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參數資料
| 型號： | MAX5223EKA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/11頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 8BIT DUAL LP SER SOT23-8 |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 設置時間： | 50µs |
| 位數： | 8 |
| 數據接口： | 串行 |
| 轉換器數目： | 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 |
| 輸出數目和類型： | 2 電壓，單極 |
| 采樣率（每秒）： | * |
| 產品目錄頁面： | 1397 (CN2011-ZH PDF) |
| 其它名稱： | MAX5223EKA+TDKR |
General Description
The MAX5223 contains two 8-bit, buffered, voltage out-
put digital-to-analog converters (DAC A and DAC B) in a
small 8-pin SOT23 package. DAC outputs can source
and sink 1mA to within 100mV of ground and VDD. The
MAX5223 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 MAX5223’s ultra-low power consumption and tiny
8-pin SOT23 package make it ideal for portable and
battery-powered applications. Supply current is a low
100A and drops below 1A in shutdown mode. In
addition, the reference input is disconnected from the
REF pin during shutdown, which reduces 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 Tiny 8-Pin SOT23 Package (3mm 3mm)
o Low Power Consumption
100A Operating Current
<1A Shutdown Current
o +2.7V to +5.5V Single-Supply Operation
o Dual Buffered Voltage Output
o Programmable Shutdown Mode
o 25MHz, 3-Wire Serial Interface
o SPI, QSPI, and MICROWIRE-Compatible
MAX5223
Low-Power, 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)
MAX5223
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
MAX5223
TOP VIEW
3
4
6
5
SOT23-8
Pin Configuration
19-1895; Rev 0; 1/01
PART
TEMP. RANGE
PIN-PACKAGE
MAX5223EKA-T
-40°C to +85°C
8 SOT23
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Ordering Information
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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