LTC2262IUJ-12-PBF 查看數據表（PDF） - Linear Technology
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LTC2262IUJ-12-PBF Datasheet PDF : 28 Pages
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LTC2262-12
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)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
5MHz Input
70.5
dB
30MHz Input
l
70.4
dB
70MHz Input
70.3
dB
140MHz Input
70.1
dB
SFDR Spurious Free Dynamic Range
5MHz Input
88
dB
2nd or 3rd Harmonic
30MHz Input
l
88
dB
70MHz Input
82
dB
140MHz Input
81
dB
Spurious Free Dynamic Range
5MHz Input
90
dB
4th Harmonic or Higher
30MHz Input
l
90
dB
70MHz Input
90
dB
140MHz Input
90
dB
S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input
70.4
dB
30MHz Input
l
70.3
dB
70MHz Input
70
dB
140MHz Input
69.8
dB
INTERNAL REFERENCE CHARACTERISTICS The l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (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
–600μA < 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
–400μA < IOUT < 1mA
7
Ω
VREF Line Regulation
1.7V < VDD < 1.9V
0.6
mV/V
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)
SYMBOL PARAMETER
ENCODE INPUTS (ENC+, ENC–)
Differential Encode Mode (ENC– Not Tied to GND)
CONDITIONS
MIN
TYP
MAX UNITS
VID
Differential Input Voltage
VICM
Common Mode Input Voltage
VIN
Input Voltage Range
RIN
Input Resistance
CIN
Input Capacitance
Single-Ended Encode Mode (ENC– Tied to GND)
(Note 8)
Internally Set
Externally Set (Note 8)
ENC+, ENC– to GND
(See Figure 10)
(Note 8)
l
0.2
V
1.2
V
l
1.1
1.6
V
l
0.2
3.6
V
10
kΩ
3.5
pF
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
VIN
Input Voltage Range
RIN
Input Resistance
CIN
Input Capacitance
VDD = 1.8V
VDD = 1.8V
ENC+ to GND
(See Figure 11)
(Note 8)
l
1.2
V
l
0.6
V
l
0
3.6
V
30
kΩ
3.5
pF
226212p
4
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