Datasheet

(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.)
0
50
100
150
200
250
300
350
400
450
-80-70-60-50-40-30-20-10 0 10 20 30 40 50 60 70 80
NUMBER OF OCCURRENCES
NOISE (µV)
64ksps NOISE HISTOGRAM
toc09
BYPASS MODE
SINC FILTER
SHORTED INPUTS
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-2.5 -1.5 -0.5 0.5 1.5 2.5
INL (ppm)
DIFFERENTIAL INPUT (V)
INL vs. INPUT VOLTAGE
T
A
= +85°C
toc10A
T
A
= +25°C
T
A
= -40°C
Bypass Mode
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-2.5 -1.5 -0.5 0.5 1.5 2.5
INL (ppm)
DIFFERENTIAL INPUT (V)
INL vs. INPUT VOLTAGE
T
A
= +25°C
toc10B
Buffer Mode
T
A
= +85°C
T
A
= -40°C
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-0.65 -0.325 0 0.325 0.65
INL (ppm)
DIFFERENTIAL INPUT (V)
INL vs INPUT VOLTAGE
T
A
=+85°C
toc10C
PGA = 4 LN Mode
T
A
=+25°C
T
A
= -40°C
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-0.65 -0.325 0 0.325 0.65
INL (ppm)
DIFFERENTIAL INPUT (V)
INL vs. INPUT VOLTAGE
T
A
= +85°C
toc10D
PGA = 4 LP Mode
T
A
= +25°C
T
A
= -40°C
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
-50 0 50 100 150
OFFSET ERROR (µV)
TEMPERATURE (°C)
OFFSET ERROR
vs. TEMPERATURE
toc11
CALIBRATED AT 25°C
BYPASS MODE
0
1
2
3
4
5
6
7
2.5 3 3.5 4
OFFSET ERROR (µV)
V
AVDD
(V)
OFFSET ERROR
vs. AVDD
toc12
CALIBRATED AT V
AVDD
= 3.15V
BYPASS MODE
0
1
2
3
4
5
6
7
8
9
10
1 2 3 4
OFFSET ERROR (µV)
V
REFP
- V
REFN
(V)
SELF CALIBRATION OFFSET ERROR
vs. V
REFP
- V
REFN
toc13
BYPASS MODE
MAX11270 24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma
ADC with Integrated PGA
Maxim Integrated │ 11
www.maximintegrated.com
Typical Operating Characteristics (continued)