Datasheet

MAX11047–MAX11049/MAX11057–MAX11059
4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
V
AVDD
= 4.75V to 5.25V, V
DVDD
= +2.7V 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.
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
DIGITAL OUTPUTS (DB0–DB15, EOC)
Output-Voltage High V
OH
I
SOURCE
= 1.2mA
V
DVDD
-
0.4
V
Output-Voltage Low V
OL
I
SINK
= 1mA 0.4 V
Three-State Leakage Current DB0–DB15, V
RD
 V
IH
or V
CS
 V
IH
10 µA
Three-State Output Capacitance DB0–DB15, V
RD
 V
IH
or V
CS
 V
IH
15 pF
POWER SUPPLIES (MAX11047/MAX11057)
Analog Supply Voltage AVDD 4.75 5.25 V
Digital Supply Voltage DVDD 2.70 5.25 V
Analog Supply Current I
AVDD
25 mA
Digital Supply Current I
DVDD
V
DVDD
= 3.3V (Note 4) 5.5 mA
Shutdown Current For DVDD 10 µA
Shutdown Current For AVDD 10 µA
MAX11047 ±1.2
Power-Supply Rejection PSR
V
AVDD
= 4.9V to 5.1V
(Note 5)
MAX11057 ±0.3
LSB
POWER SUPPLIES (MAX11048/MAX11058)
Analog Supply Voltage AVDD 4.75 5.25 V
Digital Supply Voltage DVDD 2.70 5.25 V
Analog Supply Current I
AVDD
32 mA
Digital Supply Current I
DVDD
V
DVDD
= 3.3V (Note 4) 6.5 mA
Shutdown Current For DVDD 10 µA
Shutdown Current For AVDD 10 µA
MAX11048 ±1.2
Power-Supply Rejection PSR
V
AVDD
= 4.9V to 5.1V
(Note 5)
MAX11058 ±0.3
LSB
POWER SUPPLIES (MAX11049/MAX11059)
Analog Supply Voltage AVDD 4.75 5.25 V
Digital Supply Voltage DVDD 2.70 5.25 V
Analog Supply Current I
AVDD
39 mA
Digital Supply Current I
DVDD
V
DVDD
= 3.3V (Note 4) 7 mA
Shutdown Current For DVDD 10 µA
Shutdown Current For AVDD 10 µA
MAX11049 ±1.2
Power-Supply Rejection PSR
V
AVDD
= 4.9V to 5.1V
(Note 5)
MAX11059 ±0.3
LSB
TIMING CHARACTERISTICS (Note 4)
CONVST Rise to EOC Fall t
CON
Conversion time (Note 6) 3 µs
Acquisition Time t
ACQ
1 µs
CS Rise to CONVST Rise t
Q
Sample quiet time (Note 6) 500 ns