LTC2259CUJ-16-TRPBF データシートの表示（PDF） - Linear Technology
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LTC2259CUJ-16-TRPBF Datasheet PDF : 28 Pages
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LTC2259-16
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
SFDR
Spurious Free Dynamic Range 2nd or 3rd
Harmonic
5MHz Input
70MHz Input
140MHz Input
88
dBFS
l
79
85
dBFS
82
dBFS
Spurious Free Dynamic Range 4th Harmonic or
Higher
5MHz Input
70MHz Input
140MHz Input
90
dBFS
l
85
90
dBFS
90
dBFS
S/(N+D) Signal-to-Noise Plus Distortion Ratio
5MHz Input
70MHz Input
140MHz Input
72.9
dBFS
l 70.4
72.6
dBFS
72
dBFS
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
DIGITAL INPUTS (CS, SDI, SCK)
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
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
IIN
Input Current
CIN
Input Capacitance
VDD = 1.8V
VDD = 1.8V
VIN = 0V to 3.6V
(Note 8)
l
1.3
V
l
0.6
V
l
–10
10
μA
3
pF
225916f
4
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