参数资料
型号: LTC2282CUP#TRPBF
厂商: Linear Technology
文件页数: 18/24页
文件大小: 0K
描述: IC ADC DUAL 12BIT 105MSPS 64-QFN
标准包装: 2,000
位数: 12
采样率(每秒): 105M
数据接口: 并联
转换器数目: 2
功率耗散(最大): 630mW
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
LTC2282
3
2282fb
ANALOG INPUT
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ – AIN–)
2.85V < VDD < 3.4V (Note 7)
l
±0.5V to ±1V
V
VIN,CM
Analog Input Common Mode (AIN+ + AIN–)/2
Differential Input Drive (Note 7)
Single Ended Input Drive (Note 7)
l
1
0.5
1.5
1.9
2
V
IIN
Analog Input Leakage Current
0V < AIN+, AIN– < VDD
l
–1
1
μA
ISENSE
SENSEA, SENSEB Input Leakage
0V < SENSEA, SENSEB < 1V
l
–3
3
μA
IMODE
MODE Input Leakage Current
0V < MODE < VDD
l
–3
3
μA
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
l denotes the specications which apply over the full operating temperature range, otherwise
specications are at TA = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
5MHz Input
70.1
dB
30MHz Input
70.1
dB
70MHz Input
l
68.5
70
dB
140MHz Input
69.7
dB
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
5MHz Input
88
dB
30MHz Input
86
dB
70MHz Input
l
72
84
dB
140MHz Input
79
dB
SFDR
Spurious Free Dynamic Range
4th Harmonic or Higher
5MHz Input
90
dB
30MHz Input
90
dB
70MHz Input
l
79
90
dB
140MHz Input
90
dB
S/(N+D)
Signal-to-Noise Plus Distortion Ratio
5MHz Input
70
dB
30MHz Input
70
dB
70MHz Input
l
67.5
69.9
dB
140MHz Input
68.7
dB
IMD
Intermodulation Distortion
fIN = 40MHz, 41MHz
85
dB
Crosstalk
fIN = 100MHz
–110
dB
DYNAMIC ACCURACY The l denotes the specications which apply over the full operating temperature range,
otherwise specications are at TA = 25°C. AIN = –1dBFS. (Note 4)
CONVERTER CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. (Note 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Full-Scale Drift
Internal Reference
±30
ppm/°C
External Reference
±5
ppm/°C
Gain Matching
External Reference
±0.3
%FS
Offset Matching
±2
mV
Transition Noise
SENSE = 1V
0.3
LSBRMS
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