參數(shù)資料
型號： AD9054A
廠商： Analog Devices, Inc.
英文描述： 8-Bit, 200 MSPS A/D Converter
中文描述： 8位，200 MSPS的A / D轉(zhuǎn)換
文件頁數(shù)： 3/19頁
文件大小： 332K
代理商： AD9054A
–3–
REV. B
AD9054A
Test
Level
AD9054ABST-200
Min
Typ
AD9054ABST-135
Min
Typ
Parameter
Temp
Max
Max
Unit
POWER SUPPLY
V
DD
Supply Current (I
DD
)
Power Dissipation
5, 6
Power Supply Sensitivity
7
Full
Full
+25
°
C
VI
VI
I
128
640
0.005
145
725
0.015
120
600
0.005
140
700
0.015
mA
mW
V/V
DYNAMIC PERFORMANCE
8
Transient Response
Overvoltage Recovery Time
Signal-to-Noise Ratio (SNR)
(Without Harmonics)
f
IN
= 19.7 MHz
+25
°
C
+25
°
C
V
V
1.5
1.5
1.5
1.5
ns
ns
+25
°
C
Full
+25
°
C
Full
+25
°
C
Full
IV
V
I
V
I
V
42
45
45
45
45
45
45
42
45
45
45
45
dB
dB
dB
dB
dB
dB
f
IN
= 49.7 MHz
42
42
f
IN
= 70.1 MHz
42
Signal-to-Noise Ratio (SINAD)
(With Harmonics)
f
IN
= 19.7 MHz
+25
°
C
Full
+25
°
C
Full
+25
°
C
Full
IV
V
I
V
I
V
40
43
43
43
43
42
42
40
43
43
43
43
dB
dB
dB
dB
dB
dB
f
IN
= 49.7 MHz
40
40
f
IN
= 70.1 MHz
39
Effective Number of Bits
f
IN
= 19.7 MHz
f
IN
= 49.7 MHz
f
IN
= 70.1 MHz
2nd Harmonic Distortion
f
IN
= 19.7 MHz
f
IN
= 49.7 MHz
f
IN
= 70.1 MHz
3rd Harmonic Distortion
f
IN
= 19.7 MHz
f
IN
= 49.7 MHz
f
IN
= 70.1 MHz
Two-Tone Intermod Distortion
(IMD)
f
IN
= 19.7 MHz
f
IN
= 49.7 MHz
f
IN
= 70.1 MHz
+25
°
C
+25
°
C
+25
°
C
IV
I
I
6.35
6.35
6.18
6.85
6.85
6.85
6.35
6.35
6.85
6.85
Bits
Bits
Bits
+25
°
C
+25
°
C
+25
°
C
IV
I
I
58
54
49
63
59
55
58
54
63
59
dBc
dBc
dBc
+25
°
C
+25
°
C
+25
°
C
IV
I
I
48
48
43
56
54
50
48
48
56
54
dBc
dBc
dBc
+25
°
C
+25
°
C
+25
°
C
V
V
V
60
55
50
60
55
dBc
dBc
dBc
NOTES
1
Gain error and gain temperature coefficient are based on the ADC only (with a fixed +2.5 V external reference).
2
3 dB bandwidth with full-power input signal.
3
t
V
and t
PD
are measured from the threshold crossing of the ENCODE input to valid TTL levels of the digital outputs. The output ac load during test is 5 pF (Refer to
equivalent circuits Figures 5 and 6).
4
I
IH
and I
IL
are valid for differential input voltages of less than 1.5 V. At higher differential voltages, the input current will increase to a maximum of 1.5 mA.
5
Power dissipation is measured under the following conditions: analog input is –1 dBFS at 19.7 MHz.
6
Typical thermal impedance for the ST-44 (LQFP) 44-lead package (in still air):
θ
JC
= 20
°
C/W,
θ
CA
= 35
°
C/W,
θ
JA
= 55
°
C/W.
7
A change in input offset voltage with respect to a change in V
DD
.
8
SNR/harmonics based on an analog input voltage of –1.0 dBFS referenced to a 1.024 V full-scale input range.
Specifications subject to change without notice.
EXPLANATION OF TEST LEVELS
Test Level
I.
100% production tested.
II. 100% production tested at +25
°
C and sample tested at
specified temperatures.
III. Sample tested only.
IV. Parameter is guaranteed by design and characterization testing.
V. Parameter is a typical value only.
VI. 100% production tested at +25
°
C; guaranteed by design
and characterization testing for industrial temperature range.
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