Datasheet

MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
12 ______________________________________________________________________________________
Figure 7. Adjustable Voltage Reference
MAX6160
IN
5V
OUT
ADJ
GND
HA
LA
WA
V
OUT1
IN
OUT
ADJ
GND
HB
LB
WB
V
OUT2
1/2 MAX5487
1/2 MAX5488
1/2 MAX5489
MAX6160
1/2 MAX5487
1/2 MAX5488
1/2 MAX5489
FOR THE MAX5487
V
OUT_
= 1.23V x
10kΩ
R
FOR THE MAX5488
V
OUT_
= 1.23V x
50kΩ
R
FOR THE MAX5489
V
OUT_
= 1.23V x
100kΩ
R
R
2
= R
HL
x D / 256
WHERE R
HL
= END-TO-END RESISTANCE
AND D = DECIMAL VALUE OF WIPER CODE
RR
Figure 8. Offset Voltage and Gain Adjustment
3
2
5V
7
4
1
6
8
MAX410
HA
LA
WA
R2
R1
HB
LB
WB
1/2 MAX5487/MAX5488/MAX5489
1/2 MAX5487/MAX5488/MAX5489
R
2
= R
HL
x D / 256
WHERE R
HL
= END-TO-END RESISTANCE
AND = D DECIMAL VALUE OF WIPER CODE
Ordering Information (continued)
PART TEMP RANGE PIN-PACKAGE
END-TO-END
RESISTANCE (kΩ)
TOP MARK
MAX5488ETE+ -40°C to +85°C 16 TQFN-EP* 50 ABS
MAX5488EUD+ -40°C to +85°C 14 TSSOP 50 —
MAX5489ETE+ -40°C to +85°C 16 TQFN-EP* 100 ABT
MAX5489EUD+ -40°C to +85°C 14 TSSOP 100 —
MAX5489ETE/V+ -40°C to +85°C 16 TQFN-EP* 100 AIE
* EP = Exposed pad.
+ Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
Package Information
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages
. Note that a “+”, “#”, or “-” in
the package code indicates RoHS status only. Package draw-
ings may show a different suffix character, but the drawing per-
tains to the package regardless of RoHS status.
PACKAGE
TYPE
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
16 TQFN-EP T1633F+3
21-0136
90-0033
14 TSSOP U14+1
21-0066 90-0113