Datasheet

_______________________________________________________________________________________ 5
MAX11661–MAX11666
500ksps, Low-Power,
Serial 12-/10-/8-Bit ADCs
ELECTRICAL CHARACTERISTICS (MAX11665) (continued)
(V
DD
= 2.2V to 3.6V, f
SCLK
= 8MHz, 50% duty cycle, 500ksps, C
DOUT
= 10pF, T
A
= -40NC to +125NC, unless otherwise noted. Typical
values are at T
A
= +25NC.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Total Harmonic Distortion THD -85 -76 dB
Spurious-Free Dynamic Range SFDR 77 85 dB
Intermodulation Distortion IMD f
1
= 239.8kHz, f
2
= 200.2kHz -84 dB
Full-Power Bandwidth -3dB point 40 MHz
Full-Linear Bandwidth SINAD > 68dB 2.5 MHz
Small-Signal Bandwidth 45 MHz
CONVERSION RATE
Throughput 5 500 ksps
Conversion Time 1.56
Fs
Acquisition Time t
ACQ
52 ns
Aperture Delay
From CS falling edge
4 ns
Aperture Jitter 15 ps
Serial Clock Frequency f
CLK
0.08 8 MHz
ANALOG INPUT
Input Voltage Range V
AIN
0 V
DD
V
Input Leakage Current I
ILA
0.002
Q1 FA
Input Capacitance C
AIN
Track 20
pF
Hold 4
DIGITAL INPUTS (SCLK, CS, CHSEL)
Digital Input High Voltage V
IH
0.75 x
V
VDD
V
Digital Input Low Voltage V
IL
0.25 x
V
VDD
V
Digital Input Hysteresis V
HYST
0.15 x
V
VDD
V
Digital Input Leakage Current I
IL
Inputs at GND or V
DD
0.001
Q1 FA
Digital Input Capacitance C
IN
2 pF
DIGITAL OUTPUT (DOUT)
Output High Voltage V
OH
I
SOURCE
= 200FA
0.85 x
V
VDD
V
Output Low Voltage V
OL
I
SINK
= 200FA
0.15 x
V
VDD
V
High-Impedance Leakage
Current
I
OL
Q1.0 FA
High-Impedance Output
Capacitance
C
OUT
4 pF
POWER SUPPLY
Positive Supply Voltage V
DD
2.2 3.6 V
Positive Supply Current
(Full-Power Mode)
I
VDD
V
AIN
= V
GND
1.76 mA