denotes the specifications which apply over the full operating temperature range,
參數(shù)資料
型號(hào): LTC2249CUH#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 18/24頁(yè)
文件大?。?/td> 0K
描述: IC ADC 14BIT 80MSPS LP 32-QFN
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 14
采樣率(每秒): 80M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 258mW
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 32-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(pán)(5x5)
包裝: 帶卷 (TR)
輸入數(shù)目和類(lèi)型: 1 個(gè)單端,雙極; 1 個(gè)差分,雙極
LTC2249
3
2249fa
The
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
5MHz Input
73
dB
40MHz Input
70.8
73
dB
70MHz Input
73
dB
140MHz Input
72.6
dB
SFDR
Spurious Free Dynamic Range
5MHz Input
90
dB
2nd or 3rd Harmonic
40MHz Input
75
90
dB
70MHz Input
90
dB
140MHz Input
85
dB
SFDR
Spurious Free Dynamic Range
5MHz Input
95
dB
4th Harmonic or Higher
40MHz Input
81
95
dB
70MHz Input
95
dB
140MHz Input
90
dB
S/(N+D)
Signal-to-Noise Plus Distortion Ratio
5MHz Input
72.9
dB
40MHz Input
70.2
72.8
dB
70MHz Input
72.8
dB
140MHz Input
72.1
dB
IMD
Intermodulation Distortion
fIN1 = 28.2MHz, fIN2 = 26.8MHz
90
dB
Full Power Bandwidth
Figure 8 Test Circuit
575
MHz
DY A IC ACCURACY
U
W
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCM Output Voltage
IOUT = 0
1.475
1.500
1.525
V
VCM Output Tempco
±25
ppm/
°C
VCM Line Regulation
2.7V < VDD < 3.4V
3
mV/V
VCM Output Resistance
–1mA < IOUT < 1mA
4
I TER AL REFERE CE CHARACTERISTICS
UU
U
(Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ – AIN–)
2.7V < VDD < 3.4V (Note 7)
±0.5 to ±1V
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
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
A ALOG I PUT
U
The
denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 4)
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