Rainbow Electronics MAX539 - Manual (Page 4)

MAX531/MAX538/MAX539
+5V, Low-Power, Voltage-Output,
Serial 12-Bit DACs
4 _______________________________________________________________________________________
PARAMETER SYMBOL MIN TYP MAX UNITS
Bipolar Offset Error V OS ±8
Gain Error (Unipolar or Bipolar) GEU
LSB
Differential Nonlinearity
±1
DNL ±1 LSB
Relative Accuracy INL
LSB
LSB
±1
Gain-Error Tempco
Bipolar Offset Tempco TCV OS 3 ppm/°C
1 ppm/°C
Power-Supply Rejection Ratio
(Note 3)
PSRR 0.4 1 LSB/V
Voltage Range
Resolution
V SS + 2 V DD - 2
N 12
V
Input Resistance
Bits
40 k Ω
Input Capacitance
±0.5
10 50 pF
AC Feedthrough -80 dB
CONDITIONS
BIPOFF = REFIN, MAX531_C/E
MAX531_C/E
Guaranteed monotonic
Tested at V DD = 5V,
V SS = -5V
BIPOFF = REFIN
4.5V
≤
V DD
≤
5.5V, -5.5V
≤
V SS
≤
-4.5V
Code dependent, minimum at code 555 hex
Code dependent (Note 4)
REFIN = 1kHz, 2.0Vp-p
ELECTRICAL CHARACTERISTICS—Dual Supplies (MAX531 Only)
(V DD = +5V ±10%, V SS = -5V ±10%, AGND = DGND = 0V, REFIN = 2.048V (external), RFB = BIPOFF = VOUT, C REFOUT = 33µF,
R L = 10k Ω , C L = 100pF, T A = T MIN to T MAX , unless otherwise noted.)
MAX531AC/E
MAX531BC/E
2.024 2.048 2.072
MAX531AC/AE/AM/BM 30 50
Temperature Coefficient TC REFOUT
MAX531BC/BE 30
ppm/°C
Resistance R REFOUT (Note 5) 0.5 2
Ω
Power-Supply Rejection Ratio PSRR 4.5V ≤ V DD
≤ 5.5V 300 µV/V
e n 0.1Hz to 10kHz 400 µVp-p Noise Voltage
Minimum Required External
Capacitor
C MIN 3.3 µF
Input High V IH 2.4 V
Input Low V IL 0.8 V
Input Current I IN V IN = 0V or V DD ±1 µA
Input Capacitance C IN 8 pF
Output High V OH I SOURCE = 2mA V DD - 1 V
Output Low V OL I SINK = 2mA 0.4 V
2.017 2.079 V DD = 5.0V
2.013 2.083
V Reference Output Voltage
T A = +25°C
MAX531BC
MAX531BE
REFERENCE INPUT (REFIN)
REFERENCE OUTPUT (REFOUT—MAX531 only)
DIGITAL INPUTS (DIN, SCLK, CS )
DIGITAL OUTPUT (DOUT)