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參數資料
| 型號： | TLC5618CD |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 12.5 us SETTLING TIME, 12-BIT DAC, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 480K |
| 代理商： | TLC5618CD |
TLC5618, TLC5618A
PROGRAMMABLE DUAL 12-BIT DIGITAL-TO-ANALOG CONVERTERS
SLAS156G – JULY 1997 – REVISED APRIL 2001
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Programmable Settling Time to 0.5 LSB
2.5
s or 12.5 s Typ
D Two 12-Bit CMOS Voltage Output DACs in
an 8-Pin Package
D Simultaneous Updates for DAC A and
DAC B
D Single Supply Operation
D 3-Wire Serial Interface
D High-Impedance Reference Inputs
D Voltage Output Range ... 2 Times the
Reference Input Voltage
D Software Powerdown Mode
D Internal Power-On Reset
D TMS320 and SPI Compatible
D Low Power Consumption:
– 3 mW Typ in Slow Mode,
– 8 mW Typ in Fast Mode
D Input Data Update Rate of 1.21 MHz
D Monotonic Over Temperature
D Available in Q-Temp Automotive
HighRel Automotive Applications
Configuration Control/Print Support
Qualification to Automotive Standards
applications
D Battery Powered Test Instruments
D Digital Offset and Gain Adjustment
D Battery Operated/Remote Industrial
Controls
D Machine and Motion Control Devices
D Cellular Telephones
description
The TLC5618 is a dual 12-bit voltage output
digital-to-analog converter (DAC) with buffered
reference inputs (high impedance). The DACs
have an output voltage range that is two times the
reference voltage, and the DACs are monotonic.
The device is simple to use, running from a single
supply of 5 V. A power-on reset function is
incorporated in the device to ensure repeatable
start-up conditions.
Digital control of the TLC5618 is over a 3-wire
CMOS-compatible serial bus. The device re-
ceives a 16-bit word for programming and
producing the analog output. The digital inputs
feature Schmitt triggers for high noise immunity.
Digital communication protocols include the
SPI
, QSPI, and Microwire standards.
Two versions of the device are available. The
TLC5618 does not have an internal state machine
and is dependent on all external timing signals. The TLC5618A has an internal state machine that counts the
number of clocks from the falling edge of CS and then updates and disables the device from accepting further
data inputs. The TLC5618A is recommended for TMS320 and SPI processors, and the TLC5618 is
recommended only for SPI or 3-wire serial port processors. The TLC5618A is backward-compatible and
designed to work in TLC5618 designed systems.
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.
SPI and QSPI are trademarks of Motorola, Inc.
Microwire is a trademark of National Semiconductor Corporation.
Copyright
2001, Texas Instruments Incorporated
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.
1
2
3
4
8
7
6
5
DIN
SCLK
CS
OUT A
VDD
OUT B
REFIN
AGND
D, P, OR JG PACKAGE
(TOP VIEW)
19
20
1
32
17
18
16
15
14
13
12
11
9
10
5
4
6
7
8
NC
OUTB
NC
REFIN
NC
SCLK
NC
CS
NC
DIN
NC
V
NC
OUT
A
NC
AGND
NC
FK PACKAGE
(TOP VIEW)
DD
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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