參數資料
| 型號： | AD7233ANZ |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/8頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT LC2MOS SRL 8-DIP |
| 產品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 50 |
| 系列： | DACPORT® |
| 設置時間： | 10µs |
| 位數： | 12 |
| 數據接口： | 串行 |
| 轉換器數目： | 1 |
| 電壓電源： | 雙 ± |
| 功率耗散（最大）： | 168mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 供應商設備封裝： | 8-PDIP |
| 包裝： | 管件 |
| 輸出數目和類型： | 1 電壓，雙極 |
| 采樣率（每秒）： | 300k |
FUNCTIONAL BLOCK DIAGRAM
INPUT SHIFT
REGISTER
12
SDIN
SCLK
SYNC
LDAC
DAC
LATCH
12
12-BIT
DAC
2R
VOUT
GND
VSS
2R
VDD
AD7233
REV. B
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
LC2MOS
12-Bit Serial Mini-DIP DACPORT
AD7233
GENERAL DESCRIPTION
The AD7233 is a complete 12-bit, voltage-output, digital-to-
analog converter with output amplifier and Zener voltage reference
all in an 8-lead package. No external trims are required to
achieve full specified performance. The data format is two’s
complement, and the output range is –5 V to +5 V.
The AD7233 features a fast, versatile serial interface which
allows easy connection to both microcomputers and 16-bit digital
signal processors with serial ports. When the
SYNC input is
taken low, data on the SDIN pin is clocked into the input shift
register on each falling edge of SCLK. On completion of the
16-bit data transfer, bringing
LDAC low updates the DAC latch
with the lower 12 bits of data and updates the output. Alterna-
tively,
LDAC can be tied permanently low, and in this case the
DAC register is automatically updated with the contents of the
shift register when all sixteen data bits have been clocked in.
The serial data may be applied at rates up to 5 MHz allowing a
DAC update rate of 300 kHz.
For applications which require greater flexibility and unipolar
output ranges with single supply operation, please refer to the
AD7243 data sheet.
The AD7233 is fabricated on Linear Compatible CMOS
(LC
2MOS), an advanced, mixed-technology process. It is pack-
aged in an 8-lead DIP package.
PRODUCT HIGHLIGHTS
1. Complete 12-Bit DACPORT
.
2. The AD7233 is a complete, voltage output, 12-bit DAC on a
single chip. This single-chip design is inherently more reli-
able than multichip designs.
3. Simple 3-wire interface to most microcontrollers and DSP
processors.
4. DAC Update Rate—300 kHz.
5. Space Saving 8-Lead Package.
FEATURES
12-Bit CMOS DAC with
On-Chip Voltage Reference
Output Amplifier
–5 V to +5 V Output Range
Serial Interface
300 kHz DAC Update Rate
Small Size: 8-Pin Mini-DIP
Nonlinearity:
1/2 LSB TMIN to TMAX
Low Power Dissipation: 100 mW Typ
APPLICATIONS
Process Control
Industrial Automation
Digital Signal Processing Systems
Input/Output Ports
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2001
DACPORT is a registered trademark of Analog Devices, Inc.
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