Datasheet

MAX5823/MAX5824/MAX5825
Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered
Output DACs with Internal Reference and I
2
C Interface
12Maxim Integrated
Typical Operating Characteristics (continued)
(MAX5825, 12-bit performance, T
A
= +25°C, unless otherwise noted.)
0.1Hz TO 10Hz OUTPUT NOISE, EXTERNAL
REFERENCE (V
DD
= 5V, V
REF
= 4.5V)
MAX5823 toc31
2µV/div
MIDSCALE UNLOADED
V
P-P
= 12µV
4s/div
0.1Hz TO 10Hz OUTPUT NOISE, INTERNAL
REFERENCE (V
DD
= 5V, V
REF
= 2.048V)
MAX5823 toc32
2µV/div
MIDSCALE UNLOADED
V
P-P
= 13µV
4s/div
0.1Hz TO 10Hz OUTPUT NOISE, INTERNAL
REFERENCE (V
DD
= 5V, V
REF
= 2.5V)
MAX5823 toc33
2µV/div
MIDSCALE UNLOADED
V
P-P
= 15µV
4s/div
0.1Hz TO 10Hz OUTPUT NOISE, INTERNAL
REFERENCE (V
DD
= 5V, V
REF
= 4.096V)
MAX5823 toc34
2µV/div
MIDSCALE UNLOADED
V
P-P
= 16µV
4s/div
V
REF
DRIFT vs. TEMPERATURE
MAX5823 toc35
TEMPERATURE DRIFT (ppm/°C)
PERCENT OF POPULATION (%)
4.34.14.03.93.73.63.43.33.23.02.9
5
10
15
20
25
0
2.8 4.4
REFERENCE LOAD REGULATION
MAX5823 toc36
REFERENCE OUTPUT CURRENT (µA)
DV
REF
(mV)
45040035030025020015010050
-0.8
-0.6
-0.4
-0.2
0
-1.0
0 500
V
REF
= 2.048V, 2.5V, AND 4.096V
V
DD
= 5V
INTERNAL REFERENCE
SUPPLY CURRENT vs. INPUT LOGIC VOLTAGE
(V
DD
= 3V)
MAX5823 toc37
INPUT LOGIC VOLTAGE (V)
SUPPLY CURRENT (µA)
4321
200
400
600
800
1000
1200
1400
1600
1800
2000
0
05
V
DDIO
= 5V
V
DDIO
= 3V
V
DDIO
= 1.8V
SDA , SCL, CLR, AND LDAC SWEPT FROM
0V TO V
DDIO
AND
V
DDIO
TO 0V