MAX11661_11 Datasheet, PDF (9/28 Pages) Maxim Integrated Products – 500ksps, Low-Power, Serial 12-/10-/8-Bit ADCs Low-Noise 73dB SNR

500ksps, Low-Power,
Serial 12-/10-/8-Bit ADCs
ELECTRICAL CHARACTERISTICS (MAX11663) (continued)
(VDD = 2.2V to 3.6V. fSCLK = 8MHz, 50% duty cycle, 500ksps. CDOUT = 10pF, TA = -40NC to +125NC, unless otherwise noted. Typical
values are at TA = +25NC.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DYNAMIC PERFORMANCE (fAIN = 250kHz)
Signal-to-Noise and Distortion
SINAD
60.5 61.5
dB
Signal-to-Noise Ratio
SNR
60.5 61.5
dB
Total Harmonic Distortion
THD
-85
-73
dB
Spurious-Free Dynamic Range
SFDR
75
dB
Intermodulation Distortion
Full-Power Bandwidth
IMD f1 = 239.8kHz, f2 = 200.2kHz
-3dB point
-82
dB
40
MHz
Full-Linear Bandwidth
SINAD > 60dB
2.5
MHz
Small-Signal Bandwidth
45
MHz
CONVERSION RATE
Throughput
5
500 ksps
Conversion Time
1.56
Fs
Acquisition Time
Aperture Delay
Aperture Jitter
tACQ
From CS falling edge
52
ns
4
ns
15
ps
Serial Clock Frequency
ANALOG INPUT (AIN)
fCLK
0.08
8
MHz
Input Voltage Range
Input Leakage Current
VAIN
IILA
Input Capacitance
CAIN
DIGITAL INPUTS (SCLK, CS, CHSEL)
Track
Hold
0
VDD
V
0.002 Q1
FA
20
pF
4
Digital Input High Voltage
VIH
0.75 x
VVDD
V
Digital Input Low Voltage
VIL
0.25 x
VVDD
V
Digital Input Hysteresis
VHYST
0.15 x
VVDD
V
Digital Input Leakage Current
Digital Input Capacitance
IIL
Inputs at GND or VDD
CIN
0.001 Q1
FA
2
pF
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