MAX11661_1111 Datasheet, PDF (3/28 Pages) Maxim Integrated Products – 500ksps, Low-Power, Serial 12-/10-/8-Bit ADCs

500ksps, Low-Power,
Serial 12-/10-/8-Bit ADCs
ELECTRICAL CHARACTERISTICS (MAX11666) (continued)
(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
CONVERSION RATE
Throughput
Conversion Time
Acquisition Time
Aperture Delay
Aperture Jitter
Serial-Clock Frequency
ANALOG INPUT (AIN1, AIN2)
Input Voltage Range
Input Leakage Current
SYMBOL
tACQ
fCLK
VAIN_
IILA
Input Capacitance
CAIN_
EXTERNAL REFERENCE INPUT (REF)
CONDITIONS
From CS falling edge
Track
Hold
MIN TYP MAX UNITS
5
500 ksps
1.56
Fs
52
ns
4
Fs
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
IILR
Conversion stopped
0.005 Q1
FA
Reference Input Capacitance
CREF
DIGITAL INPUTS (SCLK, CS, CHSEL)
Digital Input High Voltage
VIH
5
pF
0.75 x
VOVDD
V
Digital Input Low Voltage
VIL
0.25 x
VOVDD
V
Digital Input Hysteresis
Digital Input Leakage Current
Digital Input Capacitance
DIGITAL OUTPUT (DOUT)
VHYST
IIL
CIN
Inputs at GND or VDD
0.15 x
VOVDD
V
0.001 Q1
FA
2
pF
Output High Voltage
VOH
ISOURCE = 200FA
0.85 x
VOVDD
V
Output Low Voltage
VOL
ISINK = 200FA
0.15 x
VOVDD
V
High-Impedance Leakage
Current
IOL
Q1.0
FA
High-Impedance Output
Capacitance
COUT
4
pF
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