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參數資料
| 型號： | MAX5822 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual D-type Positive-Edge-Triggered Flip-Flops With Preset And C 14-CFP -55 to 125 |
| 中文描述： | 雙路、12位、低功耗、２線、串行電壓輸出DAC |
| 文件頁數： | 1/13頁 |
| 文件大小： | 287K |
| 代理商： | MAX5822 |
General Description
The MAX5822 is a dual, 12-bit, voltage-output, digital-to-
analog converter (DAC) with an I
2
C
-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 115μA at V
DD
= 3.6V. A power-down mode
decreases current consumption to less than 1μA. The
MAX5822 features three software-selectable power-
down output impedances: 100k
, 1k
, and high imped-
ance. Other features include internal precision
Rail-to-Rail
output buffers and a power-on reset (POR)
circuit that powers up the DAC in the 100k
power-down
mode.
The MAX5822 features a double-buffered I
2
C-compatible
serial interface that allows multiple devices to share a
single bus. All logic inputs are CMOS-logic compatible
and buffered with Schmitt triggers, allowing direct inter-
facing to optocoupled and transformer-isolated inter-
faces. The MAX5822 minimizes digital noise feedthrough
by disconnecting the clock (SCL) signal from the rest of
the device when an address mismatch is detected.
The MAX5822 is specified over the extended tempera-
ture range of -40°C to +85°C and is available in a minia-
ture 8-pin μMAX package. Refer to the MAX5821 data
sheet 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-Powered Instrumentation
Features
o
Ultra-Low Supply Current
115μA at V
DD
= 3.6V
135μA at V
DD
= 5.5V
o
300nA Low-Power Power-Down Mode
o
Single 2.7V to 5.5V Supply Voltage
o
Fast 400kHz I
2
C-Compatible 2-Wire Serial
Interface
o
Schmitt-Trigger Inputs for Direct Interfacing to
Optocouplers
o
Rail-to-Rail Output Buffer Amplifiers
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
8-Pin μMAX Package
M
Dual, 12-Bit, Low-Power, 2-Wire, Serial
Voltage-Output DAC
________________________________________________________________
Maxim Integrated Products
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.
1
REF
SDA
SCL
1
2
8
7
OUTB
OUTA
GND
ADD
V
DD
μ
MAX
TOP VIEW
3
4
6
5
MAX5822
Pin Configuration
Ordering Information
R
P
R
P
V
DD
μ
C
SDA
SCL
SDA
SDA
REF
REF
REF
SCL
SCL
V
DD
V
DD
R
S
R
S
V
DD
OUTA
OUTB
OUTA
OUTB
MAX5822
MAX5822
R
S
R
S
Typical Operating Circuit
19-2315; Rev 0; 1/02
PART
TEMP
RANGE
PIN-
PACKAGE
ADDRESS
MAX5822LEUA
MAX5822MEUA
-40
o
C to +85
o
C
-40
o
C to +85
o
C
8 μMAX
8 μMAX
0111 00X
1011 00X
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
I
2
C is a trademark of Philips Corp.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX5822LEUA | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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 |
| MAX5822LEUA+ | 功能描述:數模轉換器- DAC 12-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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 |
| MAX5822LEUA+T | 功能描述:數模轉換器- DAC 12-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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 |
| MAX5822LEUA-T | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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 |
| MAX5822MEUA | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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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