Low-Cost, Triple, 8-Bit Voltage Output DACs
with Serial Interface
____________________________Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
POSITIVE SETTLING TIME (DAC A)
POSITIVE SETTLING TIME (DAC B)
A
A
B
B
20µs/div
VDD = 3V, VSS = 0V, REFAB = VDD, RL = 1k Ω, CL = 0.1µF
ALL BITS OFF TO ALL BITS ON
A: CS, 2V/div
B: OUTA, 20mV/div
20µs/div
VDD = 3V, VSS = 0V, REFAB = VDD, RL = 10k Ω, CL = 0.01µF
ALL BITS OFF TO ALL BITS ON
A: CS, 2V/div
B: OUTB, 20mV/div
POSITIVE SETTLING TIME (DAC C)
A
B
10µs/div
VDD = 3V, VSS = 0V, REFC = VDD, RL = ∞, CL = 122pF
ALL BITS OFF TO ALL BITS ON
A: CS, 2V/div
B: OUTC, 20mV/div
POSITIVE SETTLING TIME WITH DUAL SUPPLIES
A
B
10µs/div
VDD = 5V, VSS = -5V, REFAB = 2.56V, RL = 1k Ω, CL = 0.1µF
ALL BITS OFF TO ALL BITS ON
A: CS, 5V/div
B: OUTA, 10mV/div
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