Datasheet > MAX5823

MAX5823

更新时间： 2024-11-09 11:45:59

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
35页	4664K
描述
Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and I2C Interface

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MAX5823 数据手册

19-6185; Rev 0; 2/12

MAX5823/MAX5824/MAX5825

Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered

Output DACs with Internal Reference and I C Interface

General Description

Benefits and Features

S Eight High-Accuracy DAC Channels

The MAX5823/MAX5824/MAX5825 8-channel, low-power,

8-/10-/12-bit, voltage-output digital-to-analog converters

(DACs) include output buffers and an internal 3ppm/°C

reference that is selectable to be 2.048V, 2.500V, or

4.096V. The MAX5823/MAX5824/MAX5825 accept a

wide supply voltage range of 2.7V to 5.5V with extremely

low power (6mW) consumption to accommodate most

low-voltage applications. A precision external reference

input allows rail-to-rail operation and presents a 100kI

(typ) load to an external reference.

TheMAX5823/MAX5824/MAX5825haveanI²C-compatible,

2-wire interface that operates at clock rates up to

400kHz. The DAC output is buffered and has a low sup-

ply current of less than 250FA per channel and a low

offset error of Q0.5mV (typ). On power-up, the MAX5823/

MAX5824/MAX5825 reset the DAC outputs to zero or mid-

scale based on the status of M/Z logic input, providing

flexibility for a variety of control applications. The internal

reference is initially powered down to allow use of an

external reference. The MAX5823/MAX5824/MAX5825

allow simultaneous output updates using software LOAD

commands or the hardware load DAC logic input (LDAC).

 12-Bit Accuracy Without Adjustment

ꢀ1 ꢁLB ꢂIꢁ Buꢃꢃered ꢄoltage ꢅutꢆut

ꢀGuaranteed Monotonic ꢅver All ꢅꢆerating

Conditions

ꢀꢂndeꢆendent Mode Lettings ꢃor Each DAC

S Three Precision Lelectable ꢂnternal Reꢃerences

ꢀ2.048ꢄ, 2.500ꢄ, or 4.096ꢄ

S ꢂnternal ꢅutꢆut Buꢃꢃer

ꢀRail-to-Rail ꢅꢆeration with External Reꢃerence

 4.5µs Lettling Time

 ꢅutꢆuts Directly Drive 2kI ꢁoads

S Lmall 6.5mm x 4.4mm 20-Pin TLLꢅP or Ultra-

Lmall 2.5mm x 2.3mm 20-Bumꢆ WꢁP Package

S Wide 2.7ꢄ to 5.5ꢄ Luꢆꢆly Range

S Leꢆarate 1.8ꢄ to 5.5ꢄ ꢄ

Power-Luꢆꢆly ꢂnꢆut

DDꢂꢅ

S Fast 400kHz ꢂ²C-Comꢆatible, 2-Wire Lerial

ꢂnterꢃace

S Pin-Lelectable Power-ꢅn-Reset to Zero-Lcale or

Midscale DAC ꢅutꢆut

S LDAC and CLR For Asynchronous DAC Control

The MAX5823/MAX5824/MAX5825 feature a watchdog

function which can be enabled to monitor the I/O inter-

face for activity and integrity.

S Three Loꢃtware-Lelectable Power-Down ꢅutꢆut

ꢂmꢆedances

ꢀ1kI, 100kI, or High ꢂmꢆedance

A clear logic input (CLR) allows the contents of the CODE

and the DAC registers to be cleared asynchronously and

simultaneously sets the DAC outputs to the program-

mable default value. The MAX5823/MAX5824/MAX5825

are available in a 20-pin TSSOP and an ultra-small,

20-bump WLP package and are specified over the -40NC

to +125NC temperature range.

Functional Diagram

REF

DDIO

MAX5823

MAX5824

MAX5825

INTERNAL REFERENCE/

EXTERNAL BUFFER

SCL

SDA

1 OF 8 DAC CHANNELS

Applications

ADDR0

ADDR1

CODE

DAC

LATCH

8-/10-/12-BIT

DAC

C SERIAL

INTERFACE

OUT0

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

OUT7

BUFFER

Programmable Voltage and Current Sources

Gain and Offset Adjustment

CLR

LDAC

(GATE/

CLEAR/

RESET)

CLEAR/

RESET

CODE

LOAD

100kI

1kI

Automatic Tuning and Optical Control

Power Amplifier Control and Biasing

Process Control and Servo Loops

Portable Instrumentation

IRQ

WATCHDOG

TIMER

POWER-DOWN

DAC CONTROL LOGIC

M/Z

POR

GND

Ordering Information appears at end of data sheet.

For related parts and recommended products to use with this part, refer to: www.maxim-ic.com/MAX5823.related

ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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与MAX5823相关器件

型号	品牌	获取价格	描述	数据表
MAX5823_13	MAXIM	获取价格	Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and
MAX5823AUP	MAXIM	获取价格	Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and
MAX5823AUP+	MAXIM	获取价格	Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and
MAX5824	MAXIM	获取价格	Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and
MAX5824AUP	MAXIM	获取价格	Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and
MAX5824AUP+	MAXIM	获取价格	Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and
MAX5824AWP+T	MAXIM	获取价格	D/A Converter
MAX5825	MAXIM	获取价格	Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and
MAX5825	ADI	获取价格	超小尺寸、八通道、8/10/12位缓冲输出DAC，内置基准和I2C接口
MAX5825A	MAXIM	获取价格	MAX5825A Evaluation Kit

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