Datasheet

4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs
3
Maxim Integrated
MAX11044/MAX11044B/MAX11045/MAX11045B/
MAX11046/MAX11046B/MAX11054/MAX11055/MAX11056
ELECTRICAL CHARACTERISTICS (continued)
(V
AVDD
= +4.75V to +5.25V, V
DVDD
= +2.70V to +5.25V, V
AGNDS
= V
AGND
= V
DGND
= 0V, V
REFIO
= internal reference, C
RDC
= 4 x
33μF, C
REFIO
= 0.1μF, C
AVDD
= 4 x 0.1μF || 10μF, C
DVDD
= 3 x 0.1μF || 10μF; all digital inputs at DVDD or DGND, unless otherwise
noted, f
SAMPLE
= 250ksps. T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX 11044/ MAX11045/
MAX11046
90.5 92
MAX 11054/ MAX11055/
MAX11056
84.5 85.2
Signal-to-Noise and Distortion
Ratio
SINAD
f
IN
= 10kHz,
full-scale input
MAX11044B/MAX11045B/
MAX11046B
87.5
dB
MAX 11044/ MAX11045/
MAX11046
98 104
MAX 11054/ MAX11055/
MAX11056
95 104Spurious-Free Dynamic Range SFDR
f
IN
= 10kHz,
full-scale input
MAX11044B/MAX11045B/
MAX11046B
90
dB
MAX 11044/ MAX11045/
MAX11046
-104 -98
MAX 11054/ MAX11055/
MAX11056
-104 -95
Total Harmonic Distortion THD
f
IN
= 10kHz,
full-scale input
MAX11044B/MAX11045B/
MAX11046B
-90
dB
Channel-to-Channel Crosstalk
f
IN
= 60Hz, full scale and ground on
adjacent channel (Note 2)
-126 -100 dB
ANALOG INPUTS (CH0–CH7)
Input Voltage Range (Note 3)
±1.22 x
V
REFIO
V
Input Leakage Current -1 +1 μA
Input Capacitance 15 pF
Input-Clamp Protection Current Each input simultaneously -20 +20 mA
TRACK AND HOLD
Throughput Rate Per channel 1 250 ksps
Acquisition Time t
ACQ
1 1000 μs
-3dB point 4
Full-Power Bandwidth
-0.1dB point > 0.2
MHz
Aperture Delay 10 ns
Aperture-Delay Matching 100 ps
Aperture Jitter 50 ps
RMS
INTERNAL REFERENCE
REFIO Voltage V
REF
4.08 4.096 4.112 V
REFIO Temperature Coefficient ±5 ppm/°C
EXTERNAL REFERENCE
Input Current -10 +10 μA
REF Voltage-Input Range V
REF
3.00 4.25 V
REF Input Capacitance 15 pF