+5 V, Lo w -P o w e r, Vo lt a g e -Ou t p u t ,
S e ria l 1 2 -Bit DACs
18/MAX539
____________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s (c o n t in u e d )
(V = +5V, V
= 2.048V, T = +25°C, unless otherwise noted.)
A
DD
REFIN
MAX531
GAIN AND PHASE vs. FREQUENCY
MAX531 REFERENCE OUTPUT VOLTAGE
vs. REFERENCE LOAD CURRENT
20
10
2.0520
2.0515
180
RFB CONNECTED TO AGND (G=2)
RFB CONNECTED TO VOUT (G=1)
GAIN
2.0510
2.0505
2.0500
2.0495
2.0490
0
-10
-20
0
PHASE
-180
-30
1
10
100
800
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
REFERENCE LOAD CURRENT (mA)
FREQUENCY (kHz)
DIGITAL FEEDTHROUGH
A
B
2µs/div
CS = HIGH
A: DIN = 4Vp-p, 100kHz
B: VOUT, 10mV/div
NEGATIVE SETTLING TIME (MAX531)
POSITIVE SETTLING TIME (MAX531)
A
A
B
B
5µs/div
5µs/div
V
DD
= ±5V, V
= 2V, BIPOLAR CONFIGURATION
V
DD
= ±5V, V
= 2V, BIPOLAR CONFIGURATION
REFIN
REFIN
A: CS RISING EDGE, 5V/div
B: VOUT, NO LOAD, 1V/div
A: CS RISING EDGE, 5V/div
B: VOUT, NO LOAD, 1V/div
_______________________________________________________________________________________
7
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
