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參數資料
| 型號： | MAX5231 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 3V/5V, 12-Bit, Serial Voltage-Output Dual DACs with Internal Reference |
| 中文描述： | 3V/5V、12位、串行電壓輸出、雙路DAC，內置電壓基準 |
| 文件頁數： | 1/18頁 |
| 文件大小： | 974K |
| 代理商： | MAX5231 |
General Description
The MAX5230/MAX5231 low-power, dual 12-bit voltage-
output digital-to-analog converters (DACs) feature an
internal 3ppm/°C precision bandgap voltage reference
and precision output amplifiers. The MAX5231 operates
on a single 5V supply with an internal 2.5V reference and
features a 4.095V full-scale output range. The MAX5230
operates on a single 3V supply with an internal 1.25V ref-
erence and features a 2.0475V full-scale output range.
The MAX5231 consumes only 470μA while the MAX5230
consumes only 420μA of supply current. Both devices
feature low-power (2μA) software- and hardware-
enabled shutdown modes.
The MAX5230/MAX5231 feature a 13.5MHz SPI-,
QSPI-, and MICROWIRE-compatible 3-wire serial
interface. An additional data output (DOUT) allows for
daisy-chaining and read back. Each DAC has a double-
buffered digital input. The MAX5230/MAX5231 feature
two software-selectable shutdown output impedances:
1k
or 200k
. A power-up reset feature sets DAC out-
puts at ground or at the midscale DAC code.
The MAX5230/MAX5231 are specified over the extended
temperature range (-40°C to +85°C) and are available in
16-pin QSOP packages.
Applications
Industrial Process Controls
Automatic Test Equipment
Digital Offset and Gain Adjustment
Motion Control
μP-Controlled Systems
Features
o
Internal 3ppm/°C Precision Bandgap Reference
2.465V (MAX5231)
1.234V (MAX5230)
o
10ppm/°C (max) Full-Scale Output Range
4.095V (MAX5231)
2.0475V (MAX5230)
o
Single-Supply Operation
5V (MAX5231)
3V (MAX5230)
o
Low Supply Current
470μA (MAX5231)
420μA (MAX5230)
o
13.5MHz SPI/QSPI/MICROWIRE-Compatible,
3-Wire Serial Interface
o
Pin-Programmable Power-Up Reset State to Zero
or Midscale Output Voltage
o
Programmable Shutdown Modes with 1k
or
200k
Internal Output Loads
o
Recalls Output State Prior to Shutdown or Reset
o
Buffered Output Drives 5k
|| 100pF Loads
o
Space-Saving 16-Pin QSOP Package
M
3V/5V, 12-Bit, Serial Voltage-Output Dual DACs
with Internal Reference
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
PIN-
PACKAGE
-40°C to +85°C
16 QSOP
-40°C to +85°C
16 QSOP
-40°C to +85°C
16 QSOP
-40°C to +85°C
16 QSOP
19-2332; Rev 1; 9/03
Functional Diagram appears at end of data sheet.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor, Corp.
PART
TEMP RANGE
INL
(LSB)
±
0.5
±
1
±
0.5
±
1
MAX5230
AEEE
MAX5230BEEE
MAX5231
AEEE
MAX5231BEEE
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
OSA
OSB
OUTB
V
DD
AGND
REF
PDL
DOUT
DGND
TOP VIEW
MAX5230
MAX5231
QSOP
OUTA
RSTV
CS
DIN
CLR
LDAC
SCLK
Pin Configuration
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX5231AEEE | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5231AEEE+ | 功能描述:數模轉換器- DAC 12-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5231AEEE+T | 功能描述:數模轉換器- DAC 12-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5231AEEE-T | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5231BEEE | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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