Datasheet
MAX5823/MAX5824/MAX5825
Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered
Output DACs with Internal Reference and I
2
C Interface
9Maxim Integrated
Typical Operating Characteristics (continued)
(MAX5825, 12-bit performance, T
A
= +25°C, unless otherwise noted.)
FULL-SCALE ERROR AND GAIN ERROR
vs. TEMPERATURE
MAX5823 toc10
TEMPERATURE (°C)
110
9565 80-10 5 20 35 50-25-40 125
ERROR (%fsr)
-0.05
0
0.05
0.10
-0.10
V
REF
= 2.5V (EXTERNAL)
NO LOAD
GAIN ERROR (V
DD
= 3V)
GAIN ERROR (V
DD
= 5V)
FULL-SCALE ERROR
SUPPLY CURRENT vs. TEMPERATURE
MAX5823 toc11
TEMPERATURE (°C)
110
9565 80-10 5 20 35 50-25-40 125
SUPPLY CURRENT (mA)
1.2
1.4
1.6
2.0
1.8
1.0
V
REF
(EXTERNAL) = V
DD
= 5V
V
DD
= V
DDIO
V
OUT_
= FULL SCALE
ALL DACS ENABLED
NO LOAD
V
REF
(INTERNAL) =
4.096V, V
DD
= 5V
V
REF
(INTERNAL) =
2.5V, V
DD
= 5V
V
REF
(INTERNAL) =
2.048V, V
DD
= 5V
V
REF
(EXTERNAL) = V
DD
= 3V
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX5823 toc12
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
5.14.73.9 4.33.53.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
2.7 5.5
V
DD
= V
DDIO
V
OUT_
= FULL SCALE
ALL DACS ENABLED
NO LOAD
V
REF
(INTERNAL) = 4.096V
V
REF
(INTERNAL) = 2.5V
V
REF
(INTERNAL) =
2.048V
V
REF
= 2.5V (EXTERNAL)
POWER-DOWN MODE SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5823 toc13
SUPPLY VOLTAGE (V)
POWER-DOWN SUPPLY CURRENT (µA)
5.14.74.33.93.53.1
0.4
0.8
1.2
1.6
2.0
0
2.7 5.5
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
V
DD
= V
DDIO
V
REF
= 2.5V (EXTERNAL)
POWER-DOWN MODE WITH HI-Z
NO LOAD
I
VDD
vs. CODE
MAX5823 toc14
CODE (LSB)
SUPPLY CURRENT (mA)
358430722560204815361024
0.4
0.8
1.2
1.6
2.0
0
5120 4096
V
DD
= 5V, V
REF
= 4.096V
V
DD
= V
REF
= 3V
V
DD
= 5V,
V
REF
= 2.048V
V
DD
= 5V,
V
REF
= 2.5V
V
DD
= V
REF
= 5V
NO LOAD
I
REF
(EXTERNAL) vs. CODE
MAX5823 toc15
CODE (LSB)
REFERENCE CURRENT (µA)
358430722560204815361024
10
20
30
40
50
60
0
5120 4096
V
DD
= V
REF
NO LOAD
V
REF
= 5V
V
REF
= 3V
MAX5823 toc16
TRIGGER PULSE
5V/div
V
OUT
0.5V/div
ZOOMED V
OUT
1 LSB/div
4µs/div
SETTLING TO ±1 LSB
(V
DD
= V
REF
= 5V, R
L
= 2kI, C
L
= 200pF)
3.75µs
1/4 SCALE TO 3/4 SCALE
MAX5823 toc17
TRIGGER PULSE
5V/div
V
OUT
0.5V/div
ZOOMED V
OUT
1 LSB/div
4µs/div
SETTLING TO ±1 LSB
(V
DD
= V
REF
= 5V, R
L
= 2kI, C
L
= 200pF)
3/4 SCALE TO 1/4 SCALE
4.3µs