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參數資料
| 型號： | MAX5812PEUT+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/13頁 |
| 文件大小： | 0K |
| 描述： | IC DAC SERIAL 12BIT 1CH SOT23-6 |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 設置時間： | 4µs |
| 位數： | 12 |
| 數據接口： | I²C，串行 |
| 轉換器數目： | 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： | 帶卷 (TR) |
| 輸出數目和類型： | 1 電壓，單極 |
| 采樣率（每秒）： | * |
General Description
The MAX5812 is a single, 12-bit voltage-output, digital-to-
analog converter (DAC) with an I2C-compatible 2-wire
interface that operates at clock rates up to 400kHz. The
device operates from a single 2.7V to 5.5V supply and
draws only 100A at VDD = 3.6V. A low-power power-
down mode decreases current consumption to less than
1A. The MAX5812 features three software-selectable
power-down output impedances: 100k
, 1k, and high
impedance. Other features include an internal precision
Rail-to-Rail output buffer and a power-on reset circuit
that powers up the DAC in the 100k
power-down mode.
The MAX5812 features a double-buffered I2C-compatible
serial interface that allows multiple devices to share a sin-
gle bus. All logic inputs are CMOS-logic compatible and
buffered with Schmitt triggers, allowing direct interfacing
to optocoupled and transformer-isolated interfaces. The
MAX5812 minimizes digital noise feedthrough by discon-
necting the clock (SCL) signal from the rest of the device
when an address mismatch is detected.
The MAX5812 is specified over the extended temperature
range of -40°C to +85°C and is available in a space-sav-
ing 6-pin SOT23 package. Refer to the MAX5811 for the
10-bit version.
Applications
Digital Gain and Offset Adjustments
Programmable Voltage and Current Sources
Programmable Attenuation
VCO/Varactor Diode Control
Low-Cost Instrumentation
Battery-Operated Equipment
Features
o Ultra-Low Supply Current
100A at VDD = 3.6V
130A at VDD = 5.5V
o 300nA Low-Power Power-Down Mode
o Single 2.7V to 5.5V Supply Voltage
o Fast 400kHz I2C-Compatible 2-Wire Serial
Interface
o Schmitt-Trigger Inputs for Direct Interfacing to
Optocouplers
o Rail-to-Rail Output Buffer Amplifier
o Three Software-Selectable Power-Down Output
Impedances
100k
, 1k, and High Impedance
o Read-Back Mode for Bus and Data Checking
o Power-On Reset to Zero
o Miniature 6-Pin SOT23 Package
MAX5812
12-Bit Low-Power, 2-Wire, Serial
Voltage-Output DAC
________________________________________________________________ Maxim Integrated Products
1
SCL
SDA
1
2
6
5
VDD
ADD
GND
OUT
MAX5812
SOT23
TOP VIEW
3
4
Pin Configuration
Ordering Information
RS
RP
VDD
C
SDA
SCL
SDA
SCL
VDD
OUT
MAX5812
Typical Operating Circuit
19-2340; Rev 0; 1/02
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
MAX5812LEUT
-40°C to +85°C
6 SOT23
AAYT
MAX5812MEUT
-40°C to +85°C
6 SOT23
AAYV
MAX5812NEUT
-40°C to +85°C
6 SOT23
AAYX
MAX5812PEUT
-40°C to +85°C
6 SOT23
AAYZ
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
I2C is a trademark of Philips Corporation.
Selector Guide appears at end of data sheet.
Functional Diagram appears at end of data sheet.
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