Rainbow Electronics MAX5231 - Manual (Page 4)

MAX5230/MAX5231
3V/5V, 12-Bit, Serial Voltage-Output Dual DACs
with Internal Reference
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ELECTRICAL CHARACTERISTICS—MAX5230 (continued)
(V DD = +2.7V to +3.6V, OS_ = AGND = DGND = 0, R L = 5k Ω, C
L = 100pF, T A = T MIN to T MAX , unless otherwise noted. Typical values
are at T A = +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Reference External Load Regulation V OUT /I OUT 0 ≤ I
OUT
≤ 100µA (sourcing) 0.1 2 µV/µA
Reference Short-Circuit Current 4 mA
DIGITAL INPUTS
Input High Voltage V IH 0.7 x V DD V
Input Low Voltage V IL 0.3 x V DD V
Input Hysteresis V HYS 200 mV
Input Leakage Current I IN Digital inputs = 0 or V DD
±1 µA
Input Capacitance C IN 8 pF
DIGITAL OUTPUTS
Output High Voltage V
OH
I
SOURCE
= 2mA 2.3 V
Output Low Voltage V OL I SINK = 2mA 0.25 V
DYNAMIC PERFORMANCE
Voltage-Output Slew Rate SR 0.6 V/µs
Voltage-Output Settling Time
To ±0.5 LSB, V
STEP = ±2V
(V DD - 0.25V) ≥ V
OUT
≥ 0.25V
10 µs
Output-Voltage Swing (Note 5) 0 to V DD V
OS_ Input Resistance R OS 83 121 k Ω
Time Required for Output to Settle After
Turning on V
DD (Note 6)
95 400 µs
Time Required for Output to Settle After
Exiting Full Power-Down (Note 6)
95 400 µs
Time Required for Output to Settle After
Exiting DAC Power-Down (Note 6)
12 160 µs
Digital Feedthrough
CS =V
DD , f SCLK = 100kHz,
V SCLK = 3V P-P
5 nV-s
Major-Carry Glitch Energy 90 nV-s