
dBc
fINPUT = 35 MHz
Full
V
80.0
dBc
25°C
I
73.0
80.5
dBc
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