TA = 25°C, unless otherwise noted.
參數(shù)資料
型號： LTC2268IUJ-14#TRPBF
廠商： Linear Technology
文件頁數(shù)： 6/32頁
文件大?。?/td> 0K
描述： IC ADC 14BIT 125MSPS DUAL 40QFN
標(biāo)準(zhǔn)包裝： 2,000
位數(shù)： 14
采樣率（每秒）： 125M
數(shù)據(jù)接口： Serial LVDS
轉(zhuǎn)換器數(shù)目： 2
功率耗散（最大）： 364mW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 40-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 40-QFN（6x6）
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 2 Differential; 2 Single-Ended
配用： DC1371A-ND - BOARD USB DATA ACQUISITION HS
LTC2268-14/
LTC2267-14/LTC2266-14
14
22687614fa
TA = 25°C, unless otherwise noted.
Typical perForMance characTerisTics
OUTPUT CODE
0
–2.0
–0.5
–1.0
–1.5
INL
ERROR
(LSB)
0
0.5
1.0
1.5
2.0
4096
8192
12288
16384
226814 G41
OUTPUT CODE
0
–1.0
–0.4
–0.2
–0.6
–0.8
DNL
ERROR
(LSB)
0
0.4
0.2
0.6
0.8
1.0
4096
8192
12288
16384
226814 G42
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
20
30
40
226814 G43
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
20
30
40
226814 G44
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
20
30
40
226814 G45
LTC2266-14: Integral
Nonlinearity (INL)
LTC2266-14: Differential
Nonlinearity (DNL)
LTC2266-14: 8k Point FFT,
fIN = 5MHz, –1dBFS, 80Msps
LTC2266-14: 8k Point FFT,
fIN = 30MHz, –1dBFS, 80Msps
LTC2266-14: 8k Point FFT,
fIN = 70MHz, –1dBFS, 80Msps
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
20
30
40
226814 G46
LTC2266-14: 8k Point FFT,
fIN = 140MHz, –1dBFS, 80Msps
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
20
30
40
226814 G47
OUTPUT CODE
8184
1000
0
3000
2000
COUNT
4000
5000
6000
8186
8188
8190
8192
226814 G48
LTC2266-14: 8k Point 2-Tone FFT,
fIN = 70MHz, 75MHz, –1dBFS,
80Msps
LTC2266-14:
Shorted Input Histogram
SENSE PIN (V)
0.6
71
68
69
70
67
66
72
73
74
SNR
(dBFS)
0.7
0.8
0.9
1.1
1.2
1.3
1
226814 G35
LTC2267-14: SNR vs SENSE,
fIN = 5MHz, –1dB
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