Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
16
__________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600
© 1995 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.
MAX199
Multi-Range (±4V, ±2V, +4V, +2V),
+5V Supply, 12-Bit DAS with 8+4 Bus Interface
_________________________________________________________Functional Diagram
T/H
THREE-STATE, BIDIRECTIONAL
I/O INTERFACE
MUX
4
4
12
8
10k
8
8
8
SUCCESSIVE-
APPROXIMATION
REGISTER
CHARGE REDISTRIBUTION
12-BIT DAC
CLOCK
SIGNAL
CONDITIONING
BLOCK
&
OVERVOLTAGE
TOLERANT
MUX
CONTROL LOGIC
&
LATCHES
REF REFADJ
+2.5V
REFERENCE
D0–D7
8-BIT DATA BUS
CH7
CH6
CH5
CH4
CH3
CH2
CH1
CH0
CLK
CS
WR
RD
SHDN
INT
V
DD
AGND
DGND
HBEN
MAX199
A
V
=
1.638
COMP
