+5V, Low-Power, Voltage-Output,
Serial 12-Bit DACs
____________________________Typical Operating Characteristics (continued)
(V
DD
= +5V, V
REFIN
= 2.048V, T
A
= +25°C, unless otherwise noted.)
MAX531
GAIN AND PHASE vs. FREQUENCY
MAX531-10
MAX531/MAX538/MAX539
MAX531 REFERENCE OUTPUT VOLTAGE
vs. REFERENCE LOAD CURRENT
MAX531-14
20
RFB CONNECTED TO AGND (G=2)
RFB CONNECTED TO VOUT (G=1)
GAIN
180
2.0520
2.0515
REFERENCE OUTPUT (V)
10
PHASE (degrees)
2.0510
2.0505
2.0500
2.0495
GAIN (dB)
0
PHASE
-10
0
-20
-30
1
10
100
800
FREQUENCY (kHz)
-180
2.0490
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)
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
V
DD
= ±5V, V
REFIN
= 2V, BIPOLAR CONFIGURATION
A: CS RISING EDGE, 5V/div
B: VOUT, NO LOAD, 1V/div
5µs/div
V
DD
= ±5V, V
REFIN
= 2V, BIPOLAR CONFIGURATION
A: CS RISING EDGE, 5V/div
B: VOUT, NO LOAD, 1V/div
_______________________________________________________________________________________
7
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
