Datasheet

MAX512/MAX513
Low-Cost, Triple, 8-Bit Voltage Output DACs
with Serial Interface
_______________________________________________________________________________________ 5
-1.5
-5 2 4
SUPPLY CURRENT
vs. REFERENCE VOLTAGE
-1.0
1.0
1.5
MAX512 TOC-07
REFAB = REFC (V)
I
SUPPLY
(mA)
0
0
-0.5
-4 -2 31-3 -1
0.5
I
DD
, V
DD
= 3V, V
SS
= -3V
I
SS
, V
DD
= 3V, V
SS
= -3V
I
SS
, V
DD
= 5V, V
SS
= -5V
I
DD
, V
DD
= 5V, V
SS
= -5V
REFC GROUNDED FOR REF_ < 0
CODE = ALL 1s
1.340
-60 80 120140
POSITIVE SUPPLY CURRENT
vs. TEMPERATURE
1.345
1.365
1.370
MAX512 TOC-08
TEMPERATURE (°C)
I
DD
(mA)
40
1.355
1.350
-40 0 10060-20 20
1.360
V
DD
= +5V, V
SS
= GND = 0V
REFAB = REFC = V
DD

ALL LOGIC INPUTS = +5V
ALL DACs SET TO ALL 1s
0
0.5
-60 80 120140
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
1.0
1.5
4.0
4.5
MAX512 TOC-09
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT (µA)
40
3.0
2.5
2.0
-40 0 10060-20 20
3.5
V
DD
= +5V, V
SS
= GND = 0V
REFAB = REFC = V
DD

ALL LOGIC INPUTS = +5V
0.01 101 10000.1 100
REFERENCE FEEDTHROUGH
vs. FREQUENCY
-100
MAX512 TOC-10
FREQUENCY (kHz)
FEEDTHROUGH (dB)
-60
-20
-120
-80
-40
0
V
DD
= 3V, V
SS
= GND = 0V
REF_ FROM 0V TO 2.9V
NO LOAD
CODE = ALL 0s
DAC A, B
DAC C
0.001 1 10000.1 1000.01 10
REFERENCE LARGE-SIGNAL
FREQUENCY RESPONSE
-20
MAX512 TOC-11
FREQUENCY (kHz)
RELATIVE OUTPUT (dB)
-10
0
-25
-15
-5
5
V
DD
= 3V, V
SS
= GND = 0V
REFAB, REFC
SINE WAVE 0V TO V
DD
 100k 10k 1k
0.1k
1M
10M
REFERENCE SMALL-SIGNAL
FREQUENCY RESPONSE
-80
MAX512 TOC-12
FREQUENCY (Hz)
RELATIVE OUTPUT (dB)
-40
0



-60
-20

DAC C
DAC A
DAC B
V
DD
= 3V, V
SS
= GND = 0V
REFAB, REFC
SINE WAVE ±40mV
____________________________Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)