參數(shù)資料
型號(hào): LTC2253IUH#TRPBF
廠商: Linear Technology
文件頁數(shù): 18/24頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 125MSPS 3V 32-QFN
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 12
采樣率(每秒): 125M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 468mW
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: 32-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(5x5)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)單端,雙極; 1 個(gè)差分,雙極
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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