TLC7225IDWR集成电路IC
| 价 格： | 1.00 |
| 品牌/商标 | TI | 型号/规格 | TLC7225IDWR |
| 批号 | 2010+ | 封装 | SOP-24 |
| 营销方式 | 现货 | 产品性质 | 新品 |
| 处理信号 | 模拟信号 | 制作工艺 | 混合集成 |
| 导电类型 | 双极型 | 集成程度 | 小规模 |
| 规格尺寸 | 3（mm） | 工作温度 | -40TO85（℃） |
| 静态功耗 | 500 mW（mW） | 类型 | 逻辑IC |
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 V
¨C 4 V with dual supplies
DD
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 ¨C2?C to 85?C.
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