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X68C

更新时间： 2024-11-20 03:15:11

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器
页数	文件大小	规格书
18页	832K
描述
10-Bit Micro Power QUAD Digital-to-Analog Converter with Rail-to-Rail Output

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X68C 数据手册

June 2006

DAC104S085

10-Bit Micro Power QUAD Digital-to-Analog Converter

with Rail-to-Rail Output

General Description

Features

n Guaranteed Monotonicity

n Low Power Operation

The DAC104S085 is a full-featured, general purpose QUAD

10-bit voltage-output digital-to-analog converter (DAC) that

can operate from a single +2.7V to 5.5V supply and uses

350 µA at 3V and 500 µA at 5V. The DAC104S085 is

packaged in a 10-lead MSOP package. The on-chip output

amplifier allows rail-to-rail output swing and the three wire

serial interface operates at clock rates up to 40 MHz over the

entire supply voltage range. Competitive devices are limited

to 25 MHz clock rates at supply voltages in the 2.7V to 3.6V

range. The serial interface is compatible with standard

n Rail-to-Rail Voltage Output

n Power-on Reset to 0V

n Simultaneous Output Updating

n Wide power supply range (+2.7V to +5.5V)

n Power Down Modes

Key Specifications

n Resolution

™

SPI , QSPI, MICROWIRE and DSP interfaces.

10 bits

The reference for the DAC104S085 serves all four channels

and can vary in voltage between 1V and V_A, providing the

widest possible output dynamic range. The DAC104S085

has a 16-bit input shift register that controls the outputs to be

updated, the mode of operation, the powerdown condition,

and the binary input data. All four outputs can be updated

simultaneously or individually depending on the setting of

the two mode of operation bits.

n INL

n DNL

2 LSB (max)

+0.35 / −0.25 LSB (max)

6 µs (max)

n Settling Time

n Zero Code Error

n Full-Scale Error

n Supply Current

— Normal

+15 mV (max)

−0.75 %FS (max)

485 µA (3.6V) / 650 µA (5.5V) max

20 nA (3.6V) / 30 nA (5.5V) typ

— Pwr Down

A power-on reset circuit ensures that the DAC output powers

up to zero volts and remains there until there is a valid write

to the device. A power-down feature reduces power con-

sumption to less than a microWatt with three different termi-

nation options.

Applications

n Battery-Powered Instruments

n Digital Gain and Offset Adjustment

n Programmable Voltage & Current Sources

n Programmable Attenuators

The low power consumption and small packages of the

DAC104S085 make it an excellent choice for use in battery

operated equipment.

The DAC104S085 is one of a family of pin compatible DACs,

including the 8-bit DAC084S085 and the 12-bit

DAC124S085. The DAC104S085 operates over the ex-

tended industrial temperature range of −40˚C to +105˚C.

Pin Configuration

20195302

™

SPI is a trademark of Motorola, Inc.

DS201953

www.national.com

12 3 4 5 6 7...18

中文翻译

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X68C64	XICOR	获取价格	E2 Micro-Peripheral
X68C64D	XICOR	获取价格	EEPROM, 8KX8, 120ns, Parallel, CMOS, CDIP24, HERMETIC SEALED, CERDIP-24
X68C64DI	XICOR	获取价格	EEPROM, 8KX8, 120ns, Parallel, CMOS, CDIP24, HERMETIC SEALED, CERDIP-24
X68C64DM	XICOR	获取价格	暂无描述
X68C64DMB	XICOR	获取价格	EEPROM, 8KX8, 120ns, Parallel, CMOS, CDIP24,
X68C64E	XICOR	获取价格	EEPROM, 8KX8, 120ns, Parallel, CMOS, CQCC32,
X68C64EI	XICOR	获取价格	EEPROM, 8KX8, 120ns, Parallel, CMOS, CQCC32,
X68C64EM	XICOR	获取价格	EEPROM, 8KX8, 120ns, Parallel, CMOS, CQCC32,
X68C64EMB	XICOR	获取价格	EEPROM, 8KX8, 120ns, Parallel, CMOS, CQCC32,
X68C64P	XICOR	获取价格	E2 Micro-Peripheral

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