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