MAX11661_1111 Datasheet, PDF (11/28 Pages) Maxim Integrated Products – 500ksps, Low-Power, Serial 12-/10-/8-Bit ADCs

500ksps, Low-Power,
Serial 12-/10-/8-Bit ADCs
ELECTRICAL CHARACTERISTICS (MAX11662)
(VDD = 2.2V to 3.6V, VREF = VDD, VOVDD = VDD, fSCLK = 8MHz, 50% duty cycle, 500ksps, CDOUT = 10pF, TA = -40NC to +125NC,
unless otherwise noted. Typical values are at TA = +25NC.) (Note 1)
PARAMETER
DC ACCURACY
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Gain Error
Total Unadjusted Error
SYMBOL
CONDITIONS
INL
DNL
OE
GE
TUE
No missing codes
Excluding offset and reference errors
MIN TYP MAX UNITS
8
Bits
Q0.25 LSB
Q0.25 LSB
0.45 Q0.8 LSB
0 Q0.25 LSB
0.5
LSB
Channel-to-Channel Offset
Matching
0.01
LSB
Channel-to-Channel Gain
Matching
0.01
LSB
DYNAMIC PERFORMANCE (fAIN = 250kHz)
Signal-to-Noise and Distortion
SINAD
Signal-to-Noise Ratio
SNR
Total Harmonic Distortion
THD
Spurious-Free Dynamic Range
SFDR
Intermodulation Distortion
IMD
Full-Power Bandwidth
Full-Linear Bandwidth
Small-Signal Bandwidth
Crosstalk
CONVERSION RATE
Throughput
Conversion Time
Acquisition Time
t_ACQ
Aperture Delay
Aperture Jitter
Serial-Clock Frequency
fCLK
ANALOG INPUT (AIN1, AIN2)
Input Voltage Range
VAIN_
Input Leakage Current
IILA
Input Capacitance
CAIN_
EXTERNAL REFERENCE INPUT (REF)
f1 = 239.8kHz, f2 = 200.2kHz
-3dB point
SINAD > 49dB
From CS falling edge
Track
Hold
49
49.7
dB
49
49.7
dB
-75
-67
dB
63
67
dB
-65
dB
40
MHz
2.5
MHz
45
MHz
-90
dB
5
500 ksps
1.56
Fs
52
ns
4
ns
15
ps
0.08
8
MHz
0
VREF
V
0.002 Q1
FA
20
pF
4
Reference Input Voltage Range
VREF
1
VDD +
0.05
V
Reference Input Leakage Current
Reference Input Capacitance
IILR
CREF
Conversion stopped
0.005 Q1
FA
5
pF
______________________________________________________________________________________   11