參數(shù)資料
型號(hào): AD10226
廠商: Analog Devices, Inc.
英文描述: Dual-Channel, 12-Bit 125 MSPS IF Sampling A/D Converter
中文描述: 雙通道,12位125 MSPS的中頻采樣的A / D轉(zhuǎn)換器
文件頁數(shù): 3/20頁
文件大?。?/td> 976K
代理商: AD10226
REV. 0
–3–
AD10226
Test
Level
Parameter
Temp
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
Signal-to-Noise Ratio (SNR)
9
(Without Harmonics)
f
IN
= 10.3 MHz
f
IN
= 49 MHz
f
IN
= 71 MHz
f
IN
= 121 MHz
f
IN
= 250 MHz
Signal-to-Noise Ratio (SINAD)
10
(With Harmonics)
f
IN
= 10.3 MHz
f
IN
= 49 MHz
f
IN
= 71 MHz
f
IN
= 121 MHz
f
IN
= 250 MHz
Spurious-Free Dynamic Range
11
f
IN
= 10 MHz
f
IN
= 41 MHz
f
IN
= 71 MHz
f
IN
= 121 MHz
f
IN
= 250 MHz
Two-Tone Intermodulation
Distortion
12
(IMD)
f
IN
= 29.3 MHz; f
IN
= 30.3 MHz
f
IN
= 150 MHz; f
IN
= 151 MHz
Channel-to-Channel Isolation
13
f
IN
= 121 MHz
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
I
V
I
V
V
66.5
68.5
67
66
64
60
dBFS
dBFS
dBFS
dBFS
dBFS
63
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
I
V
I
V
V
65.5
68
66.5
65
62.5
59.5
dBFS
dBFS
dBFS
dBFS
dBFS
62.5
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
I
V
I
V
V
76.5
82
77
72
71
70
dBFS
dBFS
dBFS
dBFS
dBFS
66
25
°
C
25
°
C
V
V
78
70
dBc
dBc
Full
IV
85
dB
NOTES
All ac specifications tested by driving ENCODE and
ENCODE
differentially, with the analog input applied to A
IN
X1 and A
IN
X2 tied to ground.
2
SFDR enabled (SFDR = 1) for DNL and INL specifications.
3
Gain error measured at 10.3 MHz.
4
Input VSWR, see TPC 14.
5
See Figure 1, Timing Diagram.
6
t
and t
are measured from the transition points of the ENCODE input to the 50%/50% levels of the digital outputs swing. The digital output load during
test is not to exceed an ac load of 10 pF or a dc current of
±
40 A.
7
Supply voltages should remain stable within
±
5% for normal operation.
8
Power dissipation measures with encode at rated speed.
9
Analog input signal power at –1 dBFS; signal-to-noise (SNR) is the ratio of signal level to total noise (first six harmonics removed). ENCODE = 125 MSPS,
SFDR mode = 1. SNR is reported in dBFS, related back to converter full-scale.
10
Analog input signal power at –1 dBFS; signal-to-noise and distortion (SINAD) is the ratio of signal level to total noise + harmonics. ENCODE = 125 MSPS.
SINAD is reported in dBFS, related back to converter full-scale.
11
Analog input signal equals –1 dBFS; SFDR is ratio of converter full-scale to worst spur.
12
Both input tones at –7 dBFS; two-tone intermodulation distortion (IMD) rejection is the ratio of either tone to the worst third order intermod product.
13
Channel-to-channel isolation tested with A channel/50
terminated (A
IN
A2) grounded and a full-scale signal applied to B channel (A
IN
B2).
Specifications subject to change without notice.
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