MAX548A Datasheet, PDF (4/16 Pages) Maxim Integrated Products – +2.5V to +5.5V, Low-Power, Single/Dual, 8-Bit Voltage-Output DACs in μMAX Package

+2.5V to +5.5V, Low-Power, Single/Dual,
8-Bit Voltage-Output DACs in µMAX Package
__________________________________________Typical Operating Characteristics
(V_DD = V_REF = 2.5V, R_L = 1MΩ, C_L = 15pF, T_A = +25°C, unless otherwise noted.)
OPERATING CURRENT PER DAC
vs. TEMPERATURE
150.2
149.8
V_DD = V_REF = 5.0V
149.4
75.4
75.0
74.6
-60
V_DD = V_REF = 2.5V
-20
20
60
100
TEMPERATURE (°C)
MAX549A/MAX550A
REFERENCE SMALL-SIGNAL
FREQUENCY RESPONSE
10
V_DD = 2.5V
V_REF = 100mVp-p SINE WAVE
0
-10
V_DD = 5V
-20
V_REF = 2Vp-p SINE WAVE
-30
-40
DAC CODE = FF hex
-50
1k
10k
100k
1M
10M
FREQUENCY (Hz)
DIGITAL FEEDTHROUGH
SHUTDOWN CURRENT
vs. TEMPERATURE
240
200
160
V_DD = V_REF = 5.0V
120
40
36
32
V_DD = V_REF = 2.5V
28
-60
-20
20
60
100
TEMPERATURE (°C)
MAX549A/MAX550A
REFERENCE AC FEEDTHROUGH
vs. FREQUENCY
0
-20
-40
-60
-80
-100
10
V_REF = 1Vp-p SINE WAVE
DAC CODE = 00 hex
100
1k
10k 100k 1M
FREQUENCY (Hz)
SETTLING TIME (FALLING)
DAC CODE FF hex to 00 hex
SCLK, 5V/div
OUT, 1V/div
OUT, 50mV/div
200ns/div
2µs/div
4 _______________________________________________________________________________________
CS, 5V/div