MAX512/MAX513
Low-Cost, Triple, 8-Bit Voltage Output DACs
with Serial Interface
4 _______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
0.0001 0.1 1000.01 100.001 1
OUTPUT VOLTAGE vs.
OUTPUT SOURCE CURRENT (V
DD
= 3V)
0.5
MAX512 TOC-01
OUTPUT SOURCE CURRENT (mA)
OUTPUT VOLTAGE (V)
1.5
2.5
3.5
0
1
2
3
V
DD
= 3V, V
SS
= GND = 0V
REFAB = V
DD
CODE = ALL 1s
DAC A
DAC B
-2
0 224
TOTAL UNADJUSTED ERROR
vs. DIGITAL CODE (Dual Supplies)
0
8
12
10
MAX512 TOC-04
DIGITAL CODE
TUE (LSB)
160
4
2
32 96
255
19264 128
6
V
DD
= +3V, V
SS
= -3V
REFAB = V
SS
, REFC = V
DD
CODE = ALL 1s
DAC A LOADED WITH 5mA
DAC B LOADED WITH 0.5mA
DAC B NO LOAD
DAC A NO LOAD
DAC C NO LOAD
0.0001 0.1 1000.01 100.001 1
OUTPUT VOLTAGE vs.
OUTPUT SOURCE CURRENT (V
DD
= 5V)
3.8
MAX512 TOC-02
OUTPUT SOURCE CURRENT (mA)
OUTPUT VOLTAGE (V)
4.2
4.6
5.0
5.2
4.0
4.4
4.8
V
DD
= 5V, V
SS
= GND = 0V
REFAB = V
DD
CODE = ALL 1s
DAC A
DAC B
0.0001 0.1 1000.01 100.001 1
OUTPUT VOLTAGE vs.
OUTPUT SINK CURRENT
100
MAX512 TOC-03
OUTPUT SINK CURRENT (mA)
OUTPUT VOLTAGE (mV)
300
500
700
800
900
0
200
400
600
V
DD
= 3V, V
SS
= GND = 0V
REFAB = V
DD
CODE = ALL 1s
DAC A
DAC B
0
-35
0 192 224 255
TOTAL UNADJUSTED ERROR
vs. DIGITAL CODE (Single Supply)
-30
-10
-5
MAX512 TOC-05
DIGITAL CODE
TUE (LSB)
96 128 160
-20
-25
32 64
-15
V
DD
= 3V, V
SS
= GND = 0V
REFAB = 3V
DAC A LOADED WITH 5mA
DAC B LOADED WITH 0.5mA
1.2
0.5
2.5 4.5 5.0 5.5
POSITIVE SUPPLY CURRENT
vs. SUPPLY VOLTAGE
0.6
1.0
1.1
1.5
1.3
1.4
MAX512 TOC-06
V
DD
(V)
I
DD
(mA)
4.0
0.8
0.7
3.0 3.5
0.9
REFAB = REFC = V
DD
ALL LOGIC INPUTS GROUNDED
CONDITIONS
C
L
= 100pF
ns200t
CSPWH
–
C
—
S
–
Pulse Width High
ns150t
OD
Output Delay LOUT
ns100t
CL
SCLK Pulse Width Low
ns100t
CH
SCLK Pulse Width High
ns50t
DH
DIN to SCLK Rise Hold Time
ns50t
DS
DIN to SCLK Rise Setup Time
UNITS
MIN TYP MAX
SYMBOLPARAMETER
ns150t
CSS
–
C
—
S
–
Fall to SCLK Rise Setup Time
ns150t
CSH
SCLK Rise to
–
C
—
S
–
Rise Setup Time
TIMING CHARACTERISTICS (Note 4)
(V
DD
= +4.5V to +5.5V for MAX512, V
DD
= +2.7V to +3.6V for MAX513, V
SS
= GND = 0V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
SERIAL INTERFACE TIMING
Note 4: Guaranteed by design. Not production tested.
