參數(shù)資料
型號(hào): LTC2291IUP
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: Dual 12-Bit, 65/40/25Msps Low Power 3V ADCs
中文描述: DUAL 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
封裝: 9 X 9 MM, PLASTIC, MO-220-WNJR, QFN-64
文件頁數(shù): 3/28頁
文件大小: 1020K
代理商: LTC2291IUP
LTC2293/LTC2292/LTC2291
3
229321f
SYMBOL
V
IN
V
IN,CM
I
IN
I
SENSE
I
MODE
t
AP
t
JITTER
CMRR
PARAMETER
Analog Input Range (A
IN+
–A
IN–
)
Analog Input Common Mode
Analog Input Leakage Current
SENSEA, SENSEB Input Leakage
MODE Input Leakage Current
Sample-and-Hold Acquisition Delay Time
Sample-and-Hold Acquisition Delay Time Jitter
Analog Input Common Mode Rejection Ratio
Full Power Bandwidth
CONDITIONS
2.7V < V
DD
< 3.4V (Note 7)
Differential Input (Note 7)
0V < A
IN+
, A
IN–
< V
DD
0V < SENSEA, SENSEB < 1V
0V < MODE < V
DD
MIN
TYP
MAX
UNITS
1V to 2V
1.5
V
V
1
1.9
1
3
3
–1
–3
–3
μ
A
μ
A
μ
A
ns
0
0.2
80
575
ps
RMS
dB
Figure 8 Test Circuit
MHz
The
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25
°
C. A
IN
= –1dBFS. (Note 4)
LTC2293
TYP
71.3
LTC2292
TYP
71.4
LTC2291
TYP
71.4
71.2
SYMBOL
SNR
PARAMETER
Signal-to-Noise Ratio
CONDITIONS
5MHz Input
12.5MHz Input
20MHz Input
30MHz Input
70MHz Input
140MHz Input
5MHz Input
12.5MHz Input
20MHz Input
30MHz Input
70MHz Input
140MHz Input
5MHz Input
12.5MHz Input
20MHz Input
30MHz Input
70MHz Input
140MHz Input
5MHz Input
12.5MHz Input
20MHz Input
30MHz Input
70MHz Input
140MHz Input
f
IN
= Nyquist,
Nyquist + 1MHz
f
IN
= Nyquist
MIN
MAX
MIN
MAX
MIN
MAX
UNITS
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
70.1
69.6
71.3
69.6
71.3
71.3
71
90
71.1
70.7
90
70.9
70.6
90
90
SFDR
75
74
90
74
90
85
80
90
85
80
90
85
80
90
90
SFDR
80
79
90
78
90
90
90
71.3
90
90
71.4
90
90
71.4
71.2
S/(N+D)
69.8
69.4
71.2
69.4
71.2
71.1
69.9
90
70.9
69.9
90
70.8
69.8
90
I
MD
Crosstalk
–110
–110
–110
dB
U
specifications are at T
A
= 25
°
C. (Note 4)
U
DY
A
IC ACCURACY
U
W
The
denotes the specifications which apply over the full operating temperature range, otherwise
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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參數(shù)描述
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