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PDF TC1321 Data sheet ( Hoja de datos )
| Número de pieza | TC1321 | |
| Descripción | 10-Bit Digital-to-Analog Converter | |
| Fabricantes | Microchip Technology | |
| Logotipo |  |
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TC1321
10-Bit Digital-to-Analog Converter with Two-Wire Interface
Features
• 10-Bit Digital-to-Analog Converter
• 2.7-5.5V Single Supply Operation
• Simple SMBus/I2CTM Serial Interface
• Low Power: 350µA Operation, 0.5µA Shutdown
• 8-Pin SOIC and 8-Pin MSOP Packages
Applications
• Programmable Voltage Sources
• Digital Controlled Amplifiers/Attenuators
• Process Monitoring and Control
Device Selection Table
Part
Number
Package
Temperature Range
TC1321EOA 8-Pin SOIC (Narrow) -40°C to +85°C
TC1321EUA
8-Pin MSOP
-40°C to +85°C
General Description
The TC1321 is a serially accessible 10-bit voltage out-
put digital-to-analog converter (DAC). The DAC pro-
duces an output voltage that ranges from ground to an
externally supplied reference voltage. It operates from
a single power supply that can range from 2.7V to 5.5V,
making it ideal for a wide range of applications. Built
into the part is a Power-on Reset function that ensures
that the device starts at a known condition.
Communication with the TC1321 is accomplished via a
simple 2-wire SMBus/I2C compatible serial port, with
the TC1321 acting as a slave only device. The host can
enable the SHDN bit in the CONFIG register to activate
the Low Power Standby mode.
Package Type
8-Pin MSOP and
8-Pin SOIC (Narrow)
VREF 1
SDA 2
SCL 3
GND 4
TC1321
8 VDD
7 DAC-OUT
6 NC
5 VOUT
Typical Application
VIN
VREF
(1)
(8) VDD
TC1321
DAC
VOUT
(5)
Serial Port
(3) (2)
SCLK SDAT
Microcontroller
–
VADJUST
+
© 2002 Microchip Technology Inc.
DS21387B-page 1
1 page  
TC1321
www.DataSheet4U.com
2.0 PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1: PIN FUNCTION TABLE
Pin Number
1
2
3
4
5
6
7
8
Symbol
VREF
SDA
SCL
GND
VOUT
NC
DAC-OUT
VDD
Type
Input
Bi-Directional
Input
Power
Output
None
Output
Power
Description
Input. Voltage Reference Input can range from 0V to 1.2V below VDD.
Bi-directional. Serial data is transferred on the SMBus in both directions
using this pin.
Input. SMBus serial clock. Clocks data into and out of the TC1321.
Ground.
Output. Buffered DAC output voltage. This voltage is a function of the
reference voltage and the contents of the DATA register.
No connection.
Output. Unbuffered DAC output voltage. This voltage is a function of the
reference voltage and the contents of the DATA register. This output is
unbuffered and care must be taken that the pin is connected only to a
high-impedance node.
Positive power supply input. See electrical specifications.
© 2002 Microchip Technology Inc.
DS21387B-page 5
5 Page 
TC1321
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5.0 PACKAGING INFORMATION
5.1 Package Marking Information
Package marking data not available at this time.
5.2 Taping Forms
Component Taping Orientation for 8-Pin MSOP Devices
User Direction of Feed
PIN 1
W
P
Standard Reel Component Orientation
for TR Suffix Device
Carrier Tape, Number of Components Per Reel and Reel Size
Package
8-Pin MSOP
Carrier Width (W)
12 mm
Pitch (P)
8 mm
Part Per Full Reel
2500
Reel Size
13 in
Component Taping Orientation for 8-Pin SOIC (Narrow) Devices
User Direction of Feed
PIN 1
W
P
Standard Reel Component Orientation
for TR Suffix Device
Carrier Tape, Number of Components Per Reel and Reel Size
Package
8-Pin SOIC (N)
Carrier Width (W)
12 mm
Pitch (P)
8 mm
Part Per Full Reel
2500
Reel Size
13 in
© 2002 Microchip Technology Inc.
DS21387B-page 11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TC1321.PDF ] | |
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