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參數(shù)資料
| 型號： | MAX5812LEUT+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC SERIAL 12BIT 1CH SOT23-6 |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 設置時間： | 4µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | I²C，串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 727mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應商設備封裝： | SOT-6 |
| 包裝： | 標準包裝 |
| 輸出數(shù)目和類型： | * |
| 采樣率（每秒）： | * |
| 其它名稱： | MAX5812LEUT+TDKR |
MAX5812
12-Bit Low-Power, 2-Wire, Serial
Voltage-Output DAC
______________________________________________________________________________________
11
Read Data Format
In read mode (R/W = 1), the MAX5812 writes the con-
tents of the DAC register to the bus. The direction of
data flow reverses after the address acknowledge by
the MAX5812. The device transmits the first byte of
data, waits for the master to acknowledge, and then
transmits the second byte. Figure 7 shows an example-
read data sequence.
I2C Compatibility
The MAX5812 is compatible with existing I2C systems.
SCL and SDA are high-impedance inputs; SDA has an
open drain that pulls the data line low during the ninth
clock pulse. The Typical Operating Circuit shows a typ-
ical I2C application. The communication protocol sup-
ports standard I2C 8-bit communications. The general
call address is ignored. The MAX5812 address is com-
patible only with the 7-bit I2C addressing protocol. Ten-
bit address formats are not supported.
Digital Feedthrough Suppression
When the MAX5812 detects an address mismatch, the
serial interface disconnects the SCL signal from the
core circuitry. This minimizes digital feedthrough
caused by the SCL signal on a static output. The serial
interface reconnects the SCL signal when a valid
START condition is detected.
Applications Information
Powering the Device From an
External Reference
The MAX5812 uses the VDD as the DAC voltage refer-
ence. Any power-supply noise is directly coupled to the
device output. The circuit in Figure 8 uses a precision
voltage reference to power the MAX5812, isolating the
device from any power-supply noise. Powering the
MAX5812 in such a manner greatly improves overall
performance, especially in noisy systems. The
MAX6030 (3V, 75ppm/°C) or the MAX6050 (5V,
75ppm/°C) precision voltage references are ideal
choices because of the low power requirements of the
MAX5812.
Digital Inputs and Interface Logic
The MAX5812 2-wire digital interface is I2C and SMBus-
compatible. The two digital inputs (SCL and SDA) load
SA6
A5
A4
A3
A2
A1
A0
C3
C2
X
XXX
Sr
A6
A5
A4
A3
A2
A1
A0
MSB
LSB
MSB
LSB
MSB
ACK
D7
D6
D5
D4
D3
D2
D1
D0
MSB
LSB
ACK
P
R/W
= 1
XX
PD1
PD0
D11
D10
D9
D8
MSB
LSB
DATA BYTES GENERATED BY MASTER DEVICE
DATA BYTES GENERATED BY MAX5812
ACK GENERATED BY
MASTER DEVICE
R/W
= 0
Figure 7. Example Read Word Data Sequence
VDD
IN
GND
OUT
MAX5812
MAX6030/
MAX6050
Figure 8. Powering the MAX5812 from An External Reference
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5812LEUT-TG035 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX5812MEUT | 制造商:Maxim Integrated Products 功能描述:12-BIT LOW-POWER 2-WIRE SERIAL V - Cut Tape Product |
| MAX5812MEUT#TG16 | 功能描述:IC DAC 12BIT 2WIRE SER SOT23-6 RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓模塊:Data Converter Fundamentals DAC Architectures 標準包裝:3,000 系列:nanoDAC™ 設置時間:80µs 位數(shù):18 數(shù)據(jù)接口:DSP，MICROWIRE?，QSPI?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 供應商設備封裝:SOT-23-8 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電壓，單極 采樣率（每秒）:- 產(chǎn)品目錄頁面:784 (CN2011-ZH PDF) 配用:EVAL-AD5680EBZ-ND - BOARD EVAL FOR AD5680 其它名稱:AD5680BRJZ-2REEL7TR |
| MAX5812MEUT+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX5812MEUT+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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