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MAX1193 Datasheet, PDF (3/26 Pages) Maxim Integrated Products – Ultra-Low-Power, 45Msps, Dual 8-Bit ADC
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Ultra-Low-Power, 45Msps, Dual 8-Bit ADC
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 3.0V, OVDD = 1.8V, VREFIN = VDD (internal reference), CL ≈ 10pF at digital outputs, fCLK = 45MHz, CREFP = CREFN = CCOM =
0.33µF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
Spurious-Free Dynamic Range
(Note 2)
Third-Harmonic Distortion
(Note 2)
Intermodulation Distortion
SYMBOL
CONDITIONS
fIN = 3.75MHz
SFDR fIN = 5.5MHz
HD3
fIN = 22.5MHz
fIN = 3.75MHz
fIN = 5.5MHz
fIN = 22.5MHz
IMD fIN1 = 1MHz at -7dB FS, fIN2 = 1.01MHz
at -7dB FS
MIN
TYP
MAX UNITS
70.7
60.0
70.0
dBc
71.5
-79.6
-79.0
dBc
76.1
-66
dBc
Third-Order Intermodulation
IM3 fIN1 = 1MHz at -7dB FS, fIN2 = 1.01MHz
at -7dB FS
Total Harmonic Distortion
(Note 2)
Small-Signal Bandwidth
THD
SSBW
fIN = 3.75MHz
fIN = 5.5MHz
fIN = 22.5MHz
Input at -20dB FS
Full-Power Bandwidth
FPBW Input at -0.5dB FS
Aperture Delay
Aperture Jitter
Overdrive Recovery Time
tAD
tAJ
1.5 × full-scale input
INTERNAL REFERENCE (REFIN = VDD; VREFP, VREFN, and VCOM are generated internally)
REFP Output Voltage
VREFP - VCOM
REFN Output Voltage
VREFN - VCOM
COM Output Voltage
VCOM
VDD / 2
- 0.15
Differential Reference Output
VREF VREFP - VREFN
Differential Reference Output
Temperature Coefficient
VREFTC
-70
-70.8
-70.0
-70.1
440
440
1.5
2
2
0.256
-0.256
VDD / 2
0.512
±30
dBc
-57.0
dBc
MHz
MHz
ns
psRMS
ns
V
V
VDD / 2
V
+ 0.15
V
ppm/°C
Maximum REFP/REFN/COM
Source Current
ISOURCE
2
mA
Maximum REFP/REFN/COM Sink
Current
ISINK
2
mA
BUFFERED EXTERNAL REFERENCE (VREFIN = 1.024V, VREFP, VREFN, and VCOM are generated internally)
REFIN Input Voltage
VREFIN
1.024
V
COM Output Voltage
Differential Reference Output
Maximum REFP/REFN/COM
Source Current
VCOM
VREF VREFP - VREFN
ISOURCE
VDD / 2
- 0.15
VDD / 2
VDD / 2
+ 0.15
V
0.512
V
2
mA
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