Datasheet

MAX5823/MAX5824/MAX5825
Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered
Output DACs with Internal Reference and I
2
C Interface
5Maxim Integrated
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 2.7V to 5.5V, V
DDIO
= 1.8V to 5.5V, V
GND
= 0V, C
L
= 200pF, R
L
= 2kI, T
A
= -40NC to +125NC, unless otherwise noted.)
(Note 3)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
REFERENCE INPUT
Reference Input Range V
REF
1.24 V
DD
V
Reference Input Current I
REF
V
REF
= V
DD
= 5.5V 55 74 FA
Reference Input Impedance R
REF
75 100 kI
REFERENCE OUTPUT
Reference Output Voltage V
REF
V
REF
= 2.048V, T
A
= +25NC 2.043 2.048 2.053
VV
REF
= 2.5V, T
A
= +25NC 2.494 2.500 2.506
V
REF
= 4.096V, T
A
= +25NC 4.086 4.096 4.106
Reference Temperature
Coefficient (Note 10)
MAX5825A Q3 Q10
ppm/NC
MAX5823/MAX5824/MAX5825B Q10 Q25
Reference Drive Capacity External load 25 kI
Reference Capacitive Load
Handling
200 pF
Reference Load Regulation I
SOURCE
= 0 to 500FA 2 mV/mA
Reference Line Regulation 0.05 mV/V
POWER REQUIREMENTS
Supply Voltage V
DD
V
REF
= 4.096V 4.5 5.5
V
All other options 2.7 5.5
I/O Supply Voltage V
DDIO
1.8 5.5 V
Supply Current (Note 11) I
DD
Internal reference
V
REF
= 2.048V 1.6 2
mA
V
REF
= 2.5V 1.7 2.1
V
REF
= 4.096V 2.0 2.5
External reference
V
REF
= 3V 1.6 2.0
V
REF
= 5V 1.9 2.5
Power-Down Mode Supply
Current
I
PD
All DACs off, internal reference ON 140
FA
All DACs off, internal reference OFF,
T
A
= -40NC to +85NC
0.7 2
All DACs off, internal reference OFF,
T
A
= +125NC
2 4
Digital Supply Current I
DDIO
Static logic inputs, all outputs unloaded 1 FA
DIGITAL INPUT CHARACTERISTICS (SCL, SDA, ADDR0, ADDR1, LDAC, CLR, M/Z)
Input High Voltage (Note 11) V
IH
(All inputs except
M/Z)
2.2V < V
DDIO
< 5.5V
0.7 x
V
DDIO
V
1.8V < V
DDIO
< 2.2V
0.8 x
V
DDIO
V
2.7V < V
DD
< 5.5V (for M/Z)
0.7 x
V
DD