Storage Temperature Range..............................-65°C to +150°C
Lead Temperature (soldering, 10s)...................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Electrical Characteristics
PARAMETER
Resolution
Integral Nonlinearity
Differential Nonlinearity
Dual Code Matching
Ratiometric Resistor Tempco
Full-Scale Error
(V
DD
= +2.6V to +5.5V, V
H_
= V
DD
, V
L_
= GND, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
DD
= +5V,
T
A
= +25˚C. ) (Note 1)
SYMBOL
N
INL
DNL
(Note 2)
(Note 2)
Register A = register B
(∆V
W
/V
W
)/∆T no load
Code = FFH
MAX5386L/MAX5388L
MAX5386M/MAX5388M
MAX5386N/MAX5388N
MAX5386L/MAX5388L
Zero-Scale Error
Code = 00H
MAX5386M/MAX5388M
MAX5386N/MAX5388N
DC PERFORMANCE (VARIABLE-RESISTOR MODE) (Note 3)
MAX5386L/MAX5388L
V
DD
> +2.6V
Integral Nonlinearity
R-INL
V
DD
> +4.75V
Differential Nonlinearity
R-DNL
V
DD
≥
2.6V
V
DD
≥
2.6V
MAX5386M/MAX5388M
MAX5386N/MAX5388N
MAX5386L/MAX5388L
MAX5386M/MAX5388M
MAX5386N/MAX5388N
-0.5
250
150
10
50
35
-25
-90
MAX5386L/MAX5388L
MAX5386M/MAX5388M
MAX5386N/MAX5388N
600
150
75
kHz
+25
±1.0
±0.5
±0.25
±0.4
±0.3
±0.25
±2.5
±1.0
±0.8
±1.5
±0.75
±0.5
+0.5
600
200
LSB
LSB
CONDITIONS
MIN
256
-0.5
-0.5
-0.5
±5
-3.0
-1.0
-0.5
-2.5
-0.5
-0.25
2.5
+0.5
+0.25
3.0
+1.0
+0.5
LSB
LSB
+0.5
+0.5
+0.5
TYP
MAX
UNITS
Tap
LSB
LSB
LSB
ppm/°C
DC PERFORMANCE (VOLTAGE-DIVIDER MODE)
DC PERFORMANCE (RESISTOR CHARACTERISTICS)
Wiper Resistance (Note 4)
Terminal Capacitance
Wiper Capacitance
End-to-End Resistor Tempco
End-to-End Resistor Tolerance
AC PERFORMANCE
Crosstalk
-3dB Bandwidth
BW
R
W
C
W
_
TC
R
V
DD
> 4.75V
Ω
pF
pF
ppm/°C
%
dB
C
H
_, C
L
_
Measured to GND
Measured to GND
No load
Wiper not connected
(Note 5)
Code = 80H,
10pF load,
V
DD
= +2.6V
∆R
HL
www.maximintegrated.com
Maxim Integrated │
2
MAX5386/MAX5388
Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometers
Electrical Characteristics (continued)
(V
DD
= +2.6V to +5.5V, V
H_
= V
DD
, V
L_
= GND, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
DD
= +5V,
T
A
= +25˚C. ) (Note 1)
PARAMETER
Total Harmonic Distortion
Plus Noise
Wiper Settling Time (Note 6)
POWER SUPPLIES
Supply Voltage Range
Standby Current
DIGITAL INPUTS
Minimum Input High Voltage
Maximum Input Low Voltage
Input Leakage Current
Input Capacitance
TIMING CHARACTERISTICS (Note 7)
Maximum SCLK Frequency
SCLK Clock Period
SCLK Pulse-Width High
SCLK Pulse-Width Low
CS Fall to SCLK Rise Setup Time
SCLK Rise to CS Rise Hold Time
DIN Setup Time
DIN Hold Time
SCLK Rise to CS Fall Delay
SCLK Rise to SCLK Rise Hold
Time
CS
Pulse-Width High
f
MAX
t
CP
t
CH
t
CL
t
CSS
t
CSH
t
DS
t
DH
t
CS0
t
CS1
t
CSW
100
40
40
40
0
40
0
10
40
100
10
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
IH
V
IL
-1
5
70
30
+1
%V
DD
%V
DD
µA
pF
V
DD
Digital inputs = V
DD
or GND
2.6
1
5.5
V
µA
SYMBOL
THD+N
CONDITIONS
Measured at W, V
H_
= 1V
RMS
at 1kHz
MAX5386L/MAX5388L
t
S
MAX5386M/MAX5388M
MAX5386N/MAX5388N
MIN
TYP
0.015
300
1000
2000
ns
MAX
UNITS
%
Note 1:
All devices are 100% production tested at T
A
= +25°C. Specifications over temperature limits are guaranteed by design and
characterization.
Note 2:
DNL and INL are measured with the potentiometer configured as a voltage-divider (Figure 1) with H = V
DD
and L = GND.
The wiper terminal is unloaded and measured with an ideal voltmeter.
Note 3:
R-DNL and R-INL are measured with the potentiometer configured as a variable resistor (Figure 1). DNL and INL are mea-
sured with the potentiometer configured as a variable resistor. H_ is unconnected and L_ = GND. For V
DD
= +5V, the wiper
terminal is driven with a source current of 400μA for the 10kΩ configuration, 80μA for the 50kΩ configuration, and 40μA for
the 100kΩ configuration. For V
DD
= +2.6V, the wiper terminal is driven with a source current of 200μA for the 10kΩ configu-
ration, 40μA for the 50kΩ configuration, and 20μA for the 100kΩ configuration.
Note 4:
The wiper resistance is the worst value measured by injecting the currents given in Note 3 in to W with L = GND. R
W
=
(V
W
- V
H
)/I
W
.
Note 5:
Drive HA with a 1kHz GND to V
DD
amplitude tone. LA = LB = GND. No load. WB is at midscale with a 10pF load. Measure
WB.
Note 6:
The wiper-settling time is the worst case 0 to 50% rise time, measured between tap 0 and tap 127. H = V
DD
, L = GND, and
the wiper terminal is loaded with 10pF capacitance to ground.
Note 7:
Digital timing is guaranteed by design and characterization, not production tested.
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