+5V, Low-Power, Voltage-Output,
Serial 12-Bit DACs
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
= 10kΩ, C
L
= 100pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
T
A
= +25°C
Reference Output Voltage
V
DD
= 5.0V
MAX531BC
MAX531BE
Temperature Coefficient
Resistance
Power-Supply Rejection Ratio
Noise Voltage
Minimum Required External
Capacitor
Input High
Input Low
Input Current
Input Capacitance
DIGITAL OUTPUT (DOUT)
Output High
Output Low
DYNAMIC PERFORMANCE
Voltage-Output Slew Rate
Voltage-Output Settling Time
Digital Feedthrough
Signal-to-Noise plus Distortion
POWER SUPPLY
Positive Supply Voltage
Power-Supply Current
SWITCHING CHARACTERISTICS
CS
Setup Time
SCLK Fall to
CS
Fall Hold Time
SCLK Fall to
CS
Rise Hold Time
SCLK High Width
SCLK Low Width
DIN Setup Time
DIN Hold Time
DOUT Valid Propagation Delay
CS
High Pulse Width
CLR
Pulse Width
CS
Rise to SCLK Rise Setup Time
t
CSS
t
CSH0
t
CSH1
t
CH
t
CL
t
DS
t
DH
t
DO
t
CSW
t
CLR
t
CS1
C
L
= 50pF
20
25
50
20
15
0
35
35
45
0
80
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
3
V
DD
I
DD
All inputs = 0V or V
DD
, MAX531
output = no load
MAX538, MAX539
4.5
260
140
5.5
400
300
V
µA
SR
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
0.15
0.25
25
5
68
V/µs
µs
nV-s
dB
V
OH
V
OL
I
SOURCE
= 2mA
I
SINK
= 2mA
V
DD
- 1
0.4
V
V
TC
REFOUT
R
REFOUT
PSRR
e
n
C
MIN
MAX531AC/AE/AM/BM
MAX531BC/BE
(Note 5)
4.5V
≤
V
DD
≤
5.5V
0.1Hz to 10kHz
3.3
400
MIN
2.024
2.017
2.013
30
30
0.5
2
300
TYP
2.048
MAX
2.072
2.079
2.083
50
ppm/°C
Ω
µV/V
µVp-p
µF
V
UNITS
MAX531/MAX538/MAX539
REFERENCE OUTPUT (REFOUT—MAX531 only)
DIGITAL INPUTS (DIN, SCLK,
CS, CLR)
V
IH
V
IL
I
IN
C
IN
V
IN
= 0V or V
DD
8
2.4
0.8
±1
V
V
µA
pF
SINAD
_______________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
