參數(shù)資料
型號： AD9248BST-40
廠商： ANALOG DEVICES INC
元件分類： ADC
英文描述： 14-Bit, 20/40/65 MSPS Dual A/ D Converter
中文描述： DUAL 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP64
封裝： MS-026BBD, LQFP-64
文件頁數(shù)： 7/23頁
文件大?。?/td> 419K
代理商： AD9248BST-40
Preliminary Technical Data
AD9248
AC SPECIFICATIONS
Table 4. (AVDD = 3 V, DRVDD = 2.5 V, Maximum Sample Rate, CLK_A = CLK_B; AIN = –0.5 dBFS Differential Input, 1.0 V
Internal Reference, TMIN to TMAX, unless otherwise noted.)
Test
AD9248BST/BCP-
Rev. PrE | Page 7 of 23
20
AD9248BST/BCP-
40
Min
Typ
73
72
tbd
72
70
AD9248BST/BCP-
65
Min
Typ
73
72
tbd
72
70
Parameter
SIGNAL-TO-NOISE RATIO
f
INPUT
= 2.4 MHz
f
INPUT
= 9.7 MHz
f
INPUT
= 19.6 MHz
f
INPUT
= 32.5 MHz
f
INPUT
= 100 MHz
SIGNAL-TO-NOISE AND
DISTORTION RATIO
f
INPUT
= 2.4 MHz
f
INPUT
= 9.7 MHz
f
INPUT
= 19.6 MHz
f
INPUT
= 32.5 MHz
f
INPUT
= 100 MHz
EFFECTIVE NUMBER OF BITS
(ENOB)
f
INPUT
= 2.4 MHz
f
INPUT
= 9.7 MHz
f
INPUT
= 19.6 MHz
f
INPUT
= 32.5 MHz
f
INPUT
= 100 MHz
TOTAL HARMONIC DISTORTION
f
INPUT
= 2.4 MHz
f
INPUT
= 9.7 MHz
f
INPUT
= 19.6 MHz
f
INPUT
= 32.5 MHz
f
INPUT
= 100 MHz
WORST HARMONIC (2nd or 3rd)
f
INPUT
= 9.7 MHz
f
INPUT
= 19.6 MHz
f
INPUT
= 32.5 MHz
SPURIOUS FREE DYNAMIC RANGE
Temp
25°C
Full
25°C
Full
25°C
Full
25°C
25°C
Level
V
V
IV
V
IV
V
IV
V
Min
tbd
Typ
73
73
73
70
Max
Max
Max
Unit
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
25°C
Full
25°C
Full
25°C
Full
25°C
25°C
V
V
IV
V
IV
V
IV
V
tbd
72.8
72
72
69.6
tbd
72.8
71.9
71.6
69.5
tbd
72.6
71.5
71
69.4
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
25°C
Full
25°C
Full
25°C
Full
25°C
25°C
25°C
Full
25°C
Full
25°C
Full
25°C
25°C
Full
Full
Full
V
V
IV
V
IV
V
IV
V
V
V
I
V
I
V
I
V
V
V
V
tbd
11.8
11.7
11.7
11.4
- 83.0
- 81.0
- 83.0
- 77.0
- 84.0
tbd
tbd
11.8
11.7
11.7
11.4
- 83.0
- 81.0
- 83.0
- 79.0
- 85.0
tbd
tbd
11.8
11.6
11.5
11.3
- 83.0
- 78.0
- 80.0
- 74.0
- 80.0
tbd
Bits
Bits
Bits
Bits
Bits
Bits
Bits
Bits
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
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