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
5
10
15
20
25
30
35
40
45
50
-1.4 -1 -0.6 -0.2 0.2 0.6 1 1.4
NUMBER OF OCCURRENCES
GAIN ERROR (ppm)
POSITIVE FULL SCALE
GAIN ERROR HISTOGRAM OF 200 PARTS
toc17A
BYPASS MODE
AFTER CALIBRATION
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
0 100 200 300 400 500
AMPLITUDE (dB)
FREQUENCY (Hz)
OUTPUT SPECTRUM
SHORTED INPUTS
BYPASS MODE
SINGLE-CYCLE CONTINUOUS
SINC FILTER
toc14A
100
102
104
106
108
110
112
114
116
118
120
1 2 3 4
SNR (dB)
V
REFP
- V
REFN
(V)
SNR vs. VREF
toc15b
BYPASS MODE
SHORTED INPUTS
0
5
10
15
20
25
30
35
40
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0
NUMBER OF OCCURRENCES
GAIN ERROR (ppm)
NEGATIVE FULL-SCALE
GAIN ERROR HISTOGRAM OF 200 PARTS
toc17B
BYPASS MODE
AFTER CALIBRATION
105
106
107
108
109
110
111
112
113
114
115
-50 0 50 100 150
SNR (dB)
TEMPERATURE (ºC)
SNR
vs. TEMPERATURE
toc15
BYPASS MODE
FULL SCALE = ±3.6V
0
5
10
15
20
25
30
35
-3.0 -1.0 1.0 3.0 5.0 7.0 9.0 11.0 13.0
NUMBER OF OCCURRENCES
OFFSET (nV)
OFFSET HISTOGRAM OF 200 PARTS
toc16
BYPASS MODE
AFTER CALIBRATION
SHORTED INPUTS
MAX11270 24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma
ADC with Integrated PGA
Maxim Integrated │ 12
www.maximintegrated.com
Typical Operating Characteristics (continued)