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PDF N57M5127 Data sheet ( Hoja de datos )
| Número de pieza | N57M5127 | |
| Descripción | 32-tap Digital Potentiometer | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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N57M5127
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32‐tap Digital
Potentiometer (POT) with
Wiper Storage
Description
The N57M5127 is a single digital POTs designed as an electronic
replacement for mechanical potentiometers and trim pots. Ideal for
automated adjustments on high volume production lines, it is also well
suited for applications where equipment requiring periodic adjustment
is either difficult to access or located in a hazardous or remote
environment.
The N57M5127 contains a 32-tap series resistor array connected
between two terminals RH and RL. An up/down counter and decoder
that are controlled by three input pins, determines which tap is
connected to the wiper. The wiper setting, stored in nonvolatile
memory, is not lost when the device is powered down and is
automatically reinstated when power is returned. The wiper can be
adjusted to test new system values without effecting the stored setting.
Wiper-control of the N57M5127 is accomplished with three input
control pins, CS, U/D, and INC. The INC input increments the wiper
in the direction which is determined by the logic state of the U/D input.
The CS input is used to select the device and also store the wiper
position prior to power down.
The device is used as a two-terminal variable resistors. Digital POTs
bring variability and programmability to a wide variety of applications
including control, parameter adjustments, and signal processing.
Features
• 32-position Linear Taper Potentiometer
• Non-volatile EEPROM Wiper Storage
• Low Standby Current
• Single Supply Operation: 2.7 V – 5.5 V
• Increment Up/Down Serial Interface
• Resistance Values: 10 kW, 50 kW and 100 kW
• 8−Lead MSOP Package
• This Device is Pb-Free, Halogen Free/BFR Free and are RoHS
Compliant
Applications
• Automated Product Calibration
• Remote Control Adjustments
• Offset, Gain and Zero Control
• Tamper-proof Calibrations
• Contrast, Brightness and Volume Controls
• Motor Controls and Feedback Systems
• Programmable Analog Functions
This document contains information on a product under development. ON Semiconductor
reserves the right to change or discontinue this product without notice.
www.onsemi.com
1
MSOP−8
Z SUFFIX
CASE 846AD
PIN CONFIGURATION
INC
U/D
RH
GND
N57M5127
MSOP (Z)
1
(Top View)
VCC
CS
RL
NC
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
© Semiconductor Components Industries, LLC, 2016
August, 2016 − Rev. P0
1
Publication Order Number:
N57M5127/D
1 page  
N57M5127
Table 5. DC ELECTRICAL CHARACTERISTICS (VCC = +2.7 V to +5.5 V unless otherwise specified)
Symbol
Parameter
Conditions
Min Typ
POWER SUPPLY
VCC Operating Voltage Range
ICC1 Supply Current (Increment)
ICC2 Supply Current (Write)
ISB1
(Note 4)
Supply Current (Standby)
2.7
VCC = 5.5 V, f = 1 MHz, IW = 0
VCC = 3.3 V, f = 1 MHz, IW = 0
Programming, VCC = 5.5 V
Programming, VCC = 3.3 V
CS = VCC − 0.3 V
U/D, INC = VCC or GND
300
150
0.35
LOGIC INPUTS
IIH Input Leakage Current
IIL Input Leakage Current
U/D, INC = VCC
CS = VCC − 0.3 V
U/D, INC = 0
CS = 0
VIH High Level Input Voltage
VIL Low Level Input Voltage
VCC x 0.7
−0.3
Max
5.5
260
150
600
400
1
1
1
−1
−120
VCC + 0.3
VCC x 0.2
Units
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
V
V
Table 6. POTENTIOMETER CHARACTERISTICS
Symbol
Parameter
Conditions
Min Typ Max Units
RPOT
Potentiometer Resistance
−10 Device
−50 Device
10 kW
50
−00 Device
100
RTOL
VRH
VRL
RES
Pot Resistance Tolerance
Voltage on RH pin
Voltage on RL pin
Resolution
±20 %
0
VCC
V
0
VCC
V
3.2 %
INL Integral Linearity Error
0.5 LSB
DNL
Differential Linearity Error
0.25 LSB
RWi Wiper Resistance
TCRPOT (Note 6)
TCRATIO (Note 6)
VN (Note 6)
CH/CL/CW (Note 6)
Fc (Note 6)
TC of Pot Resistance
Ratiometric TC
Noise
Potentiometer Capacitances
Frequency Response
VCC = 5 V
VCC = 2.7 V
100 kHz / 1 kHz
Passive Attenuator, 10 kW
70
150
±30
±3
8/24
8/8/25
1.7
100
200
±300
20
W
W
ppm/°C
ppm/°C
nV/√Hz
pF
MHz
4. Latch-up protection is provided for stresses up to 100 mA on address and data pins from −1 V to VCC + 1 V
5. IW = source or sink
6. These parameters are periodically sampled and are not 100% tested.
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
www.onsemi.com
5
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