Rainbow Electronics MAX5176 - Manual (Page 7)

MAX5174/MAX5176
Low-Power, Serial, 12-Bit DACs
with Voltage Output
_______________________________________________________________________________________ 7
0
V OUT /V REF
12.5dB/div
20 100k
FFT PLOT
MAX5174/76 toc10
FREQUENCY (Hz)
V REF = 1.25V DC + 1.13Vp-p at f = 10kHz
5 µ s/div
MAJOR-CARRY TRANSITION
V OUT
100mV/div
MAX5174/6 toc11
V CS
V/div
400ns/div
DIGITAL FEEDTHROUGH
V SCLK
5V/div
MAX5174/6 toc12
V OUT
2mV/div
AC-COUPLED
-25
-15
-20
-5
-10
0
5
0 1000 1500 500 2000 2500 3000
REFERENCE INPUT FREQUENCY RESPONSE
MAX5174/6toc13
FREQUENCY (kHz)
GAIN (dB)
V REF = 0.67Vp-p + 1.5V DC
5Oms/div
START-UP GLITCH
V OUT
10mV/div
AC-COUPLED
MAX5174/6 toc14
V DD
1V/div
Typical Operating Characteristics (continued)
(MAX5174: V
DD
= +5V, V
REF
= 2.5V; MAX5176: V
DD
= +3V, V
REF
= +1.25V; C
L
= 100pF, OS = AGND, code = FFF hex,
T A = +25°C, unless otherwise noted.)
MAX5174
MAX5176
250
260
255
270
265
280
275
285
295
290
300
2.5 2.7 2.8 2.9 2.6 3.0 3.1 3.2 3.4 3.3 3.5
NO-LOAD SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5174/6toc15
SUPPLY VOLTAGE (V)
NO-LOAD SUPPLY CURRENT (
µ
A)
260
270
265
280
275
290
285
295
-50 -10 10 -30 30 50 70 90
NO-LOAD SUPPLY CURRENT
vs. TEMPERATURE
MAX5174/6toc16
TEMPERATURE (°C)
NO-LOAD SUPPLY CURRENT (
µ A)
0.44
0.48
0.46
0.52
0.50
0.58
0.56
0.54
0.60
-50 -10 -30 10 30 50 70 90
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX5174/6 toc17
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT (
µ
A)