Datasheet

MAX5803/MAX5804/MAX5805
Ultra-Small, Single-Channel, 8-/10-/12-Bit Buffered Output
Voltage DACs with Internal Reference and I
2
C Interface
14Maxim Integrated
Pin Configurations
Pin Description
PIN NAME FUNCTION
1 AUX
Active-Low Auxilliary Asynchronous Input. User Configurable, see Table 7. If not using the AUX
functions, connect this input to V
DDIO
.
2 LDAC Dedicated Active-Low Asynchronous Load DAC
3 ADDR I
2
C Interface Address Selection
4 SCL I
2
C Interface Clock Input
5 SDA I
2
C Bidirectional Serial Data
6 V
DDIO
Digital Interface Power-Supply Input
7 V
DD
Supply Voltage Input. Bypass V
DD
with a 0.1FF capacitor to GND.
8 GND Ground
9 OUT Buffered DAC Output
10 REF Reference Voltage Input/Output
— EP Exposed Pad (TDFN Only). Connect to ground.
MAX5803
MAX5804
MAX5805
MAX5803
MAX5804
MAX5805
REF
OUT
GND
V
DD
SCL
ADDR
LDAC
AUX
V
DDIO
SDA
*CONNECTED TO GND
TOP VIEW
1
+
3
4
REF
GND
V
DDIO
V
DD
2 OUT
AUX
ADDR
*EP
SCL
LDAC
TDFN
5SDA
10
8
7
9
6
µMAX
+
1
4
5
2
3
10
9
8
7
6