Rainbow Electronics MAX5173 - Manual (Page 7)

MAX5171/MAX5173
Low-Power, Serial, 14-Bit DACs
with Force/Sense Voltage Output
_______________________________________________________________________________________ 7
0
V OUT /V REF
12.5dB/div
20 100k
FFT PLOT
MAX5171 toc10
FREQUENCY (Hz)
V REF = 2.5V DC + 1.414Vp-p
V CS
2V/div
V OUT
100mV/div
MAJOR-CARRY TRANSITION
MAX5171 toc11
5 µ s/div
V OUT
2mV/div
AC-COUPLED
V SCLK
5V/div
DIGITAL FEEDTHROUGH
MAX5171 toc12
400ns/div
-25
-20
-10
-15
-5
0
0 1000 500 1500 2000 2500 3000
REFERENCE VOLTAGE
INPUT FREQUENCY RESPONSE
MAX5171-13
FREQUENCY (kHz)
GAIN (dB)
V REF = 0.67V p-p + 2.5V DC
252
256
254
260
258
266
264
262
268
-50 -10 -30 10 30 50 70 90
NO-LOAD SUPPLY CURRENT
vs. TEMPERATURE
MAX5173-16
TEMPERATURE (°C)
NO-LOAD SUPPLY CURRENT (
µ
A)
V DD
1V/div
V OUT
10mV/div
AC-COUPLED
START-UP GLITCH
MAX5171 toc14
50ms/div
230
240
235
250
245
260
255
265
275
270
280
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)
MAX5171 toc15
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
MAX5173 toc17
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT (
µ A)
Typical Operating Characteristics (continued)
(MAX5171: V DD = +5V, V REF = 2.5V; MAX5173: V DD = +3V, V REF = 1.25V; C L = 100pF, FB = OUT, code = 3FFF hex, T A = +25°C,
unless otherwise noted.)
MAX5171
MAX5173