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參數(shù)資料
| 型號： | DS3930E+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT NV HEX I/O MEM 20-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： | 256 |
| 電阻（歐姆）： | 16.5k |
| 電路數(shù)： | 6 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 ±250 ppm/°C |
| 存儲器類型： | 非易失 |
| 接口： | I²C（設(shè)備位址） |
| 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： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
General Description
The DS3930 contains six 256-position nonvolatile (NV)
potentiometers, 64 bytes of NV user EEPROM memory,
and four programmable NV I/O pins. The six poten-
tiometers all share a common low side. The potentiome-
ters are separated into two groups of three 50k
potentiometers in parallel. Each group of three poten-
tiometers shares a common high side and forms an
equivalent resistance of 16.6k
(three 50k poten-
tiometers in parallel).
Applications
RF Transceivers
Voltage References
Power Supply Calibration
Mobile Phones and PDAs
Fiber Optic Transceiver Modules
Portable Electronics
Radio Tuners
Small, Low-Cost Replacement for Mechanical
Potentiometers
Features
Six 256-Position NV Potentiometers
Four General-Purpose NV I/O Pins
64 Bytes of User EEPROM Memory
0 to 5.5V on Any Potentiometer Terminal,
Independent of VCC
All Six Potentiometers Share a Common Low Side
Potentiometers Separated into Two Groups of
Three Potentiometers, Each Sharing a Common
High Side
2-Wire Serial Interface
Wide Supply Range (2.7V to 5.5V)
Up to Eight DS3930s Can Share the Same
2-Wire Bus
DS3930
Hex Nonvolatile Potentiometer with
I/O and Memory
_____________________________________________ Maxim Integrated Products
1
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
HI0-2
W0
W1
W2
SDA
A2
A1
A0
TOP VIEW
LO0-5
HI3-5
W3
W4
I/O2
I/O1
I/O0
SCL
12
11
9
10
W5
I/O3
GND
VCC
TSSOP
DS3930
Pin Configuration
A2
SDA
GND
SCL
I/O3
I/O2
I/O1
I/O0
LO0-5
A0
A1
HI0-2
HI3-5
W0
W1
W2
W3
W4
W5
VCC
DECOUPLING CAP
0.1
F
2-WIRE
INTERFACE
4.7k
4.7k
DIGITAL
NONVOLATILE I/O
DIGITAL
NONVOLATILE I/O
WIPER
TERMINALS
WIPER
TERMINALS
DS3930
Typical Operating Circuit
Ordering Information
Rev 0; 4/03
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART
PIN-PACKAGE
DS3930E
20 TSSOP
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