Datasheet

(f
SAMPLE
= 1.6Msps, V
AVDD
= 1.8V, V
DVDD
= 1.8V, V
OVDD
= 1.5V to 3.6V, V
REFVDD
= 3.6V, V
REF
= 3.3V, Internal Ref Buffers On,
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
POWER SUPPLIES
Analog Supply Voltage AVDD 1.7 1.8 1.9 V
Digital Supply Voltage DVDD 1.7 1.8 1.9 V
Reference Buffer Supply
Voltage
REFVDD 2.7 3.3 3.6 V
Interface Supply Voltage OVDD 1.5 3.6 V
Analog Supply Current I
AVDD
V
AVDD
= 1.8V 2 2.5 mA
Digital Supply Current I
DVDD
V
DVDD
= 1.8V 2.2 2.7 mA
Reference Buffer Supply
Current
I
REFVDD
V
REFVDD
= 3.6V, internal buffers
enabled
3.3 3.55 mA
Reference Buffer Supply
Current
I
REFVDD
V
REFVDD
= 3.6V, internal buffers
powered down
0.26 mA
Interface Supply Current
(Note 9)
I
OVDD
V
OVDD
= 1.5V 0.35
mA
V
OVDD
= 3.6V 1
Shutdown Current For AVDD, DVDD, REFVDD 1 µA
Shutdown Current For DVDD 1 µA
Power Dissipation
V
AVDD
= 1.8V, V
DVDD
= 1.8V,
V
REFVDD
= 3.3V, internal reference
buffers disabled
8.4 10.2 mW
DIGITAL INPUTS (DIN, SCLK, CNVST)
Input Voltage High V
IH
V
OVDD
= 1.5V to 3.6V
0.7 x
V
OVDD
V
Input Voltage Low V
IL
V
OVDD
= 1.5V to 3.6V
0.3 x
V
OVDD
V
Input Capacitance C
IN
10 pF
Input Current I
IN
V
IN
= 0V or V
OVDD
1 µA
DIGITAL OUTPUTS (DOUT)
Output Voltage High V
OH
I
SOURCE
= 2mA
V
OVDD
-
0.4
V
Output Voltage Low V
OL
I
SINK
= 2mA 0.4 V
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Maxim Integrated │ 6
MAX11901 16-Bit, 1.6Msps, Low-Power,
Fully Differential SAR ADC
Electrical Characteristics (continued)