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ISL23710 데이터시트 PDF




Intersil Corporation에서 제조한 전자 부품 ISL23710은 전자 산업 및 응용 분야에서
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부품번호 ISL23710 기능
기능 Taps Up/Down Interface
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ISL23710 데이터시트, 핀배열, 회로
www.DataSheet4U.com
ISL23710
®
Volatile Digitally Controlled Potentiometer (XDCP™)
Data Sheet
August 22, 2005
FN6126.0
Terminal Voltage ±3V or ±5V, 128 Taps
Up/Down Interface
The Intersil ISL23710 is a digitally controlled potentiometer
(XDCP). The device consists of a resistor array, wiper
switches, and a control section. The wiper position is
controlled by a Up/Down interface.
The potentiometer is implemented by a resistor array
composed of 127 resistive elements and a wiper switching
network. Between each element and at either end are tap
points accessible to the wiper terminal. The position of the
wiper element is controlled by the CS, U/D, and INC inputs.
The wiper register is volatile and is reset to midscale on
power up. The wiper position can be locked while powered
up to prevent inadvertent changes.
The device can be used as a three-terminal potentiometer or
as a two-terminal variable resistor in a wide variety of
applications including:
• Industrial and Automotive Control
• Parameter and Bias Adjustments
• Amplifier Bias and Control
Ordering Information
TEMP
PART NUMBER RESISTANCE RANGE
(BRAND)
OPTION () (°C)
PKG.
PACKAGE DWG. #
ISL23710WIU10Z
10K -40 to +85 10 Ld MSOP M10.118
(AOG) (Notes 1, 2)
(Pb-Free)
ISL23710UIU10Z
(AOF) (Notes 1, 2)
50K -40 to +85 10 Ld MSOP M10.118
(Pb-Free)
NOTES:
1. Add “-T” suffix for tape and reel.
2. Intersil Pb-free plus anneal products employ special Pb-free material
sets; molding compounds/die attach materials and 100% matte tin
plate termination finish, which are RoHS compliant and compatible
with both SnPb and Pb-free soldering operations. Intersil Pb-free
products are MSL classified at Pb-free peak reflow temperatures that
meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
Features
• Up/Down Interface with Chip Select Enable
• DCP Terminal Voltage from ±2.7V to ±5V
• 127 Resistive Elements
- Typical RTOTAL tempco ±50ppm/°C
- Ratiometric tempco ±4ppm/°C
- End to end resistance range ±20%
- Wiper resistance = 70typ at VCC = 3.3V
• Low Power CMOS
- V- = -2.7V to -5.5V
- VCC = 2.7V to 5.5V
- Active current, 1mA max
- Standby current, 500nA max
• RTOTAL Values = 10kΩ, 50k
• Volatile Wiper Storage with Wiper Locking
• Packages
- 10 Ld MSOP
• Pb-Free Plus Anneal Available (RoHS Compliant)
Pinout
ISL23710
(10 LD MSOP)
TOP VIEW
U/D
V-
GND
CS
NC
1
2
3
4
5
10 INC
9 VCC
8 RL
7 RW
6 RH
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
XDCP is a trademark of Intersil, Inc. Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.




ISL23710 pdf, 반도체, 판매, 대치품
ISL23710
Operating Specifications Over the recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
TYP
MIN (Note 1) MAX UNITS
ICC1
IV-
ISB
IV-SB
VCC Supply Current, Volatile Write/Read CS = VIL, U/D = VIL or VIH and INC = 0.4V/2.4V
min. tCYC RL, RH, RW not connected
V- Supply Current, Volatile Write/Read CS = VIL, U/D = VIL or VIH and INC = 0.4V/2.4V
min. tCYC RL, RH, RW not connected
VCC Current (Standby)
VCC = +5.5V, 3 Wire Interface in Standby State
VCC = +2.7V, 3 Wire Interface in Standby State
V- Current (Standby)
V- = -5.5V, 3 Wire Interface in Standby State
V- = -2.7V, 3 Wire Interface in Standby State
-100
-500
-300
500 µA
µA
500 nA
300 nA
nA
nA
ILkgDig
Leakage Current, at Pins INC, CS, U/D, Voltage at pin from GND to VCC
A0, and A1
-10 10 µA
Vpor Power-on Recall Voltage
SERIAL INTERFACE SPECS
Minimum VCC at which the wiper is Reset
2.5 V
VIL INC, CS, and U/D Input Buffer LOW
Voltage
-0.3 0.3*VCC V
VIH INC, CS, and U/D Input Buffer HIGH
Voltage
0.7*VCC
VCC+0.3 V
Hysteresis INC, CS, and U/D Input Buffer Hysteresis
(Note 13)
Cpin INC, CS, and U/D Pin Capacitance
(Note 13)
0.15*
VCC
10
V
pF
AC Electrical Specifications VCC = 5V ±10%, TA = Full Operating Temperature Range unless otherwise stated
SYMBOL
PARAMETER
MIN TYP (Note 1) MAX
tCl
tlD
tDI
tlL
tlH
tICL
tIW (Note 13)
tCYC
tR, tF
CS to INC Setup
INC HIGH to U/D Change
U/D to INC Setup
INC LOW Period
INC HIGH Period
Lock Setup Time, INC High to CS High
INC to RW Change
INC Cycle Time
INC Input Rise and Fall Time
100
100
1
1
1
1
1
2
500
UNIT
ns
ns
µs
µs
µs
µs
µs
µs
µs
4 FN6126.0
August 22, 2005

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ISL23710 전자부품, 판매, 대치품
ISL23710
one of one-hundred twenty-eight wiper positions along the
resistive array.
Bringing CS HIGH after INC is HIGH will cause the wiper
value to be locked until power down (further changes in CS
and INC will not change the wiper position). Otherwise, INC
should be brought HIGH after CS to allow continued wiper
changes.
The state of U/D may be changed while CS remains LOW.
This allows the host system to enable the device and then
move the wiper up and down until the proper trim is attained.
During initial power-up CS must go high along with or before
VCC to avoid an accidental tap position change.
TABLE 1. MODE SELECTION
CS INC U/D
MODE
L H Wiper Up
L L Wiper Down
H X Lock Wiper Value
H X Standby
L X Standby
H H X Standby
L H Wiper up One Position
(not recommended)
L L Wiper Down One Position
(not recommended)
7 FN6126.0
August 22, 2005

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