LTC2272(RevA) 查看數據表（PDF） - Linear Technology
零件编号
产品描述 (功能)
生产厂家
LTC2272 Datasheet PDF : 44 Pages
| |||
LTC2273/LTC2272
ANALOG INPUT The l denotes denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
VIN
VIN, CM
IIN
ISENSE
CIN
Analog Input Range (AIN+ – AIN–)
Analog Input Common Mode
Analog Input Leakage Current
SENSE Input Leakage Current
Analog Input Capacitance
3.135V ≤ VDD ≤ 3.465V
Differential Input (Note 7)
0V ≤ AIN+, AIN– ≤ VDD (Note 10)
0V ≤ SENSE ≤ VDD (Note 11)
Sample Mode ENC+ < ENC–
Hold Mode ENC+ > ENC–
l
1.5 or 2.25
VP-P
l
1
1.25
1.5
V
l –1
1
μA
–3
3
μA
6.7
pF
1.8
pF
tAP
Sample-and-Hold
Acquisition Delay Time
1
ns
tJITTER
CMRR
Sample-and-Hold
Acquisition Delay Time Jitter
Analog Input
Common Mode Rejection Ratio
1V < (AIN+ = AIN–) <1.5V
80
fsRMS
80
dB
BW-3dB
Full Power Bandwidth
RS ≤ 25Ω
700
MHz
DYNAMIC ACCURACY The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)
LTC2273
LTC2272
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio
5MHz Input (2.25V Range, PGA = 0)
5MHz Input (1.5V Range, PGA = 1)
77.6
77.6
dBFS
75.4
75.4
dBFS
15MHz Input (2.25V Range, PGA = 0), TA = 25°C
76.5 77.5
76.5 77.5
dBFS
15MHz Input (2.25V Range, PGA = 0)
l 76.2 77.2
76.2 77.2
dBFS
15MHz Input (1.5V Range, PGA = 1)
75.3
75.3
dBFS
70MHz Input (2.25V Range, PGA = 0)
77.2
77.2
dBFS
70MHz Input (1.5V Range, PGA = 1), TA = 25°C
74.5 75.1
74.5 75.1
dBFS
70MHz Input (1.5V Range, PGA = 1)
l 74.2 74.8
74.2 74.8
dBFS
140MHz Input (2.25V Range, PGA = 0)
140MHz Input (1.5V Range, PGA = 1)
76.3
76.3
dBFS
74.5
74.5
dBFS
170MHz Input (2.25V Range, PGA = 0)
170MHz Input (1.5V Range, PGA = 1)
75.9
75.9
dBFS
74.3
74.3
dBFS
SFDR Spurious Free Dynamic
5MHz Input (2.25V Range, PGA = 0)
Range 2nd or 3rd Harmonic 5MHz Input (1.5V Range, PGA = 1)
100
100
dBc
100
100
dBc
15MHz Input (2.25V Range, PGA = 0), TA = 25°C
85 95
85 95
dBc
15MHz Input (2.25V Range, PGA = 0)
l 84 95
84 95
dBc
15MHz Input (1.5V Range, PGA = 1)
100
100
dBc
70MHz Input (2.25V Range, PGA = 0)
86
86
dBc
70MHz Input (1.5V Range, PGA = 1), TA = 25°C
84 94
84 94
dBc
70MHz Input (1.5V Range, PGA = 1)
l 83 92
83 92
dBc
140MHz Input (2.25V Range, PGA = 0)
140MHz Input (1.5V Range, PGA = 1)
85
85
dBc
90
90
dBc
170MHz Input (2.25V Range, PGA = 0)
170MHz Input (1.5V Range, PGA = 1)
80
80
dBc
85
85
dBc
22732fa
3
Share Link: 