Datasheet

MAX5803/MAX5804/MAX5805
Ultra-Small, Single-Channel, 8-/10-/12-Bit Buffered Output
Voltage DACs with Internal Reference and I
2
C Interface
10Maxim Integrated
Typical Operating Characteristics (continued)
(MAX5805, 12-bit performance, T
A
= +25NC, unless otherwise noted.)
0.02
0.04
0.06
0.08
0.10
0.12
FULL-SCALE ERROR AND GAIN ERROR
vs. TEMPERATURE
MAX5803 toc10
TEMPERATURE (°C)
110
9565 80-10 5 20 35 50-25-40 125
ERROR (%fsr)
0
V
REF
= 2.5V (EXTERNAL)
NO LOAD
GAIN ERROR (V
DD
= 3V)
FULL-SCALE ERROR
GAIN ERROR (V
DD
= 5V)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(2.500V INTERNAL REFERENCE)
MAX5803 toc13
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
5.14.74.33.93.53.1
50
100
150
200
250
300
0
2.7 5.5
V
DD
= V
DDIO
V
DAC
= FULL SCALE
NO LOAD
DAC OFF
REFERENCE
OUTPUT ONLY
DAC ON REFERENCE PAD DRIVEN
DAC ON EXT REFERENCE = 2.5V
DAC ON
REFERENCE PAD UNDRIVEN
50
100
150
200
250
300
350
0
SUPPLY CURRENT vs. CODE
(FOR INTERNAL REF, PIN IS UNDRIVEN)
MAX5803 toc16
CODE (LSB)
SUPPLY CURRENT (µA)
3584307225602048153610245120 4096
NO LOAD, T
A
= +25°C
V
DD
= V
REF(EXT)
= 3V
V
DD
= V
REF(EXT)
= 5V
V
DD
= 5V,
V
REF(INT)
= 4.096V
V
DD
= 5V,
V
REF(INT)
= 2.048V
V
DD
= 5V,
V
REF(INT)
= 2.5V
SUPPLY CURRENT vs. TEMPERATURE
(PIN UNDRIVEN FOR INTERNAL REF MODES)
MAX5803 toc11
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
11095-25 -10 5 35 50 6520 80
140
180
220
260
300
340
380
100
-40 125
V
DD
= V
DDIO
V
DAC_
= FULL SCALE
DAC ENABLED
NO LOAD
V
REF
= V
DD
= 3V
V
REF
= V
DD
= 5V
V
REF
= 2.5V, V
DD
= 3V
V
REF
= 2.048V,
V
DD
= 3V
V
REF
= 4.096V,
V
DD
= 5V
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(4.096V INTERNAL REFERENCE)
MAX5803 toc14
SUPPLY CURRENT (µA)
50
100
150
200
250
300
350
400
0
SUPPLY VOLTAGE (V)
5.255.004.754.504.254.00 5.50
V
DD
= V
DDIO
V
DAC
= FULL SCALE
NO LOAD
DAC OFF
REFERENCE
OUTPUT ONLY
DAC ON
REFERENCE PAD DRIVEN
DAC ON
REFERENCE PAD
UNDRIVEN
I
REF
(EXTERNAL) vs. CODE
MAX5803 toc17
CODE (LSB)
SUPPLY CURRENT (µA)
358430722560204815361024
30
35
40
45
50
55
60
20
25
5120 4096
V
DD
= V
REF
NO LOAD
V
REF
= 5V
V
REF
= 3V
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(2.048V INTERNAL REFERENCE)
MAX5803 toc12
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
5.14.74.33.93.53.1
50
100
150
200
250
300
0
2.7 5.5
V
DD
= V
DDIO
V
DAC
= FULL SCALE
NO LOAD
DAC OFF
REFERENCE
OUTPUT ONLY
DAC ON
REFERENCE PAD DRIVEN
DAC ON
REFERENCE PAD
UNDRIVEN
POWER-DOWN MODE SUPPLY
CURRENT vs. SUPPLY VOLTAGE
MAX5803 toc15
POWER-DOWN SUPPLY CURRENT (µA)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0
SUPPLY VOLTAGE (V)
5.14.74.33.93.53.12.7 5.5
V
DD
= V
REF
(EXTERNAL, ACTIVE)
T
A
= -40°C
T
A
= +85°C
T
A
= +25°C
T
A
= +125°C