Rainbow Electronics MAX5177 - Manual (Page 7)

MAX5175/MAX5177
Low-Power, Serial, 12-Bit DACs with
Force/Sense Voltage Output
_______________________________________________________________________________________ 7
V OUT /V REF
(12.5dB/div)
20
0
100k
FFT PLOT
MAX5175 toc10
FREQUENCY (Hz)
V REF = 2.5 V DC + 1.414Vp-p at f = 10kHz
V OUT
(100mV/div)
V CS
(2V/div)
MAJOR-CARRY TRANSITION
MAX5175-11
V/SCLK
(5V/div)
400ns/div
V OUT
(2mV/div)
DIGITAL FEEDTHROUGH
MAX5175-12
AC-COUPLED
-25
-20
-10
-15
-5
0
0 1000 500 1500 2000 2500 3000
REFERENCE INPUT FREQUENCY RESPONSE
MAX5175-13
FREQUENCY (kHz)
GAIN (dB)
V REF = 0.67Vp-p + 1.25V DC
252
256
254
260
258
266
264
262
268
-50 -10 -30 10 30 50 70 90
NO-LOAD SUPPLY CURRENT
vs. TEMPERATURE
MAX5175-16
TEMPERATURE (°C)
NO-LOAD SUPPLY CURRENT (
µ A)
V OUT
(10mV/div)
V DD
(1V/div)
50ms/div
START-UP GLITCH
MAX5175-14
AC-COUPLED
230
240
235
250
245
260
255
265
275
270
280
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
MAX5175-15
SUPPLY VOLTAGE (V)
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
MAX5175-17
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT (
µ A)
Typical Operating Characteristics (continued)
(MAX5175: V
DD
= +5V, V
REF
= 2.5V; MAX5177: V
DD
= +3V, V
REF
= 1.25V; C
L
= 100pF, FB = OUT, code = FFF hex, T
A
= +25°C,
unless otherwise noted.)
MAX5175
MAX5177