參數(shù)資料
型號(hào)： AD9483
廠商： Analog Devices, Inc.
英文描述： Triple 8-Bit, 140 MSPS A/D Converter
中文描述： 三8位，140 MSPS的A / D轉(zhuǎn)換
文件頁(yè)數(shù)： 3/26頁(yè)
文件大小： 319K
代理商： AD9483
–3–
REV. A
AD9483
Test
Level
Min
AD9483KS-140
Typ
Min
AD9483KS-100
Typ
Parameter
Temperature
Max
Max
Units
SINGLE-ENDED INPUTS
HIGH Input Voltage (V
IH
)
LOW Input Voltage (V
IL
)
HIGH Level Current (I
IH
)
LOW Level Current (I
IL
)
DIGITAL OUTPUTS
Logic “1” Voltage
Logic “0” Voltage
Output Coding
Full
Full
Full
Full
IV
IV
VI
VI
2.0
0
V
CC
0.8
1
1
2.0
0
V
CC
0.8
1
1
V
V
mA
mA
Full
Full
VI
VI
V
DD
– 0.05
V
DD
– 0.05
V
V
0.05
0.05
Binary
Binary
POWER SUPPLY
V
CC
Supply Current
V
DD
Supply Current
Total Power Dissipation
4
Power-Down Supply Current
Power-Down Dissipation
DYNAMIC PERFORMANCE
5
Transient Response
Overvoltage Recovery Time
Signal-to-Noise Ratio (SNR)
(Without Harmonics)
f
IN
= 19.7 MHz
f
IN
= 49.7 MHz
f
IN
= 69.7 MHz
Signal-to-Noise Ratio (SINAD)
(With Harmonics)
f
IN
= 19.7 MHz
f
IN
= 49.7 MHz
f
IN
= 69.7 MHz
Effective Number of Bits
f
IN
= 19.7 MHz
f
IN
= 49.7 MHz
f
IN
= 69.7 MHz
2nd Harmonic Distortion
f
IN
= 19.7 MHz
f
IN
= 49.7 MHz
f
IN
= 69.7 MHz
3rd Harmonic Distortion
f
IN
= 19.7 MHz
f
IN
= 49.7 MHz
f
IN
= 69.7 MHz
Crosstalk
Full
Full
Full
+25
°
C
+25
°
C
VI
VI
VI
V
V
215
60
1.3
20
100
215
60
1.3
20
100
mA
mA
W
mA
mW
1.0
4
20
1.0
4
20
+25
°
C
+25
°
C
V
V
1.5
1.5
1.5
1.5
ns
ns
+25
°
C
+25
°
C
+25
°
C
V
I
V
45
44
44
45
44
44
dB
dB
dB
41
41
+25
°
C
+25
°
C
+25
°
C
V
I
V
44
43
42
44
43
42
dB
dB
dB
40
40
+25
°
C
+25
°
C
+25
°
C
V
I
V
7.0
6.8
6.8
7.0
6.8
6.8
Bits
Bits
Bits
6.4
6.4
+25
°
C
+25
°
C
+25
°
C
V
I
V
63
58
51
63
58
51
dBc
dBc
dBc
50
50
+25
°
C
+25
°
C
+25
°
C
Full
V
I
V
V
56
54
51
55
56
54
51
55
dBc
dBc
dBc
dB
46
46
NOTES
1
Gain error and gain temperature coefficient are based on the ADC only (with a fixed +2.5 V external reference).
2
t
V
and t
PDF
are measured from the threshold crossing of the ENCODE input to valid TTL levels at the digital outputs. The output ac load during test is 5 pF.
3
t
CV
and t
CPD
are measured from the threshold crossing of the ENCODE input to valid TTL levels at the digital outputs. The output ac load during test is 20 pF.
4
Measured under the following conditions: analog input is –1 dBFS at 19.7 MHz.
5
SNR/harmonics based on an analog input voltage of –1.0 dBFS referenced to a 1.024 V full-scale input range.
Typical thermal impedance for the S-100 (MQFP) 100-lead package:
θ
JC
= 10
°
C/W,
θ
CA
= 17
°
C/W,
θ
JA
= 27
°
C/W.
Specifications subject to change without notice.
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