Rainbow Electronics MAX5547 - Manual (Page 7)

MAX5547
Dual, 10-Bit, Current-Sink Output DAC
_______________________________________________________________________________________ 7
Typical Operating Characteristics (continued)
(V
DD
= +3.0V, GND = 0, external reference = +2.5V, T
A
= +25°C, unless otherwise noted.)
1.00 µs/div
SETTLING TIME
(FULL-SCALE NEGATIVE STEP)
(I OUT = 3.6mA)
MAX5547 toc22
OUT_
500mV/div
SCLK
2V/div
GND
3V
V PULLUP = 3V,
R OUT = 500 Ω,
C OUT = 10pF
15 16
1.00 µs/div
SETTLING TIME
(HALF-SCALE POSITIVE STEP)
(I OUT = 1.2mA)
MAX5547 toc23
OUT_
200mV/div
SCLK
2V/div
GND
V PULLUP = 3V, R OUT = 500 Ω,
C OUT = 10pF, CODE = 0.25 x FS TO 0.75 x FS
15 16
1.00 µs/div
SETTLING TIME
(HALF-SCALE NEGATIVE STEP)
(I OUT = 1.2mA)
MAX5547 toc24
OUT_
200mV/div
SCLK
2V/div
GND
V PULLUP = 3V, R OUT = 500 Ω, C
OUT = 10pF,
CODE = 0.75 x FS TO 0.25 x FS
15 16
100 µs/div
INTERNAL REFERENCE
POWER-UP
MAX5547 toc25
REF
1V/div
SCLK
2V/div
GND
C
REF
= 1 µF
14 15 16
GND
-0.5
-0.2
-0.3
-0.4
-0.1
0
0.1
0.2
0.3
0.4
0.5
-40 10 -15 35 60 85
SUPPLY FEEDTHROUGH
vs. TEMPERATURE
MAX5547 toc26
TEMPERATURE ( °C)
SUPPLY FEEDTHROUGH (LSB/V)
TWO TYPICAL PARTS, I FS = 1.2mA, V DD = 5V,
100mV, 1kHz SIGNAL ADDED TO V DD
10 µs/div
GLITCH IMPULSE
(MAJOR CARRY TRANSITION)
(I OUT = 3.6mA)
MAX5547 toc27
OUT_
AC-COUPLED
2mV/div
V PULLUP = 3V,
R OUT = 500 Ω,
C
OUT
= 100pF,
CODE = 1FFh TO 200h
1.00s/div
INTERNAL REFERENCE NOISE
(0.1Hz TO 10Hz)
MAX5547 toc28
REF
20
µV/div
1.00s/div
OUTPUT NOISE
(0.1Hz TO 10Hz)
MAX5547 toc29
OUT_
50
µV/div
500 Ω TO 3V
3.6mA RANGE
CODE = 3FFh