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ISL22449 の電気的特性と機能

ISL22449のメーカーはIntersil Corporationです、この部品の機能は「Quad Digitally Controlled Potentiometer」です。


製品の詳細 ( Datasheet PDF )

部品番号 ISL22449
部品説明 Quad Digitally Controlled Potentiometer
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 




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ISL22449 Datasheet, ISL22449 PDF,ピン配置, 機能
ISL22449
® Quad Digitally Controlled Potentiometer (XDCP™)
Data Sheet
September 15, 2006
FN6333.2
Low Noise, Low Power, SPI® Bus, 128 Taps,
Wiper Only
The ISL22449 integrates four digitally controlled
potentiometers (DCP) and non-volatile memory on a
monolithic CMOS integrated circuit.
The digitally controlled potentiometers are implemented with
a combination of resistor elements and CMOS switches. The
position of the wipers are controlled by the user through the
SPI serial interface. Each potentiometer has an associated
volatile Wiper Register (WR) and a non-volatile Initial Value
Register (IVR) that can be directly written to and read by the
user. The contents of the WR controls the position of the
wiper. At power-up the device recalls the contents of the
DCP’s IVR to the corresponding WR.
The DCP can be used as a voltage divider in a wide variety
of applications including control, parameter adjustments, AC
measurement and signal processing.
Pinout
www.DataSheet4U.com
ISL22449
(14 LD TSSOP)
TOP VIEW
RW3
NC
SCK
SDO
GND
RW2
RW1
1
2
3
4
5
6
7
14 RW0
13 SHDN
12 VCC
11 NC
10 SDI
9 CS
8 NC
Features
• Four potentiometers in one package
• 128 resistor taps
• SPI serial interface
• Non-volatile storage of wiper position
• Wiper resistance: 70typical
• Shutdown mode
• Shutdown current 6.5µA max
• Power supply: 2.7V to 5.5V
• 50kor 10ktotal resistance
• High reliability
- Endurance: 1,000,000 data changes per bit per register
- Register data retention: 50 years @ T < +55°C
• 14 Lead TSSOP
• Pb-free plus anneal product (RoHS compliant)
Ordering Information
PART NUMBER
PART MARKING
RESISTANCE OPTION
(k)
TEMP. RANGE
(°C)
PACKAGE
PKG. DWG. #
ISL22449UFV14Z
(Notes 1, 2)
22449 UFVZ
50
-40 to +125
14 Ld TSSOP
M14.173
(Pb-free)
ISL22449WFV14Z
(Notes 1, 2)
22449 WFVZ
10
-40 to +125
14 Ld TSSOP
M14.173
(Pb-free)
NOTES:
1. 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.
2. Add “-TK” suffix for 1,000 Tape and Reel option
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) and XDCP are registered trademarks of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

1 Page





ISL22449 pdf, ピン配列
ISL22449
Absolute Maximum Ratings
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Voltage at any Digital Interface Pin
with Respect to GND . . . . . . . . . . . . . . . . . . . . . -0.3V to VCC+0.3
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
Voltage at any DCP pin with Respect to GND . . . . . . . -0.3V to VCC
Lead Temperature (Soldering, 10s) . . . . . . . . . . . . . . . . . . . . +300°C
IW (10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6mA
Latchup (Note 4) . . . . . . . . . . . . . . . . . . Class II, Level B @ +125°C
ESD (HBM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5kV
(CDM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1kV
Thermal Information
Thermal Resistance (Typical, Note 3)
θJA (°C/W)
14 Ld TSSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +100
Maximum Junction Temperature (Plastic Package) . . . . . . . .+150°C
Recommended Operating Conditions
Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C
VCC Voltage for DCP Operation . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
Wiper Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -3mA to 3mA
Power Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5mW
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
3. θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
4. Jedec Class II pulse conditions and failure criterion used. Level B exceptions are: using a max positive pulse of 6.5V on the SHDN pin, and using
a max negative pulse of -0.8V for all pins.
Analog Specifications Over recommended operating conditions unless otherwise stated.
SYMBOL
PARAMETER
TEST CONDITIONS
TYP
MIN (NOTE 5) MAX
UNIT
RTOTAL End-to-End resistance
W option
U option
10 k
50 k
End-to-End resistance tolerance
W and U option
-20 +20 %
End-to-End Temperature Coefficient W option
±50 ppm/°C
(Note 15)
U option
±80 ppm/°C
(Note 15)
RW Wiper resistance
CW Wiper capacitance
(Note 15)
VCC = 3.3V @ +25°C,
wiper current = VCC/RTOTAL
70 200
25 pF
VOLTAGE DIVIDER MODE (measured at RWi, unloaded; i = 0, 1, 2 or 3)
INL Integral non-linearity
(Note 10)
-1 1 LSB
(Note 6)
DNL Differential non-linearity
(Note 9)
Monotonic over all tap positions
-0.5
0.5 LSB
(Note 6)
ZSerror Zero-scale error
(Note 7)
W option
U option
0 1 5 LSB
(Note 6)
0 0.5 2
FSerror Full-scale error
(Note 8)
W option
U option
-5 -1
0 LSB
(Note 6)
-2 -1 0
VMATCH DCP to DCP matching
(Note 11)
Any two DCPs at same tap position
-2
2 LSB
(Note 6)
TCV Ratiometric temperature coefficient
(Note 12)
DCP register set to 40 hex
±4 ppm/°C
3 FN6333.2
September 15, 2006


3Pages


ISL22449 電子部品, 半導体
Timing Diagrams
Input Timing
CS
SCK
SDI
SDO
tLEAD
tSU
MSB
tH
tWL
HIGH IMPEDANCE
ISL22449
tCYC
...
tWH
...
tFI
tCS
tRI
LSB
tLAG
Output Timing
CS
SCK
SDO
SDI ADDR
tV
MSB
...
tHO
...
LSB
tDIS
XDCP Timing (for All Load Instructions)
CS
SCK
SDI MSB
VW
SDO
HIGH IMPEDANCE
...
tWRT
... LSB
6 FN6333.2
September 15, 2006

6 Page



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共有リンク

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部品番号部品説明メーカ
ISL22444

Quad Digitally Controlled Potentiometer

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ISL22446

Quad Digitally Controlled Potentiometer

Intersil Corporation
Intersil Corporation
ISL22449

Quad Digitally Controlled Potentiometer

Intersil Corporation
Intersil Corporation


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