參數(shù)資料
型號: AD9240AS
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: Complete 14-Bit, 10 MSPS Monolithic A/D Converter
中文描述: 1-CH 14-BIT FLASH METHOD ADC, PARALLEL ACCESS, QFP44
封裝: MS-022AB-1, MQFP-44
文件頁數(shù): 3/24頁
文件大?。?/td> 328K
代理商: AD9240AS
AC SPECIFICATIONS
Parameter
SIGNAL-TO-NOISE AND DISTORTION RATIO (S/N+D)
f
INPUT
= 500 kHz
AD9240
Units
75.0
77.5
77.5
75.0
dB min
dB typ
dB typ
dB typ
f
INPUT
= 1.0 MHz
f
INPUT
= 5.0 MHz
EFFECTIVE NUMBER OF BITS (ENOB)
f
INPUT
= 500 kHz
12.2
12.6
12.6
12.2
Bits min
Bits typ
Bits typ
Bits typ
f
INPUT
= 1.0 MHz
f
INPUT
= 5.0 MHz
SIGNAL-TO-NOISE RATIO (SNR)
f
INPUT
= 500 kHz
76.0
78.5
78.5
78.5
dB min
dB typ
dB typ
dB typ
f
INPUT
= 1.0 MHz
f
INPUT
= 5.0 MHz
TOTAL HARMONIC DISTORTION (THD)
f
INPUT
= 500 kHz
–78.0
–85.0
–85.0
–77.0
dB max
dB typ
dB typ
dB typ
f
INPUT
= 1.0 MHz
f
INPUT
= 5.0 MHz
SPURIOUS FREE DYNAMIC RANGE
f
INPUT
= 500 kHz
f
INPUT
= 1.0 MHz
f
INPUT
= 5.0 MHz
DYNAMIC PERFORMANCE
Full Power Bandwidth
Small Signal Bandwidth
Aperture Delay
Aperture Jitter
Acquisition to Full-Scale Step (0.0025%)
Overvoltage Recovery Time
Specifications subject to change without notice.
90.0
90.0
80.0
dB typ
dB typ
dB typ
70
70
1
4
45
167
MHz typ
MHz typ
ns typ
ps rms typ
ns typ
ns typ
DIGITAL SPECIFICATIONS
Parameters
Symbol
AD9240
Units
CLOCK INPUT
High Level Input Voltage
Low Level Input Voltage
High Level Input Current (V
IN
= DVDD)
Low Level Input Current (V
IN
= 0 V)
Input Capacitance
V
IH
V
IL
I
IH
I
IL
C
IN
+3.5
+1.0
±
10
±
10
5
V min
V max
μ
A max
μ
A max
pF typ
LOGIC OUTPUTS (with DRVDD = 5 V)
High Level Output Voltage (I
OH
= 50
μ
A)
High Level Output Voltage (I
OH
= 0.5 mA)
Low Level Output Voltage (I
OL
= 1.6 mA)
Low Level Output Voltage (I
OL
= 50
μ
A)
Output Capacitance
V
OH
V
OH
V
OL
V
OL
C
OUT
+4.5
+2.4
+0.4
+0.1
5
V min
V min
V max
V max
pF typ
LOGIC OUTPUTS (with DRVDD = 3 V)
High Level Output Voltage (I
OH
= 50
μ
A)
Low Level Output Voltage (I
OL
= 50
μ
A)
V
OH
V
OL
+2.4
+0.7
V min
V max
Specifications subject to change without notice.
AD9240
REV. A
–3–
(AVDD
= +5 V, DVDD= +5 V, DRVDD = +5 V, f
SAMPLE
= 10 MSPS, R
BIAS
= 2 k
V
, VREF = 2.5 V, A
IN
= –0.5 dBFS,
AC Coupled/Differential Input, T
MIN
to T
MAX
unless otherwise noted)
(AVDD
= +5 V, DVDD
= +5 V, T
MIN
to T
MAX
unless otherwise noted)
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