Rainbow Electronics MAX539 - Manual (Page 3)

MAX531/MAX538/MAX539
+5V, Low-Power, Voltage-Output,
Serial 12-Bit DACs
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ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued)
(V DD = +5V ±10%, V SS = 0V, AGND = DGND = 0V, REFIN = 2.048V (external), RFB = BIPOFF = VOUT (MAX531), C REFOUT = 33µF
(MAX531), R L = 10k Ω , C L = 100pF, T A = T MIN to T MAX , unless otherwise noted.)
PARAMETER
Input Current
SYMBOL MIN TYP MAX
I IN ±1
UNITS
Noise Voltage e n
µA
400
Input Capacitance C IN
µVp-p
Power-Supply Rejection Ratio
8
PSRR 300 µV/V
Resistance R REFOUT 0.5 2
pF
Ω
Temperature Coefficient TC REFOUT
30 50
ppm/°C
Minimum Required External
Capacitor
C MIN 3.3 µF
Output High
Input High
V OH
V IH 2.4
V DD - 1
V
Input Low
V
V IL 0.8 V
Output Low V OL 0.4 V
Voltage-Output Slew Rate SR 0.15 0.25 V/µs
Voltage-Output Settling Time 25 µs
Digital Feedthrough
2.024 2.048 2.072
5 nV-s
Signal-to-Noise plus Distortion SINAD 68 dB
260 400
CONDITIONS
V IN = 0V or V DD
0.1Hz to 10kHz
4.5V ≤ V
DD
≤ 5.5V
(Note 5)
MAX531AC/AE/AM/BM
I SOURCE = 2mA
I SINK = 2mA
T A = +25°C
To ±1/2LSB, VOUT = 2V
CS = V
DD , DIN = 100kHz
REFIN = 1kHz, 2Vp-p (G = +1 or +2),
code = FFF hex
Power-Supply Current I DD
All inputs = 0V or V DD ,
output = no load 140 300
µA
CS Setup Time t CSS 20 ns
SCLK Fall to CS Fall Hold Time t CSH0 15 ns
SCLK Fall to CS Rise Hold Time t CSH1 0 ns
SCLK High Width t CH 35 ns
SCLK Low Width t CL 35 ns
DIN Setup Time t DS 45 ns
DIN Hold Time t DH 0 ns
DOUT Valid Propagation Delay t DO C L = 50pF 80 ns
CS High Pulse Width t CSW 20 ns
CLR Pulse Width t CLR 25 ns
MAX531BC/BE
MAX531
MAX538, MAX539
30
2.017 2.079 Reference Output Voltage V
2.013 2.083
V DD = 5.0V
CS Rise to SCLK Rise Setup Time t CS1 50 ns
T A = +25°C
MAX531BC
MAX531BE
Positive Supply Voltage V DD 4.5 5.5 V
REFERENCE OUTPUT (REFOUT—MAX531 only)
DIGITAL INPUTS (DIN, SCLK, CS , CLR )
DIGITAL OUTPUT (DOUT)
DYNAMIC PERFORMANCE
POWER SUPPLY
SWITCHING CHARACTERISTICS