Datasheet

_______________________________________________________________________________________ 7
MAX11205
16-Bit, Single-Channel, Ultra-Low Power,
Delta-Sigma ADC with 2-Wire Serial Interface
Typical Operating Characteristics (continued)
(V
AVDD
= 3.6V, V
DVDD
= 1.8V, V
REFP
- V
REFN
= V
AVDD
; internal clock; T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at T
A =
+25NC.)
Functional Diagram
NORMAL-MODE FREQUENCY RESPONSE
(MAX11205B)
MAX11205 toc19
FREQUENCY (Hz)
GAIN (dB)
10010
-120
-100
-80
-60
-40
-20
0
-140
1 1k
NORMAL-MODE REJECTION OF 50Hz TO 60Hz
(MAX11205B)
MAX11205 toc20
FREQUENCY (Hz)
GAIN (dB)
6560555045
-120
-100
-80
-60
-40
-20
0
-140
40 70
TIMING
CLOCK GENERATOR
DIGITAL LOGIC
AND SERIAL-
INTERFACE
CONTROLLER
DIGITAL FILTER
(SINC
4
)
3RD-ORDER
DELTA-SIGMA
MODULATOR
CLK
AVDD
MAX11205
REFP
REFN
AINP
AINN
DVDD
GND
SCLK
RDY/DOUT