Rainbow Electronics MAX5821 - Manual (Page 6)

MAX5822
Dual, 12-Bit, Low-Power, 2-Wire, Serial
Voltage-Output DAC
6 _______________________________________________________________________________________
POWER-DOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5822 toc16
SUPPLY VOLTAGE (V)
POWER-DOWN SUPPLY CURRENT (nA)
4.8 4.1 3.4
100
200
300
400
500
0
2.7 5.5
T A = +25 °C
T A = -40 °C
T A = +85 °C
Z OUT = HIGH IMPEDANCE
NO LOAD
POWER-UP GLITCH
MAX5822 toc17
100 µs/div
V DD
OUT_
0
5V
10mV/div
EXITING SHUTDOWN
MAX5822 toc18
2 µs/div
OUT_ 500mV/div
C
LOAD
= 200pF
CODE = 800 hex
MAJOR-CARRY TRANSITION
(POSITIVE)
MAX5822 toc19
2 µs/div
OUT_ 5mV/div
C LOAD = 200pF
R
L
= 5k Ω
CODE = 7FF hex TO 800 hex
MAJOR-CARRY TRANSITION
(NEGATIVE)
MAX5822 toc20
2 µs/div
OUT_ 5mV/div
C LOAD = 200pF
R L = 5k Ω
CODE = 800 hex TO 7FF hex
SETTLING TIME
(POSITIVE)
MAX5822 toc21
2 µs/div
OUT_ 500mV/div
C LOAD = 200pF
CODE = 400 hex TO C00 hex
SETTLING TIME
(NEGATIVE)
MAX5822 toc22
2 µs/div
OUT_ 500mV/div
C LOAD = 200pF
CODE = C00 hex TO 400 hex
DIGITAL FEEDTHROUGH
MAX5822 toc23
40 µs/div
OUT_ 2mV/div
C LOAD = 200pF
f SCL = 12kHz
CODE = 000 hex
SCL 2V/div
CROSSTALK
MAX5822 toc24
4 µs/div
V
OUTB
1mV/div
V OUTA 2V/div
Typical Operating Characteristics (continued)
(V DD = +5V, R L = 5k Ω, T
A = +25°C.)
Note 6: The ability to drive loads greater than 5k Ω is not implied.