TC1320 Microchip Technology, TC1320 Datasheet

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TC1320

Manufacturer Part Number
TC1320
Description
8-Bit Digital-to-Analog Converter
Manufacturer
Microchip Technology
Datasheet

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Features
• 8-bit Digital-to-Analog Converter
• ±2 LSB INL
• ±0.8 LSB DNL
• 2.7-5.5V Single Supply Operation
• Simple SMBus/I
• 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
Typical Application
©
TC1320EOA
TC1320EUA
8-Bit Digital-to-Analog Converter with Two-Wire Interface
2002 Microchip Technology Inc.
Number
Part
V
IN
V
REF
8-Pin SOIC (Narrow)
2
8-Pin MSOP
C
Package
TM
(1)
Serial Interface
(3)
Microcontroller
Serial Port
SCLK
-40°C to +85°C
-40°C to +85°C
(8)
Temperature
DAC
SDAT
(2)
(2)
Range
V
DD
TC1320
General Description
The TC1320 is a serially accessible 8-bit voltage output
digital-to-analog converter (DAC). The DAC produces
an output voltage that ranges from ground to an exter-
nally supplied reference voltage. It operates from a sin-
gle 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 TC1320 is accomplished via a
simple 2-wire SMBus/I
the TC1320 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
(5)
V
OUT
V
GND
SDA
SCL
REF
8-Pin SOIC (Narrow)
8-Pin MSOP and
2
3
4
1
TC1320
2
C™ compatible serial port with
+
TC1320
8
7
6
5
V
DAC-OUT
NC
V
www.DataSheet4U.com
DD
DS21386B-page 1
OUT
V ADJUST

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TC1320 Summary of contents

Page 1

... Communication with the TC1320 is accomplished via a simple 2-wire SMBus/I the TC1320 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 ...

Page 2

... TC1320 Functional Block Diagram V DD Configuration Register SDA Serial Port Interface SCL Data Register DS21386B-page 2 TC1320 Control DAC-OUT V DAC OUT V REF GND 2002 Microchip Technology Inc. © www.DataSheet4U.com ...

Page 3

... Voltage on any Pin .. (GND – 0.3V Current on any Pin ............................................ ±50mA Package Thermal Resistance (θ )............ 330°C C/W JA Operating Temperature (T )........................ See Below A Storage Temperature (T ) .............. -65°C to +150°C STG TC1320 ELECTRICAL SPECIFICATIONS = 2.7V to 5.5V, -40°C ≤ T Electrical Characteristics Symbol Parameter Power Supply V Supply Voltage DD I ...

Page 4

... TC1320 TC1320 ELECTRICAL SPECIFICATIONS (CONTINUED) = 2.7V to 5.5V, -40°C ≤ T Electrical Characteristics Symbol Parameter Serial Port AC Timing f SMBus Clock Frequency SMB t Bus Free Time Prior to New Transition IDLE t START Condition Hold Time H(START) t START Condition Setup Time SU(START) t STOP Condition Setup Time ...

Page 5

... Input. Voltage Reference Input can range from 0V to 1.2V below V Bi-directional. Serial data is transferred on the SMBus in both directions using this pin. Input Input. SMBus serial clock. Clocks data into and out of the TC1320. Power Ground. Output. Buffered DAC output voltage. This voltage is a function of the reference voltage and the contents of the DATA register ...

Page 6

... Maximum full scale transition settling time is 10µsec to within ±1/2LSB when loaded with 1kΩ in parallel with 100pF. 3.3 Standby Mode The TC1320 allows the host to put it into a Low Power (I = 0.5µA, typical) Standby mode. In this mode, the DD D/A conversion is halted. The SMBus port operates given normally ...

Page 7

... Acknowledge (ACK) provides a positive handshake between the host and the TC1320. The host releases SDA after transmitting eight bits, then generates a ninth clock cycle to allow the TC1320 to pull the SDA line LOW to Acknowledge that it successfully received the previous eight bits of data or address. ...

Page 8

... B = MSB of Address Clocked into Slave C = LSB of Address Clocked into Slave D = R/W Bit Clocked into Slave E = Slave Pulls SDA Line Low 4.6 Register Set and Programmer’s Model TABLE 4-2: TC1320 COMMAND SET (SMBus READ_BYTE AND WRITE_BYTE) Command Byte Description Command Code Function RWD 00h ...

Page 9

... EQUATION 4-1: DATA ---------------- - OUT REF 256 2002 Microchip Technology Inc. © 4.7 Register Set Summary The TC1320’s register set is summarized in Table 4-5 below. All registers are 8-bits wide. D[1] D[0] TABLE 4-5: X LSB Name Description Data Data Register Config CONFIG Register 0000 0000b TC1320 ...

Page 10

... TC1320 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 PIN 1 Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) 8-Pin MSOP Component Taping Orientation for 8-Pin SOIC (Narrow) Devices ...

Page 11

... TYP. .197 (5.00) .189 (4.80) .020 (0.51) .010 (0.25) .013 (0.33) .004 (0.10) 2002 Microchip Technology Inc. © PIN 1 .197 (5.00) .189 (4.80) .043 (1.10) 6° MAX. MAX. .028 (0.70) .016 (0.40) PIN 1 .244 (6.20) .228 (5.79) .069 (1.75) .053 (1.35) ° 8 MAX. . .050 (1.27) .016 (0.40) TC1320 www.DataSheet4U.com .008 (0.20) .005 (0.13) Dimensions: inches (mm) .010 (0.25) .007 (0.18) Dimensions: inches (mm) DS21386B-page 11 ...

Page 12

... TC1320 SALES AND SUPPORT Data Sheets Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recom- mended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following: 1. Your local Microchip sales office 2 ...

Page 13

... Microchip. No licenses are con- veyed, implicitly or otherwise, under any intellectual property rights. 2002 Microchip Technology Inc. © TC1320 Trademarks The Microchip name and logo, the Microchip logo, FilterLab microID, MPLAB, PIC, PICmicro, PICMASTER, ...

Page 14

... Tel: 81-45-471- 6166 Fax: 81-45-471-6122 Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5934 Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan Microchip Technology Taiwan 11F-3, No. 207 ...

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