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參數資料
| 型號： | MAX522ESA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/12頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 8BIT DUAL SERIAL 8-SOIC |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 設置時間： | 70µs |
| 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： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
| 輸出數目和類型： | 2 電壓，單極 |
| 采樣率（每秒）： | * |
_______________General Description
The MAX522 contains two 8-bit, buffered, voltage-output
digital-to-analog converters (DAC A and DAC B) in small
8-pin SO and DIP packages. DAC A’s buffer can source
and sink 5mA, and DAC B’s output can source and sink
500A, both to within 0.5V of ground and VDD. The
MAX522 operates with a single +2.7V to +5.5V supply.
The device utilizes a 3-wire serial interface, which oper-
ates at clock rates up to 5MHz and is compatible with
SPI, QSPI, and Microwire interface standards.
The serial input shift register is 16 bits long and con-
sists of eight bits of DAC input data and eight bits for
DAC selection and shutdown control. DAC registers
can be loaded independently or in parallel at the posi-
tive edge of CS.
The MAX522’s ultra-low power consumption and small
8-pin SO package make it ideal for portable and bat-
tery-powered applications. Supply current is less than
1mA and drops below 1A in shutdown mode. In addi-
tion, the reference input is disconnected from the REF
pin during shutdown, further reducing the system’s total
power consumption. The software format is compatible
with the MAX512/MAX513 triple 8-bit DACs.
________________________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 Dual Buffered Voltage Output
o Low Power Consumption:
1mA Operating Current
<1A Shutdown Current
o Independently Programmable Shutdown Mode
o 5MHz, 3-Wire Serial Interface
o SPI, QSPI, and Microwire Compatible
o Space-Saving 8-Pin SO Package
MAX522
Dual, 8-Bit, Voltage-Output
Serial DAC in 8-Pin SO Package
________________________________________________________________
Maxim Integrated Products
1
DAC
LATCH
A
DAC A
DAC
LATCH
B
DAC B
SCLK
OUTA
OUTB
DIN
REF
VDD
CS
16-BIT
SHIFT
REGISTER
CONTROL
(8)
DATA
(8)
MAX522
83
1
5
6
7
2
0.1
F
0.1
F
(OPTIONAL)
0.01
F
VOUTA
VOUTB
GND
4
0.22
F
________________Functional Diagram
OUTB
VDD
OUTA
GND
1
2
8
7
DIN
REF
SCLK
CS
MAX522
TOP VIEW
3
4
6
5
DIP/SO
__________________Pin Configuration
Call toll free 1-800-998-8800 for free samples or literature.
19-0403; Rev 0; 6/95
PART
TEMP. RANGE
PIN-PACKAGE
MAX522CPA
0°C to +70°C
8 Plastic DIP
MAX522CSA
0°C to +70°C
8 SO
MAX522EPA
-40°C to +85°C
8 Plastic DIP
SPI and QSPI are trademarks of Motorola Inc.
Microwire is a trademark of National Semiconductor Corp.
______________Ordering Information
MAX522ESA
-40°C to +85°C
8 SO
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