MAX11208 Datasheet, PDF (7/14 Pages) Maxim Integrated Products – 20-Bit, Single-Channel, Ultra-Low-Power, Delta-Sigma ADC with 2-Wire Serial Interface

20-Bit, Single-Channel, Ultra-Low-Power,
Delta-Sigma ADC with 2-Wire Serial Interface
Typical Operating Characteristics (continued)
(VAVDD = 3.6V, VDVDD = 1.8V, VREFP - VREFN = AVDD; internal clock; TA = TMIN to TMAX, unless otherwise specified. Typical values
are at TA = +25NC.)
NORMAL-MODE FREQUENCY RESPONSE
(MAX11208B)
0
-20
-40
-60
-80
-100
-120
-140
1
10
100
1k
FREQUENCY (Hz)
NORMAL MODE REJECTION OF 50Hz TO 60Hz
(MAX11208B)
0
-20
-40
-60
-80
-100
-120
-140
40 45 50 55 60 65 70
FREQUENCY (Hz)
Functional Diagram
AVDD
DVDD
GND
AINP
AINN
REFP
REFN
TIMING
CLOCK GENERATOR
CLK
3RD-ORDER
DELTA-SIGMA
MODULATOR
DIGITAL FILTER
(SINC4)
DIGITAL LOGIC
AND SERIAL-
INTERFACE
CONTROLLER
MAX11208
SCLK
RDY/DOUT
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