参数资料
型号: LTC2297CUP#TRPBF
厂商: Linear Technology
文件页数: 22/28页
文件大小: 0K
描述: IC ADC DUAL 14BIT 40MSPS 64QFN
标准包装: 2,000
位数: 14
采样率(每秒): 40M
数据接口: 并联
转换器数目: 2
功率耗散(最大): 285mW
电压电源: 单电源
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 64-WFQFN 裸露焊盘
供应商设备封装: 64-QFN(9x9)
包装: 带卷 (TR)
输入数目和类型: 2 个单端,双极; 2 个差分, 双极
LTC2298/LTC2297/LTC2296
3
229876fa
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
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)
LTC2298
LTC2297
LTC2296
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
72.7
74.2
dB
20MHz Input
72.4
74.4
dB
30MHz Input
72.1
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
75
90
dB
30MHz Input
75
90
dB
70MHz Input
85
dB
140MHz Input
80
dB
SFDR
5MHz Input
90
dB
12.5MHz Input
80
90
dB
20MHz Input
80
90
dB
30MHz Input
78
90
dB
70MHz Input
90
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
71.9
74.3
dB
30MHz Input
71.6
74.2
dB
70MHz Input
74.1
73.6
73.4
dB
140MHz Input
71.9
71.8
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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