Datasheet

MAX1407/MAX1408/MAX1409/MAX1414
Low-Power, 16-Bit Multichannel DAS with
Internal Reference,10-Bit DACs, and RTC
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Figure 3. MAX1409 Functional Diagram
MAX1409
INTERRUPT
GENERATOR
REF
RESET
DGND
16-BIT ADC
PGA
BUF
BUF
WAKE-UP
LOGIC
SERIAL
INTERFACE
2.4576MHz
PLL
32.768kHz
OSCILLATOR
1.25V
BANDGAP
REFERENCE
1.8V/2.7V
µP
SUPERVISORS
RESET
GENERATOR
RTC AND
ALARM
10-BIT DAC
4:1
INPUT
MUX
4:1
INPUT
MUX
BUF
AGND
CPLL FOUT CLKIN CLKOUT
COMPARATOR
AV
DD
SCLK
DIN
DOUT
WU2
WU1
INT
OUT1
FB1
OUT1
AV
DD
IN0
REF
DV
DD
FB1
IN0
REF
AGND
CS
Figure 2. MAX1408 Functional Diagram
MAX1408
INTERRUPT
GENERATOR
REF
RESET
DGND
16-BIT ADC
PGA
BUF
BUF
WAKE-UP
LOGIC
SERIAL
INTERFACE
2.4576MHz
PLL
32.768kHz
OSCILLATOR
1.25V
BANDGAP
REFERENCE
1.8V/2.7V
µP
SUPERVISORS
RESET
GENERATOR
RTC AND
ALARM
DIGITAL
OUTPUT
8:1
INPUT
MUX
8:1
INPUT
MUX
BUF
AGND
CPLL FOUT CLKIN CLKOUT
COMPARATOR
AV
DD
SCLK
DIN
DOUT
IN5
IN4
IN3
IN2
IN1
IN0
REF
AV
DD
IN7
IN6
IN3
IN2
IN1
IN0
REF
AGND
WU2
WU1
SHDN
INT
DRDY
D0
DV
DD
CS