Rainbow Electronics MAX5250 - Manual (Page 5)

MAX5250
Low-Power, Quad, 10-Bit Voltage-Output DAC
with Serial Interface
_______________________________________________________________________________________ 5
0.50
0
1 100
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
0.05
MAX5250-05
FREQUENCY (kHz)
THD + NOISE (%)
0.15
0.25
0.35
10
0.45
0.10
0.20
0.30
0.40
DAC CODE = FULL SCALE
REFAB = 1Vp-p
R
L = 5k Ω
C L = 100pF
-100
0.5 1.6 3.8
OUTPUT FFT PLOT
-60
0
MAX5250-10
FREQUENCY (kHz)
SIGNAL AMPLITUDE (dB)
2.7 4.9 6.0
-20
-40
-80
V REF = 1kHz, 0.006V TO 3.6V
R
L
= 5k Ω
C L = 100pF
____________________________Typical Operating Characteristics (continued)
(V
DD
= +5V, T
A
= +25°C, unless otherwise noted.)
4.0 4.2 4.6 4.4 4.8 5.0 5.2 5.4 5.6
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5250-04
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (
µ A)
1000
950
900
850
800
750
700
650
600
CODE = FFC hex
0
-1.25
0.01 0.1 1 10 100
FULL-SCALE ERROR
vs. LOAD
-1.00
MAX5250-09
LOAD (k Ω )
FULL-SCALE ERROR (LSB)
-0.75
-0.50
-0.25
-100
0.5 1.2 2.6
REFERENCE FEEDTHROUGH
AT 1kHz
-60
0
MAX5250-11
FREQUENCY (kHz)
SIGNAL AMPLITUDE (dB)
1.9 3.3 4.0
-20
-40
-80
OUTA FEEDTHROUGH
REFAB INPUT SIGNAL
V REF = 3.6Vp-p @ 1kHz
R L = 5k Ω
C L = 100pF