參數(shù)資料
型號： MAX5222EKA+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/12頁
文件大?。?/td> 0K
描述： IC DAC 8BIT DUAL BUFF SOT23-8
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 1
設置時間： 10µs
位數(shù)： 8
數(shù)據(jù)接口： 串行
轉換器數(shù)目： 2
電壓電源： 單電源
工作溫度： -40°C ~ 85°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： 標準包裝
輸出數(shù)目和類型： 2 電壓，單極
采樣率（每秒）： *
產(chǎn)品目錄頁面： 1397 (CN2011-ZH PDF)
其它名稱： MAX5222EKA+TDKR
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
VDD. 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 1A 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
<1A Shutdown Current
o Programmable Shutdown Mode
o 25MHz, 3-Wire Serial Interface
o SPI, QSPI, and MICROWIRE Compatible
MAX5222
Dual, 8-Bit, Voltage-Output
Serial DAC in 8-Pin SOT23
________________________________________________________________ Maxim Integrated Products
1
DAC
LATCH
A
DAC A
DAC
LATCH
B
DAC B
SCLK
OUTA
OUTB
DIN
REF
VDD
16-BIT
SHIFT
REGISTER
CONTROL
(8)
DATA
(8)
MAX5222
83
1
5
6
7
4
0.1
F
(OPTIONAL)
VOUTA
VOUTB
GND
2
0.22
F
CS
Functional Diagram
OUTB
VDD
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
PIN-PACKAGE
MAX5222EKA-T
-40°C to +85°C
8 SOT23-8
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Ordering Information
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.
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