參數(shù)資料
型號: LTC2240IUP-12#PBF
廠商: Linear Technology
文件頁數(shù): 23/30頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 170MSPS 64-QFN
標準包裝: 40
位數(shù): 12
采樣率(每秒): 170M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 638mW
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: 64-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-QFN(9x9)
包裝: 管件
輸入數(shù)目和類型: 1 個差分,雙極
LTC2240-12
3
224012fd
CONVERTER CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
l
12
Bits
Integral Linearity Error
Differential Analog Input (Note 5)
l
–2.1
±0.6
2.1
LSB
Differential Linearity Error
Differential Analog Input
l
–1
±0.4
1
LSB
Offset Error
(Note 6)
l
–15
±5
15
mV
Gain Error
External Reference
l
–3.5
±0.7
3.5
%FS
Offset Drift
±10
μV/C
Full-Scale Drift
Internal Reference
External Reference
±60
±45
ppm/C
Transition Noise
SENSE = 1V
0.74
LSBRMS
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. (Note 4)
ANALOG INPUT 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
VIN
Analog Input Range (AIN+ – AIN–)
2.375V < VDD < 2.625V (Note 7)
l
±0.5 to ±1
V
VIN, CM
Analog Input Common Mode (AIN+ + AIN–)/2
Differential Input (Note 7)
l
1.2
1.25
1.3
V
IIN
Analog Input Leakage Current
0 < AIN+, AIN– < VDD
l
–1
1
μA
ISENSE
SENSE Input Leakage
0V < SENSE < 1V
l
–1
1
μA
IMODE
MODE Pin Pull-Down Current to GND
7
μA
ILVDS
LVDS Pin Pull-Down Current to GND
7
μA
tAP
Sample and Hold Acquisition Delay Time
0.4
ns
tJITTER
Sample and Hold Acquisition Delay Time Jitter
95
fsRMS
Full Power Bandwidth
Figure 8 Test Circuit
1200
MHz
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)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio (Note 10)
10MHz Input
65.6
dB
70MHz Input
l
64.2
65.5
dB
140MHz Input
65.4
dB
240MHz Input
65.2
dB
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
(Note 11)
10MHz Input
80
dB
70MHz Input
l
65
75
dB
140MHz Input
74
dB
240MHz Input
72
dB
Spurious Free Dynamic Range
4th Harmonic or Higher
(Note 11)
10MHz Input
87
dB
70MHz Input
l
76
87
dB
140MHz Input
87
dB
240MHz Input
87
dB
S/(N+D)
Signal-to-Noise Plus
Distortion Ratio
(Note 12)
10MHz Input
65.5
dB
70MHz Input
l
62.7
65.3
dB
140MHz Input
65.2
dB
240MHz Input
64.2
dB
IMD
Intermodulation Distortion
fIN1 = 135MHz, fIN2 = 140MHz
81
dBc
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