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MAX544BCPA+

P1-P3P4-P6P7-P9P10-P12
MAX544/MAX545
+5V, Serial-Input, Voltage-Output, 14-Bit DACs
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= 5V, V
REF
= +2.5V, T
A
= +25°C, unless otherwise noted.)
0.50
0.45
0.40
0.35
0.30
0.25
0.20
-40 -20 0 20 40 60 80 100
MAX544/MAX545-01
SUPPLY CURRENT (mA)
SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
0.35
0.34
0.33
0.32
0.31
0.30
0.29
0.28
0.27
0.26
0.25
0123456
MAX544/MAX545-02
SUPPLY CURRENT (mA)
SUPPLY CURRENT
vs. REFERENCE VOLTAGE
REFERENCE VOLTAGE (V)
0.20
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
-0.20
-60 -20 20 60 100 140
MAX544/MAX545-03
ZERO-CODE OFFSET ERROR (LSB)
TEMPERATURE (°C)
ZERO-CODE OFFSET ERROR
vs. TEMPERATURE
0.30
0.20
0.10
0
-0.10
-0.20
-0.30
-60 -20 20 60 100 140
MAX544/MAX545-04
INL (LSB)
TEMPERATURE (°C)
INTEGRAL NONLINEARITY
vs. TEMPERATURE
+INL
-INL
-0.125
-0.250
0.125
0
0.250
0
5k 10k 15k 20k
MAX544/MAX545-07
INL (LSB)
INTEGRAL NONLINEARITY
vs. CODE
DAC CODE
0.30
0.20
0.10
0
-0.10
-0.20
-0.30
-60 -20 20 60 100 140
MAX544/MAX545-05
DNL (LSB)
TEMPERATURE (°C)
DIFFERENTIAL NONLINEARITY
vs. TEMPERATURE
+DNL
-DNL
0.20
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
-0.20
-60 -20 20 60 100 140
MAX544/MAX545-06
GAIN ERROR (LSB)
TEMPERATURE (°C)
GAIN ERROR
vs. TEMPERATURE
0.250
0.125
-0.125
0
-0.250
0
5k 10k 15k
20k
MAX544/MAX545-08
DNL (LSB)
DIFFERENTIAL NONLINEARITY
vs. CODE
DAC CODE
200
160
120
80
40
0
0 4k 8k 12k 16k 20k
MAX544/MAX545-09
REFERENCE CURRENT (µA)
DAC CODE
REFERENCE CURRENT
vs. CODE
MAX544/MAX545
+5V, Serial-Input, Voltage-Output, 14-Bit DACs
_______________________________________________________________________________________ 5
MAX544-10
FULL-SCALE STEP RESPONSE
(f
SCLK
= 10MHz)
2µs/div
OUT
500mV/div
C
L
= 10pF
R
L
= ∞
1µs/div
MAX544-10A
FULL-SCALE STEP RESPONSE
(f
SCLK
= 20MHz)
2µs/div
OUT
500mV/div
400ns/div
C
L
= 10pF
R
L
= ∞
MAX544/MAX545-11
MAJOR-CARRY OUTPUT GLITCH
2µs/div
OUT
(AC-COUPLED,
100mV/div)
CS
(5V/div)
MAX544/MAX545-12
DIGITAL FEEDTHROUGH
2µs/div
SCLK
5V/div
OUT
(AC-COUPLED,
50mV/div)
CODE = 0000 hex
Typical Operating Characteristics (continued)
(V
DD
= +5V, V
REF
= +2.5V, T
A
= +25°C, unless otherwise noted.)
Pin Descriptions
+5V Supply VoltageV
DD
8
Digital GroundDGND7
Serial-Data InputDIN6
Serial-Clock Input. Duty cycle must be between 40% and 60%.SCLK5
Chip-Select Input
CS
4
Voltage Reference Input. Connect to external +2.5V reference.REF3
Analog GroundAGND2
DAC Output VoltageOUT1
FUNCTIONNAMEPIN
MAX544
MAX544/MAX545
+5V, Serial-Input, Voltage-Output, 14-Bit DACs
6 _______________________________________________________________________________________
Pin Descriptions (continued)
t
CSHO
t
CH
t
CSSO
t
CL
t
DH
t
DS
t
CSH1
t
CSS1
t
LDACS
t
LDAC
CS
SCLK
DIN
LDAC*
*MAX545 ONLY
D13 D12
S0
Figure 1. Timing Diagram
+5V Supply Voltage
V
DD
Digital GroundDGND12
LDAC Input. A falling edge updates the internal DAC latch.LDAC
11
Serial-Data InputDIN10
No Connection. Not internally connected.N.C.9
Serial-Clock Input. Duty cycle must be between 40% and 60%.SCLK8
Chip-Select Input
CS
7
Voltage Reference Input (force). Connect REFF to external +2.5V reference.REFF6
Voltage Reference Input (sense). Connect REFS to external +2.5V reference.REFS5
Analog Ground (sense)AGNDS4
Analog Ground (force)AGNDF3
DAC Output VoltageOUT2
Feedback Resistor. Connect to external op amp’s output in bipolar mode.RFB1
FUNCTIONNAMEPIN
Junction of internal scaling resistors. Connect to external op amp’s inverting input in
bipolar mode.
INV13
14
MAX545
P1-P3P4-P6P7-P9P10-P12

MAX544BCPA+

Mfr. #:
Buy MAX544BCPA+
Manufacturer:
Maxim Integrated
Description:
Digital to Analog Converters - DAC 14-Bit Precision DAC
Lifecycle:
New from this manufacturer.
Delivery:
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