参数资料
型号: LTC2263IUJ-14#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: ADC
英文描述: PROPRIETARY METHOD ADC, QCC40
封装: 6 X 6 MM, LEAD FREE, PLASTIC, QFN-40
文件页数: 27/32页
文件大小: 1451K
代理商: LTC2263IUJ-14#PBF
4
22654314fb
LTC2265-14/
LTC2264-14/LTC2263-14
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 5)
INTERNAL REFERENCE CHARACTERISTICS The
l
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCM Output Voltage
IOUT = 0
0.5 VDD – 25mV
0.5 VDD
0.5 VDD + 25mV
V
VCM Output Temperature Drift
±25
ppm/°C
VCM Output Resistance
–600A < IOUT < 1mA
4
Ω
VREF Output Voltage
IOUT = 0
1.225
1.250
1.275
V
VREF Output Temperature Drift
±25
ppm/°C
VREF Output Resistance
–400A < IOUT < 1mA
7
Ω
VREF Line Regulation
1.7V < VDD < 1.9V
0.6
mV/V
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ENCODE INPUTS (ENC+, ENC)
Differential Encode Mode (ENCNot Tied to GND)
VID
Differential Input Voltage
(Note 8)
l
0.2
V
VICM
Common Mode Input Voltage
Internally Set
Externally Set (Note 8)
l
1.1
1.2
1.6
V
VIN
Input Voltage Range
ENC+, ENCto GND
l
0.2
3.6
V
RIN
Input Resistance
(See Figure 10)
10
CIN
Input Capacitance
3.5
pF
SYMBOL PARAMETER
CONDITIONS
LTC2265-14
LTC2264-14
LTC2263-14
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
SNR
Signal-to-Noise Ratio
5MHz Input
30MHz Input
70MHz Input
140MHz Input
l
72.3
73.7
73.5
73
72
73.5
73.4
72.8
71.4
72.9
72.8
72.3
dBFS
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
5MHz Input
30MHz Input
70MHz Input
140MHz Input
l
78
90
89
84
79
90
89
84
79
90
89
84
dBFS
Spurious Free Dynamic Range
4th Harmonic or Higher
5MHz Input
30MHz Input
70MHz Input
140MHz Input
l
85
90
85
90
85
90
dBFS
S/(N+D)
Signal-to-Noise Plus
Distortion Ratio
5MHz Input
30MHz Input
70MHz Input
140MHz Input
l
71.5
73.6
73.5
73.2
72.5
71.6
73.3
73.2
73.1
72.3
70.9
72.8
72.7
72.5
71.9
dBFS
Crosstalk
10MHz Input
–105
dBc
DIGITAL INPUTS AND OUTPUTS The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 5)
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LTC2264CUJ-14#PBF PROPRIETARY METHOD ADC, QCC40
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