Rainbow Electronics MAX5172 - Manual (Page 8)

MAX5170/MAX5172
Low-Power, Serial, 14-Bit DACs
with Voltage Output
8 _______________________________________________________________________________________
2.5
-0.5
10 100 1k 10k 100k
OUTPUT VOLTAGE vs. LOAD RESISTANCE
0
1.0
2.0
MAX5170/72 toc19
R L ( Ω )
OUTPUT VOLTAGE (V) 0.5
1.5
V CS
3V/div
3V
10mV
2.048V
0
V OUT
500mV/div
DYNAMIC RESPONSE
MAX5170/72 toc20
2 µ s/div
V CS
3V/div
3V
10mV
2.048V
0
V OUT
500mV/div
DYNAMIC RESPONSE
MAX5170/72 toc21
2 µ s/div
-78.0
10 100 1k 10k 100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
-81.0
-80.5
-80.0
-79.5
-79.0
-78.5
-81.5
-82.0
MAX5170/72 toc22
FREQUENCY (Hz)
THD + NOISE (dB)
OUT
100mV/div
5 µ s/div
MAJOR-CARRY TRANSITION
MAX5170/72 toc25
CS
2V/div
AC-COUPLED
V OUT /V REF
12.5dB/div
20
0
10k
REFERENCE FEEDTHROUGH
MAX5170/72 toc23
FREQUENCY (Hz)
V REF = 0.8V DC + 1.6V p-p at f = 1kHz
FFT PLOT
MAX5170/72 toc24
FREQUENCY (Hz)
V OUT /V REF
12.5dB/div
20
0
100k
V REF = 0.9V DC + 0.424V p-p
at f = 10kHz
OUT
500
µ V/div
2 µ s/div
SCLK
2V/div
DIGITAL FEEDTHROUGH (SCLK, OUT)
MAX5170/72 toc26
AC-COUPLED
2.0480
2.0482
2.0484
2.0488
2.0486
2.0490
-50 -30 -10 10 30 50 70 90
OUTPUT VOLTAGE vs. TEMPERATURE
MAX5170/72 toc18
TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
MAX5172
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.)