Rainbow Electronics MAX5531 - Manual (Page 7)

MAX5530/MAX5531
Ultra-Low-Power, 12-Bit,
Voltage-Output DACs
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DNL vs. INPUT CODE
(V DD = V REF = 5V)
MAX5530 toc10
DIGITAL INPUT CODE
DNL (LSB)
4000 3500 3000 2500 2000 1500 1000 500
-0.10
-0.05
0
0.05
0.10
0.15
0.20
-0.15
0 4500
OFFSET VOLTAGE
vs. TEMPERATURE
MAX5530 toc11
TEMPERATURE (°C)
OFFSET VOLTAGE (mV)
60 35 10 -15
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
-40 85
V
DD
= 5V
V REF = 3.9V
GAIN-ERROR CHANGE
vs. TEMPERATURE
MAX5530 toc12
TEMPERATURE (°C)
GAIN-ERROR CHANGE (LSB)
60 35 10 -15
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
-40 85
V
DD
= 5V
V REF = 3.9V
DIGITAL FEEDTHROUGH RESPONSE
MAX5530 toc13
20µs/div
CS
5V/div
SCLK
5V/div
DIN
5V/div
OUT
50mV/div
ZERO SCALE
DAC OUTPUT LOAD REGULATION
vs. OUTPUT CURRENT
MAX5530 toc14
DAC OUTPUT CURRENT (µA)
DAC OUTPUT VOLTAGE (V)
800 600 400 200 0 -200 -400 -600 -800
0.6042
0.6044
0.6046
0.6048
0.6050
0.6040
-1000 1000
V DD = 1.8V
DAC CODE = MIDSCALE
V
REF = 1.2V
DAC OUTPUT VOLTAGE
vs. OUTPUT SOURCE CURRENT
MAX5530 toc16
OUTPUT SOURCE CURRENT (mA)
OUTPUT VOLTAGE (V)
10 1 0.1 0.01
1
2
3
4
5
0
0.001 100
V REF = V DD
CODE = MIDSCALE
V DD = 5V
V DD = 3V
V DD = 1.8V
DAC OUTPUT VOLTAGE
vs. OUTPUT SINK CURRENT
MAX5530 toc17
OUTPUT SINK CURRENT (mA)
DAC OUTPUT VOLTAGE (V)
10 1 0.1 0.01
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
0.001 100
V REF = V DD
CODE = MIDSCALE
V DD = 5V
V DD = 3V
V DD = 1.8V
OUTPUT LARGE-SIGNAL STEP RESPONSE
(V DD = 1.8V, V REF = 1.2V)
MAX5530 toc18
100µs/div
V OUT
200mV/div
Typical Operating Characteristics (continued)
(V
DD
= 5.0V, V REF = 4.096V (MAX5530), V REF = 3.9V (MAX5531), T
A
= +25°C, unless otherwise noted.)
DAC OUTPUT LOAD REGULATION
vs. OUTPUT CURRENT
MAX5530 toc15
DAC OUTPUT CURRENT (mA)
DAC OUTPUT VOLTAGE (V)
8 6 -8 -6 -4 0 2 -2 4
1.9405
1.9410
1.9415
1.9420
1.9425
1.9430
1.9435
1.9440
1.9400
-10 10
V DD = 5.0V
DAC CODE = MIDSCALE
V
REF = 3.9V