Datasheet

Electrical Characteristics (continued)
(V
AVDD
= 3.6V, V
AVSS
= 0V, V
DVDD
= 2.0V, V
REFP
= 2.5V, V
REFN
= 0V; f
DATA
= 1000sps, External Clock = 8.192MHz; Continuous
conversion mode (SCYCLE = 0); PGA maximum output is 300mV below AVDD and minimum output is 300mV above AVSS,
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
LOGIC INPUTS
Input Current I
LEAK_DIG
Leakage current only -1 +1 µA
Input Low Voltage V
IL
0.3x
V
DVDD
V
Input High Voltage V
IH
0.7x
V
DVDD
V
Input Hysteresis V
HYS
200 mV
GPIO Input Low Voltage V
IL_GPIO
0.4 V
GPIO Input High Voltage V
IH_GPIO
1.0 V
GPIO Input Hysterisis V
HYS_GPIO
20 mV
LOGIC OUTPUTS
Output Low Level V
OL
I
OL
= 1mA 0.4 V
Output High Level V
OH
I
OH
= 1mA
0.9x
V
DVDD
V
Floating State Leakage
Current
I
DIGO_LEAK
-10 +10 µA
Floating State Output
Capacitance
C
DIGO
9 pF
POWER REQUIREMENTS
Analog Negative Supply V
AVSS
For split supplies, V
AVSS
= - V
AVDD
-1.8 0 V
Analog Positive Supply V
AVDD
For split supplies, V
AVDD
= - V
AVSS
V
AVSS
+
2.7
V
AVSS
+
3.6
V
Digital Supply V
DVDD
2.0 3.6 V
AVDD Sleep Current I
AVDD_SLEEP
0.9 3 µA
AVDD Standby Current I
AVDD_STBY
1.5 3 µA
DVDD Sleep Current I
DVDD_SLEEP
0.25 1 µA
DVDD Standby Current I
DVDD_STBY
21 200 µA
Analog Supply Current I
AVDD
Bypass mode 2.4 3.0
mA
Buffers mode 2.8 3.5
PGA low-power mode 3.6 5.0
PGA low-noise mode 4.4 6.0
DVDD Operating Current I
DVDD
SINC lter 0.77 1.5 mA
MAX11270 24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma
ADC with Integrated PGA
www.maximintegrated.com
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