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參數(shù)資料
| 型號： | MAX5478ETE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
| 中文描述： | 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, QCC16 |
| 封裝： | 3 X 3 MM, 0.80 MM HEIGHT, MO-220WEED-2, TQFN-16 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 383K |
| 代理商： | MAX5478ETE |
M
Dual, 256-Tap, Nonvolatile, I
2
C-Interface,
Digital Potentiometers
8
_______________________________________________________________________________________
Pin Description
PIN
TSSOP
1
2
3
4
5
6
THIN QFN
15
14
13
12
11
10
NAME
FUNCTION
HA
WA
LA
HB
WB
LB
Potentiometer A High Terminal
Potentiometer A Wiper Terminal
Potentiometer A Low Terminal
Potentiometer B High Terminal
Potentiometer B Wiper Terminal
Potentiometer B Low Terminal
7
9
WP
Write-Protect Input. Connect to GND to allow changes to the wiper position and the data stored
in the EEPROM. Connect to V
DD
or leave open to enable the write protection of the EEPROM.
Ground
Address Input 2. Connect to V
DD
or GND (see Table 1).
Address Input 1. Connect to V
DD
or GND (see Table 1).
Address Input 0. Connect to V
DD
or GND (see Table 1).
I
2
C Serial Data
I
2
C Clock Input
8
9
10
11
12
13
7
6
5
4
3
2
GND
A2
A1
A0
SDA
SCL
14
1
V
DD
Power-Supply Input. Connect a +2.7V to +5.25V power supply to V
DD
and bypass V
DD
to GND
with a 0.1μF capacitor installed as close to the device as possible.
—
—
8, 16
EP
N.C.
EP
No Connection. Do not connect.
Exposed Paddle. Do not connect.
SDA
SCL
START
CONDITION
(S)
t
HD:STA
t
R
t
F
t
HIGH
t
LOW
t
SU:DAT
t
HD:DAT
REPEATED START
CONDITION
(SR)
t
HD:STA
t
SU:STA
t
SU:STO
t
BUF
STOP
CONDITION
(P)
START
CONDITION
(S)
ACKNOWLEDGE
(A)
PARAMETERS ARE MEASURED FROM 30% TO 70%.
Detailed Description
The MAX5477/MAX5478/MAX5479 contain two resistor
arrays with 255 elements in each array. The MAX5477
has a total end-to-end resistance of 10k
, the
MAX5478 has an end-to-end resistance of 50k
, and
the MAX5479 has an end-to-end resistance of 100k
.
The MAX5477/MAX5478/MAX5479 provide access to
the high, low, and wiper terminals for a standard volt-
age-divider configuration. Connect H_, L_, and W_ in
any desired configuration as long as their voltages
remain between GND and V
DD
.
Figure 1. I
2
C Serial-Interface Timing Diagram
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相關代理商/技術參數(shù) |
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|---|---|
| MAX5478ETE#G16 | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5478ETE#TG16 | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5478ETE+ | 功能描述:數(shù)字電位計 IC Dual 256-Tap NV I2C-Interface RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5478ETE+T | 功能描述:數(shù)字電位計 IC Dual 256-Tap NV I2C-Interface RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5478ETE-T | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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