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參數(shù)資料
型號: LTC2246CUH#TRPBF
廠商: Linear Technology
文件頁數(shù): 18/24頁
文件大?。?/td> 0K
描述: IC ADC 14BIT 25MSPS SAMPL 32-QFN
標準包裝: 2,500
位數(shù): 14
采樣率(每秒): 25M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 90mW
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 32-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(5x5)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個單端,雙極; 1 個差分,雙極
LTC2248/LTC2247/LTC2246
3
224876fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ – AIN–)
2.7V < VDD < 3.4V (Note 7)
±0.5V to ±1V
V
VIN,CM
Analog Input Common Mode (AIN+ + AIN–)/2
Differential Input (Note 7)
1
1.5
1.9
V
Single Ended Input (Note 7)
0.5
1.5
2
V
IIN
Analog Input Leakage Current
0V < AIN+, AIN– < VDD
–1
1
A
ISENSE
SENSE Input Leakage
0V < SENSE < 1V
–3
3
A
IMODE
MODE Pin Leakage
–3
3
A
tAP
Sample-and-Hold Acquisition Delay Time
0
ns
tJITTER
Sample-and-Hold Acquisition Delay Time Jitter
0.2
psRMS
CMRR
Analog Input Common Mode Rejection Ratio
80
dB
Full Power Bandwidth
Figure 8 Test Circuit
575
MHz
The
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)
LTC2248
LTC2247
LTC2246
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
5MHz Input
74.3
74.4
74.5
dB
12.5MHz Input
72.9
74.2
dB
20MHz Input
72.9
74.4
dB
30MHz Input
72.5
74.3
dB
70MHz Input
74.3
73.9
73.4
dB
140MHz Input
73.9
73.3
73
dB
SFDR
5MHz Input
90
dB
12.5MHz Input
76
90
dB
20MHz Input
76
90
dB
30MHz Input
76
90
dB
70MHz Input
85
dB
140MHz Input
80
dB
SFDR
5MHz Input
95
dB
12.5MHz Input
84
95
dB
20MHz Input
84
95
dB
30MHz Input
84
95
dB
70MHz Input
95
dB
140MHz Input
90
dB
S/(N+D)
5MHz Input
74.3
74.4
74.5
dB
12.5MHz Input
72.2
74.2
dB
20MHz Input
72.2
74.3
dB
30MHz Input
72
74.2
dB
70MHz Input
74.1
73.6
73.4
dB
140MHz Input
71.9
71.8
dB
IMD
Intermodulation
fIN1 = 28.2MHz
90
dB
Distortion
fIN2 = 26.8MHz
A ALOG I PUT
U
DY A IC ACCURACY
U
W
The
denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 4)
Signal-to-Noise
Plus Distortion
Ratio
Spurious Free
Dynamic Range
4th Harmonic
or Higher
Spurious Free
Dynamic Range
2nd or 3rd
Harmonic
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