Rainbow Electronics MAX5172 - Manual (Page 7)

MAX5170/MAX5172
Low-Power, Serial, 14-Bit DACs
with Voltage Output
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V OUT /V REF
12.5dB/div
20
0
100k
FFT PLOT
MAX5170/72 toc10
FREQUENCY (Hz)
V REF = 1.25V DC + 1.13Vp-p, at f = 10kHz
V CS
2V/div
V OUT
100mV/div
MAJOR-CARRY TRANSITION
MAX5170/72 toc11
5 µ s/div
V OUT
2mV/div
AC-
COUPLED
V SCLK
5V/div
DIGITAL FEEDTHROUGH
MAX5170/72 toc12
400ns/div
-25
-15
-20
-5
-10
0
5
0 1000 1500 500 2000 2500 3000
REFERENCE INPUT FREQUENCY RESPONSE
MAX5170/72 toc13
FREQUENCY (kHz)
GAIN (dB)
V REF = 0.67V p-p + 1.5V DC
V DD
1V/div
V OUT
10mV/div
AC-COUPLED
START-UP GLITCH
MAX5170/72 toc14
50ms/div
MAX5170
MAX5172
260
270
275
280
275
290
285
295
-50 -10 10 -30 30 50 70 90
NO-LOAD SUPPLY CURRENT
vs. TEMPERATURE
MAX5170/72 toc16
TEMPERATURE (°C)
NO-LOAD SUPPLY CURRENT (
µ A)
250
260
255
270
265
280
275
285
295
290
300
2.5 2.7 2.8 2.9 2.6 3 3.1 3.2 3.4 3.3 3.5
NO-LOAD SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
NO-LOAD SUPPLY CURRENT (
µ A)
MAX5170/72 toc15
0.44
0.48
0.46
0.52
0.5
0.58
0.56
0.54
0.60
-50 -10 -30 10 30 50 70 90
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX5170/72 toc17
TEMPERATURE (°C)
SUPPLY CURRENT (
µ A)
Typical Operating Characteristics (continued)
(MAX5170: V DD = +5V, V REF = 2.5V; MAX5172: V DD = +3V, V REF = 1.25V; C L = 100pF, OS = AGND, code = 3FFF hex, T A = +25°C,
unless otherwise noted.)