Datasheet

MAX531/MAX538/MAX539
+5V, Low-Power, Voltage-Output,
Serial 12-Bit DACs
_______________________________________________________________________________________ 7
____________________________Typical Operating Characteristics (continued)
(V
DD
= +5V, V
REFIN
= 2.048V, T
A
= +25°C, unless otherwise noted.)
20
-30
1
MAX531
GAIN AND PHASE vs. FREQUENCY
-10
10
MAX531-10
FREQUENCY (kHz)
GAIN (dB)
10 100
0
-20
800
-180
0
180
GAIN
PHASE
RFB CONNECTED TO AGND (G=2)
RFB CONNECTED TO VOUT (G=1)
PHASE (degrees)
2.0520
2.0490
0 5.0
MAX531 REFERENCE OUTPUT VOLTAGE
vs. REFERENCE LOAD CURRENT
2.0495
2.0515
MAX531-14
REFERENCE LOAD CURRENT (mA)
REFERENCE OUTPUT (V)
3.0
2.0505
2.0500
1.0 2.0 4.0
2.0510
0.5 1.5 2.5 3.5 4.5

V
DD
= ±5V, V
REFIN
= 2V, BIPOLAR CONFIGURATION
A: CS RISING EDGE, 5V/div
B: VOUT, NO LOAD, 1V/div

A
B
NEGATIVE SETTLING TIME (MAX531)
5µs/div
DIGITAL FEEDTHROUGH
A
B
CS = HIGH
A: DIN = 4Vp-p, 100kHz
B: VOUT, 10mV/div

2µs/div
A
B
POSITIVE SETTLING TIME (MAX531)

V
DD
= ±5V, V
REFIN
= 2V, BIPOLAR CONFIGURATION
A: CS RISING EDGE, 5V/div
B: VOUT, NO LOAD, 1V/div

5µs/div