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