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参数资料
| 型号： | TLC7225CDWG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | PARALLEL, 8 BITS INPUT LOADING, 8-BIT DAC, PDSO24 |
| 封装： | 0.300 INCH, GREEN, SOIC-24 |
| 文件页数： | 1/22页 |
| 文件大小： | 331K |
| 代理商： | TLC7225CDWG4 |
TLC7225C, TLC7225I
QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS
SLAS109B – OCTOBER 1996 – REVISED FEBRUARY 2001
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Four 8-Bit D/A Converters With Individual
References
D Direct Bipolar Operation Without an
External Level-Shift Amplifier
D Microprocessor Compatible
D TTL/CMOS Compatible
D Single Supply Operation Possible
D Simultaneous Update Facility
D Binary Input Coding
applications
D Process Control
D Automatic Test Equipment
D Automatic Calibration of Large System
Parameters e.g., Gain/Offset
description
The TLC7225 consists of four 8-bit voltage-output digital-to-analog converters (DACs), with output buffer
amplifiers and interface logic with double register-buffering.
Separate on-chip latches are provided for each of the DACs. Data is transferred into one of these data latches
through a common 8-bit TTL/CMOS-compatible (5 V) input port. Control inputs A0 and A1 determine which DAC
is loaded when WR goes low. Only the data held in the DAC registers determines the analog outputs of the
converters. The double register buffering allows simultaneous update of all four outputs under control of LDAC.
All logic inputs are TTL- and CMOS-level compatible and the control logic is speed compatible with most 8-bit
microprocessors. Each DAC includes an output buffer amplifier capable of driving up to 5 mA of output current.
The TLC7225 performance is specified for input reference voltages from 2 V to VDD – 4 V with dual supplies.
The voltage-mode configuration of the DACs allow the TLC7225 to be operated from a single power-supply rail
at a reference of 10 V.
The TLC7225 is fabricated in a LinBiCMOS
process that has been specifically developed to allow high-speed
digital logic circuits and precision analog circuits to be integrated on the same chip. The TLC7225 has a common
8-bit data bus with individual DAC latches. This provides a versatile control architecture for simple interface to
microprocessors. All latch-enable signals are level triggered.
Combining four DACs, four operational amplifiers, and interface logic into a small, 0.3-inch wide, 24-terminal
SOIC allows significant reduction in board space requirements and offers increased reliability in systems using
multiple converters. The pinout optimizes board layout with all of the analog inputs and outputs at one end of
the package and all of the digital inputs at the other.
The TLC7225C is characterized for operation from 0
°C to 70°C. The TLC7225I is characterized for operation
from – 25
°C to 85°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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24
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16
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14
13
OUTB
OUTA
VSS
REFB
REFA
AGND
DGND
LDAC
(MSB) DB7
DB6
DB5
DB4
OUTC
OUTD
VDD
REFC
REFD
A0
A1
WR
DB0 (LSB)
DB1
DB2
DB3
DW PACKAGE
(TOP VIEW)
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
2001, Texas Instruments Incorporated
LinBiCMOS is a trademark of Texas Instruments.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLC7225CDWR | 功能描述:数模转换器- DAC 8-Bit 5 us Quad DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| TLC7225CDWRG4 | 功能描述:数模转换器- DAC 8-Bit 5 us Quad DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| TLC7225I | 制造商:TI 制造商全称:Texas Instruments 功能描述:QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS |
| TLC7225IDW | 功能描述:数模转换器- DAC Quad DAC 8bit RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| TLC7225IDWG4 | 功能描述:数模转换器- DAC 8-Bit 5 us Quad DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
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