參數(shù)資料
型號： MAX5439EUD+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/11頁
文件大小： 0K
描述： IC POT DGTL 128-TAP 15V 14-TSSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
接片： 128
電阻（歐姆）： 100k
電路數(shù)： 1
溫度系數(shù)： 標(biāo)準(zhǔn)值 35 ppm/°C
存儲器類型： 易失
接口： 3 線串行/QSPI/MICROWIRE（芯片選擇）
電源電壓： 10 V ~ 30 V，±5 V ~ 15 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 14-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 14-TSSOP
包裝： 帶卷 (TR)
General Description
The MAX5436–MAX5439 are 128-tap high-voltage (±5V
to ±15V) digital potentiometers in packages that are half
the size of comparable devices in 8-pin SO. They perform
the same function as mechanical potentiometers, but
replace the mechanics with a simple digital interface. The
digital logic is powered by a separate single +2.7V to
+5.25V supply voltage (VCC). The resistor string uses its
own analog supplies (VDD and VSS) that require
VDD - VSS to be greater than 9V and less than 31.5V. This
allows for greater flexibility in voltage ranges that can be
used with these devices. Examples of analog supply
ranges include not only dual voltages of ±5V to ±15V, but
single-supply voltages, such as +10V, +15V, +30V, -30V,
and more, as long as the ranges of VDD - VSS and VCC -
VSS are met.
The MAX5437/MAX5439 include an on-chip, high-
voltage, uncommitted amplifier, providing additional
reductions in board space and cost. Other features
include low 35ppm/°C end-to-end and 5ppm/°C ratio-
metric resistor temperature coefficients, a 3-wire SPI/
QSPI/MICROWIRE-compatible serial interface, and
a power-on reset to midscale.
The MAX5436/MAX5438 are available in 10-pin MAX
packages. The MAX5437/MAX5439 are available in 14-
pin TSSOP package. Each device is guaranteed over
the extended temperature range of -40°C to +85°C.
Applications
LCD Screen Contrast Adjustment
Data-Acquisition Systems
Mechanical Potentiometer Replacement
Low-Drift Programmable Gain Amplifier
Audio Volume Control
Features
+10V to +30V Single-Supply Operation
-28V to -10V Single Negative Supply Operation
±5V to ±15V Dual-Supply Operation
128 Tap Positions
Uncommitted High-Voltage Amplifier
(MAX5437/MAX5439)
Low Temperature Coefficient
35ppm/°C (End-to-End)
5ppm/°C (Ratiometric)
Small-Footprint Packages
10-Pin MAX (MAX5436/MAX5438)
14-Pin TSSOP (MAX5437/MAX5439)
Glitchless Switching Between the Resistor Taps
3-Wire SPI/QSPI/MICROWIRE-Compatible Serial
Interface
50kΩ/100kΩ End-to-End Resistances
Power-On Reset: Wiper Goes to Midscale
(Position 64)
MAX5436–MAX5439
±15V, 128-Tap, Low-Drift Digital Potentiometers
________________________________________________________________ Maxim Integrated Products
1
1
2
3
4
5
10
9
8
7
6
VCC
L
W
H
MAX5436
MAX5438
μMAX
TOP VIEW
VDD
14
13
12
11
10
9
8
1
2
3
4
5
6
7
MAX5437
MAX5439
TSSOP
GND
CS
DIN
SCLK
VSS
VCC
L
W
H
SHDN
CS
DIN
SCLK
VDD
IN+
IN-
OUT
VSS
GND
Pin Configurations
Ordering Information
19-2657; Rev 3; 9/04
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-
PACKAGE
RESISTANCE
(k
Ω)
MAX5436EUB
-40°C to +85°C 10 MAX
50
MAX5437EUD
-40°C to +85°C 14 TSSOP
50
MAX5438EUB
-40°C to +85°C 10 MAX
100
MAX5439EUD
-40°C to +85°C 14 TSSOP
100
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
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