參數(shù)資料
型號： MAX5222EKA-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： DAC
英文描述： Dual, 8-Bit, Voltage-Output Serial DAC in 8-Pin SOT23
中文描述： DUAL, SERIAL INPUT LOADING, 10 us SETTLING TIME, 8-BIT DAC, PDSO8
封裝： 3 X 3 MM, SOT-23, 8 PIN
文件頁數(shù)： 1/12頁
文件大?。?/td> 527K
代理商： MAX5222EKA-T
General Description
The MAX5222 contains two 8-bit, buffered, voltage-out-
put digital-to-analog converters (DAC A and DAC B) in a
small 8-pin SOT23 package. Both DAC outputs can
source and sink 1mA to within 100mV of ground and
V
DD
. The MAX5222 operates with a single +2.7V to
+5.5V supply.
The device uses a 3-wire serial interface, which oper-
ates at clock rates up to 25MHz and is compatible with
SPI, QSPI, and MICROWIRE interface standards.
The serial input shift register is 16 bits long and con-
sists of 8 bits of DAC input data and 8 bits for DAC
selection and shutdown control. DAC registers can be
loaded independently or in parallel at the positive edge
of CS.
The MAX5222’s ultra-low power consumption and tiny
8-pin SOT23 package make it ideal for portable and
battery-powered applications. Supply current is less
than 1mA and drops below 1μA in shutdown mode. In
addition, the reference input is disconnected from the
REF pin during shutdown, further reducing the system’s
total power consumption.
________________________Applications
Digital Gain and Offset Adjustment
Programmable Current Source
Programmable Voltage Source
Power-Amp Bias Control
VCO Tuning
Features
o
Operates from a Single +2.7V to +5.5V Supply
o
Tiny 8-Pin SOT23 Package (3mm
3mm)
o
Dual Buffered Voltage Output
o
Low Power Consumption
0.4mA Operating Current
<1μA Shutdown Current
o
Programmable Shutdown Mode
o
25MHz, 3-Wire Serial Interface
o
SPI, QSPI, and MICROWIRE Compatible
M
Dual, 8-Bit, Voltage-Output
Serial DAC in 8-Pin SOT23
________________________________________________________________
Maxim Integrated Products
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
1
DAC
LATCH
A
DAC A
DAC
LATCH
B
DAC B
SCLK
OUTA
5
OUTB
6
DIN
REF
V
DD
1
C
D
MAX5222
8
3
1
7
4
0.1
μ
F
(OPTIONAL)
V
OUTA
V
OUTB
GND
2
0.22
μ
F
CS
Functional Diagram
OUTB
V
DD
OUTA
SCLK
1
2
8
7
DIN
REF
GND
CS
MAX5222
TOP VIEW
3
4
6
5
SOT23-8
Pin Configuration
19-1720; Rev 0; 4/00
PART
TEMP. RANGE
-40°C to +85°C
PIN-PACKAGE
8 SOT23-8
MAX5222EKA-T
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Ordering Information
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參數(shù)描述
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MAX5223EKA-T 功能描述:數(shù)模轉(zhuǎn)換器- 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
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