参数资料
型号: LTC2253IUH#TRPBF
厂商: Linear Technology
文件页数: 18/24页
文件大小: 0K
描述: IC ADC 12BIT 125MSPS 3V 32-QFN
标准包装: 2,500
位数: 12
采样率(每秒): 125M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 468mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 带卷 (TR)
输入数目和类型: 1 个单端,双极; 1 个差分,双极
LTC2253/LTC2252
3
22532fa
LTC2253
LTC2252
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
5MHz Input
70.2
dB
30MHz Input
70.1
70.2
dB
70MHz Input
68
70
68.5
70.1
dB
140MHz Input
69.6
69.8
dB
SFDR
5MHz Input
88
dB
30MHz Input
85
88
dB
70MHz Input
72
82
71
84
dB
140MHz Input
78
79
dB
SFDR
5MHz Input
90
dB
30MHz Input
90
dB
70MHz Input
77
90
78
90
dB
140MHz Input
90
dB
S/(N+D)
5MHz Input
69.8
70.1
dB
30MHz Input
69.7
70.1
dB
70MHz Input
67
69.6
67.5
70
dB
140MHz Input
68.5
68.7
dB
IMD
fIN1 = 28.2MHz,
85
dB
fIN2 = 26.8MHz
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ – AIN–)
2.85V < VDD < 3.4V (Note 7)
±0.5V to ±1V
V
VIN,CM
Analog Input Common Mode
Differential Input (Note 7)
1
1.5
1.9
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
640
MHz
The
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)
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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