參數(shù)資料
型號: MAX5120
廠商: Maxim Integrated Products, Inc.
英文描述: +3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference
中文描述: +3V/+5V、12位、串行、電壓輸出DAC,內(nèi)置電壓基準(zhǔn)
文件頁數(shù): 1/20頁
文件大?。?/td> 288K
代理商: MAX5120
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
General Desc ription
The MAX5120/MAX5121 are low-power, 12-bit, voltage-
output digital-to-analog converters (DACs) with an inter-
nal precision bandgap reference and an output amplifier.
The MAX5120 operates on a +5V supply with an internal
amplifier reference of +2.5V and is capable of a +4.095V
full-scale output range. The MAX5121, operating on +3V,
delivers its +2.0475V full-scale output with an internal
precision reference of +1.25V. If necessary, the user can
override the internal, <10ppm/°C voltage reference with
an external reference. Both devices draw only 500μA of
supply current, which reduces to 3μA in power-down
mode. In addition, their power-up reset feature allows for
a user-selectable initial output state of either 0V or mid-
scale and minimizes output voltage glitches during
power-up.
The serial interface is compatible with SPI , QSPI
and MICROWIRE , which makes the MAX5120/
MAX5121 suitable for cascading multiple devices. Each
DAC has a double-buffered input organized as an input
register followed by a DAC register. A 16-bit shift regis-
ter loads data into the input register. The DAC register
may be updated independently or simultaneously with
the input register.
Both devices are available in a 16-pin QSOP package
and are specified for the extended industrial (-40°C to
+85°C) temperature range. For pin-compatible 14-bit
upgrades, see the MAX5170/MAX5172 data sheet;
for pin-compatible 13-bit versions, see the MAX5130/
MAX5131 data sheet.
________________________Applic ations
Industrial Process Controls
Automatic Test Equipment (ATE)
Digital Offset and Gain Adjustment
Motion Control
μP-Controlled Systems
Pin Configuration
Features
o
Single-Supply Operation
+5V (MAX5120)
+3V (MAX5121)
o
Full-Scale Output Range
+4.095V (MAX5120)
+2.0475V (MAX5121)
o
Built-In 10ppm/°C (max) Precision Bandgap
Reference
+2.5V (MAX5120)
+1.25V (MAX5121)
o
Adjustable Output Offset
o
SPI/QSPI/MICROWIRE-Compatible, 3-Wire Serial
Interface
o
Pin-Programmable Shutdown Mode and Power-
Up Reset (0V or Midscale Output Voltage)
o
Buffered Output Capable of Driving 5k
100pF
or 4–20mA Loads
o
Space-Saving 16-Pin QSOP Package
o
Pin-Compatible 13-Bit Upgrades Available
(MAX5130/MAX5131)
o
Pin-Compatible 14-Bit Upgrades Available
(MAX5170/MAX5172)
M
+3V /+5V, 12-Bit, S erial Voltage-Output DACs
with Internal Referenc e
________________________________________________________________ Maxim Integrated Products
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
OS
V
DD
REFADJ
REF
AGND
PD
UPO
DOUT
DGND
TOP VIEW
MAX5120
MAX5121
QSOP
OUT
RSTVAL
CS
PDL
CLR
DIN
SCLK
19-1428; Rev 0; 2/99
PART
MAX5120
AEEE
MAX5120BEEE
MAX5121
AEEE
MAX5121BEEE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
PIN-
PACKAGE
16 QSOP
16 QSOP
16 QSOP
16 QSOP
Ordering Information
INL
(LSB)
±0.5
±1
±1
±2
-40°C to +85°C
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
相關(guān)PDF資料
PDF描述
MAX5120-MAX5121 +3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference
MAX5120BEEE +3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference
MAX5121BEEE +3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference
MAX512 Low-Cost, Triple, 8-Bit Voltage-Output DACs with Serial Interface(三通道,串行,電壓輸出,8位D/A轉(zhuǎn)換器)
MAX515 5V, Low-Power, Voltage-Output, Serial 10-Bit DACs(單通道,電壓輸出,串行,10位D/A轉(zhuǎn)換器)
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