MAX19706 データシートの表示（PDF） - Maxim Integrated
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MAX19706 Datasheet PDF : 37 Pages
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10-Bit, 22Msps, Ultra-Low-Power
Analog Front-End
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 3V, OVDD = 1.8V, internal reference (1.024V), CL ≈ 10pF on all digital outputs, fCLK = 22MHz (50% duty cycle), Rx ADC input
amplitude = -0.5dBFS, Tx DAC output amplitude = 0dBFS, differential Rx ADC input, differential Tx DAC output, CREFP = CREFN =
CCOM = 0.33µF, unless otherwise noted. CL < 5pF on all aux-DAC outputs. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
Rx ADC ANALOG INPUT
Input Differential Range
VID
Differential or single-ended inputs
Input Common-Mode Voltage
Range
VCM
Input Impedance
Rx ADC CONVERSION RATE
RIN
Switched capacitor load
CIN
Maximum Clock Frequency
Data Latency (Figure 3)
fCLK
(Note 2)
Channel I
Channel Q
Rx ADC DYNAMIC CHARACTERISTICS (Note 3)
Signal-to-Noise Ratio
Signal-to-Noise and Distortion
Spurious-Free Dynamic Range
Third-Harmonic Distortion
SNR
SINAD
SFDR
HD3
fIN = 5.5MHz, fCLK = 22MHz
fIN = 13MHz, fCLK = 22MHz
fIN = 5.5MHz, fCLK = 22MHz
fIN = 13MHz, fCLK = 22MHz
fIN = 5.5MHz, fCLK = 22MHz
fIN = 13MHz, fCLK = 22MHz
fIN = 5.5MHz, fCLK = 22MHz
fIN = 13MHz, fCLK = 22MHz
Intermodulation Distortion
IMD
f1 = 1.8MHz, -7dBFS;
f2 = 1.0MHz, -7dBFS
MIN TYP MAX UNITS
±0.512
V
VDD / 2
V
245
kΩ
5
pF
22
MHz
5
Clock
5.5
Cycles
53
54.6
dB
54.5
52.9 54.6
dB
54.4
64
75.6
dBc
76.3
-78.7
dBc
-77.9
-70
dBc
Third-Order Intermodulation
IM3
Distortion
Total Harmonic Distortion
THD
Aperture Delay
Overdrive Recovery Time
Rx ADC INTERCHANNEL CHARACTERISTICS
f1 = 1.8MHz, -7dBFS;
f2 = 1.0MHz, -7dBFS
fIN = 5.5MHz, fCLK = 22MHz
fIN = 13MHz, fCLK = 22MHz
1.5x full-scale input
-76.7
dBc
-72.4 -63
dBc
-73.5
3.5
ns
2
ns
Crosstalk Rejection
fINX,Y = 5.5MHz at -0.5dBFS, fINX,Y = 1MHz at
-90
dB
-0.5dBFS (Note 4)
Amplitude Matching
Phase Matching
fIN = 5.5MHz at -0.5dBFS (Note 5)
fIN = 5.5MHz at -0.5dBFS (Note 5)
±0.01
±0.12
dB
D eg r ees
4 _______________________________________________________________________________________
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