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参数资料
| 型号： | CAT512J-TE13 |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO14 |
| 封装： | SOIC-14 |
| 文件页数： | 1/10页 |
| 文件大小： | 71K |
| 代理商： | CAT512J-TE13 |
1
DO
PROG
RDY/BSY
CLK
1
2
3
4
5
6
7
14
13
12
11
8
10
9
VDD
VREF H2
VREF H1
GND
VOUT1
V
OUT
2
CS
DI
VREF L2
VREF L1
GND
DAC 2
EEPROM
LATCH
EEPROM
LATCH
11
DAC 1
12
PROG
RDY/
BSY
PROGRAM
CONTROL
H.V.
CHARGE
PUMP
SERIAL DATA OUTPUT
V
2
OUT
10
V
L2
REF
V
H2
REF
V
1
OUT
V
L1
REF
V
H1
REF
DO
VDD
DATA
CONTROLLER
13
14
3
CLK
CS
2
4
5
7
9
8
1
6
DI
DO
PROG
RDY/BSY
CLK
1
2
3
4
5
6
7
14
13
12
11
8
10
9
VDD
VREF H2
VREF H1
GND
VOUT1
V
OUT
2
CS
DI
VREF L2
VREF L1
CAT512
8-Bit Dual Digital POT with Independent Reference Inputs
Advanced Information
FEATURES
s Output settings retained without power
s Independent Reference Inputs
s Output range includes both supply rails
s Programming voltage generated on-chip
s 2 independently addressable outputs
s Serial
P interface
s Single supply operation: 2.7V-5.5V
APPLICATIONS
s Automated product calibration.
s Remote control adjustment of equipment
s Offset, gain and zero adjustments in Self-
Calibrating and Adaptive Control systems.
s Tamper-proof calibrations.
DESCRIPTION
The CAT512 is a dual 8-Bit Memory DAC designed as an
electronic replacement for mechanical potentiometers
and trim pots. Intended for final calibration of products
such as camcorders, fax machines and cellular tele-
phones on automated high volume production lines and
systems capable of self calibration, it is also well suited
for applications were equipment requiring periodic ad-
justment is either difficult to access or located in a
hazardous environment.
The CAT512 offers 2 independently programmable DACs
each having its own reference inputs and each capable
of rail to rail output swing. Output settings, stored non-
volatile EEPROM memory, are not lost when the device
is powered down and are automatically reinstated when
power is returned. Each output can be dithered to test
new output values without effecting the stored settings
and stored settings can be read back without disturbing
the DAC’s output.
FUNCTIONAL DIAGRAM
PIN CONFIGURATION
Control of the CAT512 is accomplished with a simple 3
wire serial interface. A Chip Select pin allows several
CAT512's to share a common serial interface and com-
munications back to the host controller is via a single
serial data line thanks to the CAT512’s Tri-Stated Data
Output pin. A RDY/
BSYoutput working in concert with
an internal low voltage detector signals proper operation
of EEPROM Erase/Write cycle.
The CAT512 operates from a single 3–5 volt power
supply. The high voltage required for EEPROM Erase/
Write operations is generated on-chip.
The CAT512 is available in the 0
°C to 70°C Commercial
and –40
°C to +85°C Industrial operating temperature
ranges and offered in 14-pin plastic DIP and Surface
mount packages.
DIP Package (P)
SOIC Package (J)
CAT512
2000 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT5132ZGI-10 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT5132ZI-00-G | 功能描述:数字电位计 IC Ind Temp 100K 2-Wire RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| CAT5132ZI-00-GT3 | 功能描述:数字电位计 IC DPP 15V 128 taps I2C RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| CAT5132ZI-10-G | 功能描述:数字电位计 IC Ind Temp 10K 2-Wire RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| CAT5132ZI-10-GT3 | 功能描述:数字电位计 IC DPP,15V,128 taps,I2C RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
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