lc89080 Sanyo Semiconductor Corporation, lc89080 Datasheet

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lc89080

Manufacturer Part Number
lc89080
Description
Video Signal 3-channel 8-bit D/a Converter
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
Preliminary
Overview
The LC89080 and LC89080Q are high-speed current-
output D/A converters. They feature 8-bit resolution,
provide 3 channels on a single chip, and can be used in
demodulators for high-speed signals such as video signals.
Features
• Resolution: 8 bits
• D/A converters: Three current-output D/A converter
• Maximum conversion speed: 30 MSPS
• Error: ±1.0 LSB (maximum)
• Power supply: +5 V single-voltage power supply
• Power dissipation: 330 mW
• Inputs: TTL compatible
Ordering number : EN*4030A
channels on a single chip
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Video Signal 3-Channel 8-Bit D/A Converter
Package Dimensions
unit: mm
3025B-DIP42S
unit: mm
3052A-QFP48A
LC89080, 89080Q
[LC89080Q]
[LC89080]
D3095HA (OT)/5272TS No. 4030-1/8
SANYO: QFP48A
SANYO: DIP42S
CMOS LSI

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lc89080 Summary of contents

Page 1

... Ordering number : EN*4030A Preliminary Overview The LC89080 and LC89080Q are high-speed current- output D/A converters. They feature 8-bit resolution, provide 3 channels on a single chip, and can be used in demodulators for high-speed signals such as video signals. Features • Resolution: 8 bits • D/A converters: Three current-output D/A converter channels on a single chip • ...

Page 2

... For each channel Full-scale output voltage Vfull For each channel Full-scale voltage ratio FSR Linearity error I.L. DC precision Differential linearity error D.L. DC precision Reference voltage output V OUT REF LC89080, 89080Q = Symbol Conditions max Topr Tstg Conditions = 5 1 REF Conditions ...

Page 3

... Pin Assignment LC89080 (DIP42S) Pin No. Symbol 1 DV Digital system power supply (+ DA1 Channel A digital input (MSB DA2 to DA7 Channel A digital input 9 DA8 Channel A digital input (LSB) 10 DB1 Channel B digital input (MSB DB2 to DB7 Channel B digital input 17 DB8 ...

Page 4

... Pin Assignment LC89080Q (QFP48A) Pin No. Symbol DA5 to 7 Channel A digital input 4 DA8 Channel A digital input (LSB) 5 DB1 Channel B digital input (MSB Unused (no connection DB2 to DB7 Channel B digital input 13 DB8 Channel B digital input (LSB) 14 DC1 Channel C digital input (MSB) ...

Page 5

... LC89080 Operation The LC89080 and LC89080Q include three current-matrix D/A converters on chip. These D/A converters each have 63 basic current cells (with current weight I) and two weighted current cells (I/2 and I/4). These current cells are turned on or off according to the input digital code (a binary code). The sum of these currents is output to the output pins (IO and ...

Page 6

... Sample Application Circuit: LC89080Q Application circuit in which the output resistance Characteristics –30 to 70°C, V Parameter Symbol Data setup time ts Data hold time th Output delay time td LC89080, 89080Q and the internally generated 1-V reference voltage is used. = 4 Conditions min typ max ...

Page 7

... Timing Chart The digital inputs for all 3 channels are acquired on the rising edge of the clock input, after which the corresponding analog voltages are output. LC89080, 89080Q No. 4030-7/8 ...

Page 8

... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of February, 1997. Specifications and information herein are subject to change without notice. LC89080, 89080Q No. 4030-8/8 ...

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