參數(shù)資料
型號: LTC2274IUJ#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 1-CH 16-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PQCC40
封裝: 6 X 6 MM, PLASTIC, QFN-40
文件頁數(shù): 39/40頁
文件大小: 897K
代理商: LTC2274IUJ#TR
LTC2274
8
2274fb
TYPICAL PERFORMANCE CHARACTERISTICS
Differential Non-Linearity (DNL)
vs Output Code
AC Grounded Input Histogram
128k Point FFT, fIN = 4.93MHz,
–1dBFS, PGA = 0
64k Point FFT, fIN = 14.8MHz,
–1dBFS, PGA = 0
64k Point FFT, fIN = 14.8MHz,
–10dBFS, PGA = 0
SFDR vs Input Level, fIN =
15MHz, PGA = 0, Dither “On”
64k Point 2-Tone FFT,
fIN = 14.2MHz and 15.8MHz,
–7dBFS, PGA = 0
Integral Non-Linearity (INL)
vs Output Code
SFDR vs Input Level, fIN =
15MHz, PGA = 0, Dither “Off”
OUTPUT CODE
0
INL
ERROR
(LSB)
16384
32768
49152
2274
G01
65536
–2.0
–1.5
–1.0
–0.5
0.0
0.5
1.0
1.5
2.0
OUTPUT CODE
0
DNL
ERROR
(LSB)
16384
32768
49152
2274
G02
65536
–1.0
–0.8
–0.6
–0.4
–0.2
0.0
0.2
0.4
0.6
0.8
1.0
OUTPUT CODE
32777
COUNT
32787
32797
2274
G03
32807
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
10
20
30
40
50
2274
G04
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
10
20
30
40
50
2274
G05
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
10
20
30
40
50
2274
G06
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
10
20
30
40
50
2274
G09
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
INPUT LEVEL (dBFS)
–80
SF
DR
(d
Bc
AND
d
B
FS
)
–70 –60 –50 –40 –30 –20 –10
0
2274
G07
30
40
50
60
70
80
90
100
110
120
130
140
INPUT LEVEL (dBFS)
–80
SF
DR
(d
Bc
AND
d
B
FS
)
–70 –60 –50 –40 –30 –20 –10
0
2274
G08
30
40
50
60
70
80
90
100
110
120
130
140
VDD = 3.3V, OVDD = 1.5V, TA = 25°C, FS = 105Msps,
unless otherwise noted.
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