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參數(shù)資料
型號(hào): LTC2291IUP#TRPBF
廠商: Linear Technology
文件頁數(shù): 22/28頁
文件大小: 0K
描述: IC ADC DUAL 12BIT 25MSPS 64QFN
標(biāo)準(zhǔn)包裝: 2,000
位數(shù): 12
采樣率(每秒): 25M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 180mW
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: 64-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-QFN(9x9)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 2 個(gè)單端,雙極; 2 個(gè)差分, 雙極
LTC2293/LTC2292/LTC2291
3
229321fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ –AIN–)
2.7V < VDD < 3.4V (Note 7)
±0.5 V 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
SENSEA, SENSEB Input Leakage
0V < SENSEA, SENSEB < 1V
–3
3
A
IMODE
MODE Input Leakage Current
0V < MODE < VDD
–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)
LTC2293
LTC2292
LTC2291
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
5MHz Input
71.3
71.4
dB
12.5MHz Input
70.1
71.2
dB
20MHz Input
69.6
71.3
dB
30MHz Input
69.6
71.3
dB
70MHz Input
71.3
71.1
70.9
dB
140MHz Input
71
70.7
70.6
dB
SFDR
5MHz Input
90
dB
12.5MHz Input
75
90
dB
20MHz Input
74
90
dB
30MHz Input
74
90
dB
70MHz Input
85
dB
140MHz Input
80
dB
SFDR
5MHz Input
90
dB
12.5MHz Input
80
90
dB
20MHz Input
79
90
dB
30MHz Input
78
90
dB
70MHz Input
90
dB
140MHz Input
90
dB
S/(N+D)
5MHz Input
71.3
71.4
dB
12.5MHz Input
69.8
71.2
dB
20MHz Input
69.4
71.2
dB
30MHz Input
69.4
71.2
dB
70MHz Input
71.1
70.9
70.8
dB
140MHz Input
69.9
69.8
dB
IMD
fIN = Nyquist,
90
dB
Nyquist + 1MHz
Crosstalk
fIN = Nyquist
–110
dB
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
Intermodulation
Distortion
Spurious Free
Dynamic Range
4th Harmonic
or Higher
Spurious Free
Dynamic Range
2nd or 3rd
Harmonic
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