MAX5547 Maxim Integrated Products, MAX5547 Datasheet - Page 7

• Manufacturer Part Number: MAX5547
• Description: Current-Sink Output DAC
• Manufacturer: Maxim Integrated Products

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