Rainbow Electronics MAX550A - Manual (Page 4)

MAX548A/MAX549A/MAX550A
+2.5V to +5.5V, Low-Power, Single/Dual,
8-Bit Voltage-Output DACs in µMAX Package
4 _______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(V DD = V REF = 2.5V, R L = 1M
Ω
, C L = 15pF, T A = +25°C, unless otherwise noted.)
-60 -20 20 100
OPERATING CURRENT PER DAC
vs. TEMPERATURE
75.0
74.6
149.8
150.2
MAX548A-550A TOC-01
TEMPERATURE (°C)
OPERATING CURRENT PER DAC (
µ A)
60
149.4
75.4
V DD = V REF = 5.0V
V DD = V REF = 2.5V
-60 -20 20 100
SHUTDOWN CURRENT
vs. TEMPERATURE
36
32
28
160
200
240
MAX548A-550A TOC-02
TEMPERATURE (°C)
SHUTDOWN CURRENT (nA)
60
120
40
V DD = V REF = 5.0V
V DD = V REF = 2.5V
-50
1k 10k 100k 1M 10M
MAX549A/MAX550A
REFERENCE SMALL-SIGNAL
FREQUENCY RESPONSE
-40
10
0
MAX548A-550A TOC-03
FREQUENCY (Hz)
RELATIVE OUTPUT (dB)
-20
-30
-10
DAC CODE = FF hex
V DD = 5V
V REF = 2Vp-p SINE WAVE
V DD = 2.5V
V REF = 100mVp-p SINE WAVE
0
-100
10 1M 100k 10k 1k 100
MAX549A/MAX550A
REFERENCE AC FEEDTHROUGH
vs. FREQUENCY
-60
-80
MAX548A-550A TOC-04
FREQUENCY (Hz)
RELATIVE OUTPUT (dB)
-40
-20
V REF = 1Vp-p SINE WAVE
DAC CODE = 00 hex
DIGITAL FEEDTHROUGH
SCLK, 5V/div
OUT, 50mV/div
200ns/div
MAX548A-550A TOC-05
SETTLING TIME (FALLING)
OUT, 1V/div
2 µ s/div
MAX548A-550A TOC-06
CS, 5V/div
DAC CODE FF hex to 00 hex