參數(shù)資料
型號(hào)： MAX5484EUD+T
廠(chǎng)商： Maxim Integrated Products
文件頁(yè)數(shù)： 1/20頁(yè)
文件大小： 0K
描述： IC POT DGTL 10BIT NV 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： 1024
電阻（歐姆）： 50k
電路數(shù)： 1
溫度系數(shù)： 標(biāo)準(zhǔn)值 35 ppm/°C
存儲(chǔ)器類(lèi)型： 非易失
接口： 4 線(xiàn)串行（芯片選擇，遞增，增/減）
電源電壓： 2.7 V ~ 5.25 V，±2.5 V ~ 5.25 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)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)
AVAILABLE
Functional Diagrams
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
General Description
The MAX5481–MAX5484 10-bit (1024-tap) nonvolatile,
linear-taper, programmable voltage-dividers and vari-
able resistors perform the function of a mechanical
potentiometer, but replace the mechanics with a pin-
configurable 3-wire serial SPI-compatible interface or
up/down digital interface. The MAX5481/MAX5482 are
3-terminal voltage-dividers and the MAX5483/MAX5484
are 2-terminal variable resistors.
The MAX5481–MAX5484 feature an internal, non-
volatile, electrically erasable programmable read-only
memory (EEPROM) that stores the wiper position for ini-
tialization during power-up. The 3-wire SPI-compatible
serial interface allows communication at data rates up
to 7MHz. A pin-selectable up/down digital interface is
also available.
The MAX5481–MAX5484 are ideal for applications
requiring digitally controlled potentiometers. Two end-to-
end resistance values are available (10kΩ and 50kΩ) in a
voltage-divider or a variable-resistor configuration (see
the
Selector Guide). The nominal resistor temperature
coefficient is 35ppm/°C end-to-end, and only 5ppm/°C
ratiometric, making these devices ideal for applications
requiring low-temperature-coefficient voltage-dividers,
such as low-drift, programmable gain-amplifiers.
The MAX5481–MAX5484 operate with either a +2.7V to
+5.25V single power supply or ±2.5V dual power sup-
plies. These devices consume 400A (max) of supply
current when writing data to the nonvolatile memory
and 1.0A (max) of standby supply current. The
MAX5481–MAX5484 are available in a space-saving
(3mm x 3mm), 16-pin TQFN, or a 14-pin TSSOP pack-
age and are specified over the extended (-40°C to
+85°C) temperature range.
Applications
Features
1024 Tap Positions
Power-On Recall of Wiper Position from
Nonvolatile Memory
16-Pin (3mm x 3mm x 0.8mm) TQFN or 14-Pin
TSSOP Package
35ppm/°C End-to-End Resistance Temperature
Coefficient
5ppm/°C Ratiometric Temperature Coefficient
10kΩ and 50kΩ End-to-End Resistor Values
Pin-Selectable SPI-Compatible Serial Interface or
Up/Down Digital Interface
1A (max) Standby Current
Single +2.7V to +5.25V Supply Operation
Dual ±2.5V Supply Operation
10-Bit, Nonvolatile, Linear-Taper Digital
Potentiometers
Ordering Information
16
15
14
13
VSS
N.C.
VDD
GND
9
10
11
12
SPI/UD
DIN(U/D)
SCLK(INC)
CS
4
3
2
1
N.C.
L
W
H
5
+
**EP
*EP
6
7
8
N.C.
VSS
INTERFACE
TOP VIEW
TQFN
*SEE FUNCTIONAL DIAGRAM
**CONNECT EXPOSED PAD TO VSS
*CONNECT EXPOSED PAD TO VSS
16
15
14
13
VSS
N.C.
VDD
GND
9
10
11
12
SPI/UD
DIN(U/D)
SCLK(INC)
CS
4
3
2
1
N.C.
L
W
D.N.C.
5
6
7
8
N.C.
VSS
MAX5483
MAX5484
INTERFACE
TQFN
MAX5481*
MAX5482*
Pin Configurations
PART
PIN-PACKAGE
TOP MARK
MAX5481ETE+
16 TQFN-EP*
ACP
MAX5481EUD+
14 TSSOP
—
Selector Guide appears at end of data sheet.
SPI is a trademark of Motorola, Inc.
Note: All devices are specified over the -40°C to +85°C operating
temperature range.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed pad.
Ordering Information continued at end of data sheet.
Pin Configurations continued at end of data sheet.
Gain and Offset
Adjustment
LCD Contrast Adjustment
Pressure Sensors
Low-Drift Programmable
Gain Amplifiers
Mechanical Potentiometer
Replacement
MAX5481–MAX5484
19-3708; Rev 5; 4/10
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