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參數(shù)資料
| 型號： | X9448YV24I-2.7 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | Mixed Signal with 2-Wire Interface |
| 中文描述： | 2.5K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24 |
| 封裝： | PLASTIC, TSSOP-24 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 127K |
| 代理商： | X9448YV24I-2.7 |
REV 1.0 6/21/00
Characteristics subject to change without notice.
1 of 20
www.xicor.com
Mixed Signal with 2-Wire Interface
X9448
Dual Digitally Controlled Potentiometer (XDCP
) & Voltage Comparator
FEATURES
Two digitally controlled potentiometers and two
voltage comparators in one package
2-wire serial interface
Register oriented format
—Direct read/write wiper position
—Store as many as four positions per pot
Fast response comparator
Enable, latch, or shutdown comparator outputs
through ACR
Auto-recall of WCR and ACR data from R0
Hardware write protection, WP
Separate analog and digital/system supplies
Direct write cell
—Endurance–100,000 data changes per bit per
register
—Register data retention–100 years
16-bytes of EEPROM memory
Power saving feature and low noise
Two 10K
or two 2.5K
Resolution: 64 taps each pot
24-lead TSSOP and 24-lead SOIC packages
potentiometers
DESCRIPTION
The X9448 integrates two nonvolatile digitally con-
trolled potentiometers (XDCP) and two voltage com-
parators on a CMOS monolithic microcircuit.
The X9448 contains two resistor arrays, each com-
posed of 63 resistive elements. Between each element
and at either end are tap points accessible to the wiper
elements. The position of the wiper element on the
array is controlled by the user through the two wire
serial bus interface.
Each potentiometer has an associated voltage com-
parator. The comparator compares the external input
voltage V
NI
with the wiper voltage V
put voltage level to a logic high or low.
W
and sets the out-
Each resistor array and comparator has associated
with it a wiper counter register (WCR), analog control
register (ACR), and eight 6-bit data registers that can
be directly written and read by the user. The contents
of the wiper counter register controls the position of
the wiper on the resistor array. The contents of the
analog control register controls the comparator and its
output. The potentiometer is programmed with a
2-wire serial interface
BLOCK DIAGRAM
V
OUT (0,1)
(R
0
-R
3
)
0,1
Interface
and
Control
Circuitry
SCL
SDA
A0
A1
A2
A3
V
H (0,1)
V
L (0,1)
WP
V
W (0,1)
V
NI (0,1)
+
–
WCR
0,1
(R
0
-R
3
)
0,1
ACR
0,1
XDCP is a trademark of Xicor, Inc.
相關PDF資料 |
PDF描述 |
|---|---|
| X9448YS24I-2.7 | Mixed Signal with 2-Wire Interface |
| X9448 | Mixed Signal with 2-Wire Interface |
| X9448YV24-2.7 | Hook-Up Wire; Conductor Size AWG:24; No. Strands x Strand Size:19 x 36; Jacket Color:Yellow; Approval Bodies:UL; Approval Categories:UL AWM Style 1180; Passes VW-1 Flame Test; Cable/Wire MIL SPEC:MIL-W-16878/5 Type EE RoHS Compliant: Yes |
| X9448WV24 | Mixed Signal with 2-Wire Interface |
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| X9455TV24-2.7 | 功能描述:IC DCP DUAL 100K 256TAP 24-TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 標準包裝:2,500 系列:XDCP™ 接片:256 電阻（歐姆）:100k 電路數(shù):1 溫度系數(shù):標準值 ±300 ppm/°C 存儲器類型:非易失 接口:I²C（設備位址） 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR) |
| X9455TV24I-2.7 | 功能描述:IC DCP DUAL 100K 256TAP 24-TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 標準包裝:2,500 系列:XDCP™ 接片:256 電阻（歐姆）:100k 電路數(shù):1 溫度系數(shù):標準值 ±300 ppm/°C 存儲器類型:非易失 接口:I²C（設備位址） 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR) |
| X9455TV24IZ-2.7 | 功能描述:IC XDCP DUAL 256TAP 100K 24TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 接片:32 電阻（歐姆）:50k 電路數(shù):1 溫度系數(shù):標準值 50 ppm/°C 存儲器類型:易失 接口:3 線串行（芯片選擇，遞增，增/減） 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 細型，TSOT-23-6 供應商設備封裝:TSOT-23-6 包裝:帶卷 (TR) |
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