MAX521BCWG

更新时间： 2024-11-08 22:39:31

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
20页	275K
描述
Quad/Octal, 2-Wire Serial 8-Bit DACs with Rail-to-Rail Outputs

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替代型号

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MAX521BCWG 数据手册

19-0378; Rev 3; 9/96

Qu a d /Oc t a l, 2 -Wire S e ria l 8 -Bit DACs

w it h Ra il-t o -Ra il Ou t p u t s

0/MAX521

_______________Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

♦ Single +5V Supply

The MAX520/MAX521 are quad/octal, 8-bit voltage-output

digital-to-analog converters (DACs) with simple 2-wire ser-

ial interfaces that allow communication between multiple

devices. They operate from a single +5V supply and their

reference input range includes both supply rails.

♦ Simple 2-Wire Serial Interface

♦ I²C Compatible

♦ Outputs Swing Rail to Rail:

Unbuffered Outputs (MAX520)

Buffered Outputs (MAX521)

The MAX521 includes rail-to-rail output buffer amplifiers for

reduced system size and component count when driving

loads. The MAX520’s unbuffered voltage outputs reduce

the device’s total supply current to 4µA and provide

increased accuracy at low output currents.

♦ 1%-Accurate Trimmed Output Resistance (MAX520A)

♦ Ultra-Low 4µA Supply Current (MAX520)

♦ Individual DACs Have Separate Reference Inputs

♦ Power-On Reset Clears All Latches

The MAX520/MAX521 feature a serial interface and internal

software protocol, allowing communication at data rates up

to 400kbps. The interface, combined with the double-

buffered input configuration, allows the DAC registers to be

updated individually or simultaneously. In addition, the

devices can be put into a low-power shutdown mode that

reduces supply current to 4µA. Power-on reset ensures the

DAC outputs are at 0V when power is initially applied.

♦ 4µA Power-Down Mode

______________Ord e rin g In fo rm a t io n

TUE

(LSB)

PART^†

TEMP. RANGE PIN-PACKAGE

The MAX520 is available in 16-pin DIP and wide SO pack-

a ge s, a s we ll a s a spa c e -sa ving 20-p in SSOP. The

MAX521 comes in 20-pin DIP and 24-pin SO packages, as

well as a space-saving 24-pin SSOP.

MAX520ACPE

MAX520BCPE

MAX520ACWE

MAX520BCWE

0°C to +70°C

16 Plastic DIP

16 Wide SO

________________________Ap p lic a t io n s

Minimum Component Analog Systems

Digital Offset/Gain Adjustment

Ordering Information continued at end of data sheet.

MAX520 “A” grade parts include a 1%-accurate, factory-trimmed

output resistance.

†

Industrial Process Control

Automatic Test Equipment

_______________Fu n c t io n a l Dia g ra m s

Programmable Attenuators

SDA SCL

REF1

REF0

_________________P in Co n fig u ra t io n s

OUTPUT

LATCH 0

INPUT

LATCH 0

OUT0

OUT1

DAC0

MAX520

TOP VIEW

8-BIT

SHIFT REGISTER

ADDRESS

COMPARATOR

OUT1

OUT0

REF1

REF0

AGND

DGND

SCL

16 OUT2

15 OUT3

14 REF2

INPUT

LATCH 1

OUTPUT

LATCH 1

DAC1

START/STOP

DETECTOR

REF3

MAX520

OUTPUT

LATCH 2

INPUT

LATCH 2

OUT2

OUT3

DAC2

DAC3

DECODE

AD2

AD1

AD0

INPUT

LATCH 3

OUTPUT

LATCH 3

SDA

AD0

AD2

REF2

REF3

DIP/SO

AD1

Functional Diagrams continued at end of data sheet.

Pin Configurations continued at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

12 3 4 5 6 7...20

中文翻译

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MAX521BCWG 替代型号

型号	品牌	替代类型	描述	数据表
MAX521BCWG+T	MAXIM	完全替代	D/A Converter, 8 Func, Serial Input Loading, 6us Settling Time, PDSO24, 0.300 INCH, SO-24
MAX521BCWG+	MAXIM	完全替代	D/A Converter, 8 Func, Serial Input Loading, 6us Settling Time, PDSO24, 0.300 INCH, SO-24

与MAX521BCWG相关器件

型号	品牌	获取价格	描述	数据表
MAX521BCWG+	MAXIM	获取价格	D/A Converter, 8 Func, Serial Input Loading, 6us Settling Time, PDSO24, 0.300 INCH, SO-24
MAX521BCWG+T	MAXIM	获取价格	D/A Converter, 8 Func, Serial Input Loading, 6us Settling Time, PDSO24, 0.300 INCH, SO-24
MAX521BCWG-T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 6us Settling Time, PDSO24, 0.300 INCH, SOP-24
MAX521BEAG	MAXIM	获取价格	Quad/Octal, 2-Wire Serial 8-Bit DACs with Rail-to-Rail Outputs
MAX521BEAG+T	MAXIM	获取价格	D/A Converter, 8 Func, Serial Input Loading, 6us Settling Time, PDSO24, 0.200 INCH, 0.65 M
MAX521BEAG-T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 6us Settling Time, PDSO24, SSOP-24
MAX521BEPP	MAXIM	获取价格	Quad/Octal, 2-Wire Serial 8-Bit DACs with Rail-to-Rail Outputs
MAX521BEPP	ROCHESTER	获取价格	D/A Converter, 1 Func, Serial Input Loading, 6us Settling Time, PDIP20, 0.300 INCH, PLASTI
MAX521BEWG	MAXIM	获取价格	Quad/Octal, 2-Wire Serial 8-Bit DACs with Rail-to-Rail Outputs
MAX521BEWG+T	MAXIM	获取价格	D/A Converter, 8 Func, Serial Input Loading, 6us Settling Time, PDSO24, 0.300 INCH, SO-24

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