Datasheet

MAX5120/MAX5121
+3V/+5V, 12-Bit, Serial Voltage-Output DACs
with Internal Reference
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-0.3
-0.1
-0.2
0.1
0
0.2
0.3
0 20001000 3000 4000 5000
MAX5121
INTEGRAL NONLINEARITY
vs. DIGITAL INPUT CODE
MAX5120/21 toc-13
DIGITAL INPUT CODE
INL (LSB)
-0.25
-0.15
0.05
-0.05
0.15
0.25
200010000 3000 4000 5000
MAX5121
DIFFERENTIAL NONLINEARITY
vs. DIGITAL INPUT CODE
MAX5120/21 toc-14
DIGITAL INPUT CODE
DNL (LSB)
1.240
1.242
1.246
1.244
1.248
1.250
-60 -20 0-40 20 40 60 80 100
MAX5121
REFERENCE VOLTAGE vs. TEMPERATURE
MAX5120/21 toc-15
TEMPERATURE (°C)
REFERENCE VOLTAGE (V)
100
150
300
250
200
350
400
-60 -20 0-40 20 40 60 80 100
MAX5121
SUPPLY CURRENT vs. TEMPERATURE
MAX5120/21 toc-16
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
CODE = AAA HEX
CODE = 000 HEX
2.036
2.038
2.042
2.040
2.044
2.046
-60 -20 0-40 20 40 60 80 100
MAX5121
FULL-SCALE OUTPUT vs. TEMPERATURE
MAX5120/21 toc-19
TEMPERATURE (°C)
FULL-SCALE OUTPUT (V)
R
L
= 5kΩ
C
L
= 100pF
250
300
275
350
325
375
400
2.5 2.9 3.12.7 3.3 3.5 3.7
MAX5121
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX5120/21 toc-17
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
CODE = AAA HEX
CODE = 000 HEX
0
0.2
0.6
0.4
0.8
1.0
-60 -20 0-40 20 40 60 80 100
MAX5121
SHUTDOWN CURRENT vs. TEMPERATURE
MAX5120/21 toc-18
TEMPERATURE (°C)
SHUTDOWN CURRENT (µA)
0.50
1.00
0.1 10 100
MAX5121
FULL-SCALE OUTPUT vs. RESISTIVE LOAD
-0.50
0
-0.25
0.25
-0.75
MAX5120/21 toc-20
R
L
(kΩ)
FULL-SCALE ERROR (LSB)
1
CS
2V/div
OUT
500mV/div
2µs/div
MAX5121
DYNAMIC RESPONSE RISE TIME
MAX5120/21-21
Typical Operating Characteristics (continued)
(V
DD
= +5V (MAX5120), V
DD
= +3V (MAX5121), R
L
= 5kΩ, C
L
= 100pF, OS = AGND, T
A
= +25°C, unless otherwise noted.)