参数资料
| 型号： | AD7537LNZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT DUAL MULT 24DIP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 15 |
| 设置时间： | 250µs |
| 位数： | 12 |
| 数据接口： | 并联 |
| 转换器数目： | 2 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 24mW |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 24-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 24-PDIP |
| 包装： | 管件 |
| 输出数目和类型： | 2 电流，单极；2 电流，双极 |
| 采样率（每秒）： | 667k |
FUNCTIONAL BLOCK DIAGRAM
REV.
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.
LC2MOS
(8+4) Loading Dual 12-Bit DAC
AD7537
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel:
Fax:
FEATURES
Two 12-Bit DACs in One Package
DAC Ladder Resistance Matching: 0.5%
Space Saving Skinny DIP and Surface Mount Packages
4-Quadrant Multiplication
Low Gain Error (1 LSB max Over Temperature)
Byte Loading Structure
Fast Interface Timing
APPLICATIONS
Automatic Test Equipment
Programmable Filters
Audio Applications
Synchro Applications
Process Control
GENERAL DESCRIPTION
The AD7537 contains two 12-bit current output DACs on one
monolithic chip. A separate reference input is provided for each
DAC. The dual DAC saves valuable board space, and the
monolithic construction ensures excellent thermal tracking.
Both DACs are guaranteed 12-bit monotonic over the full tem-
perature range.
The AD7537 has a 2-byte (8 LSBs, 4 MSBs) loading structure.
It is designed for right-justified data format. The control signals
for register loading are A0, A1,
CS, WR and UPD. Data is
loaded to the input registers when
CS and WR are low. To
transfer this data to the DAC registers,
UPD must be taken low
with
WR.
Added features on the AD7537 include an asynchronous
CLR
line which is very useful in calibration routines. When this is
taken low, all registers are cleared. The double buffering of the
data inputs allows simultaneous update of both DACs. Also,
each DAC has a separate AGND line. This increases the device
versatility; for instance one DAC may be operated with
AGND biased while the other is connected in the standard
configuration.
The AD7537 is manufactured using the Linear Compatible
CMOS (LC
2MOS) process. It is speed compatible with most
microprocessors and accepts TTL, 74HC and 5 V CMOS logic
level inputs.
PRODUCT HIGHLIGHTS
1. DAC to DAC Matching:
Since both DACs are fabricated on the same chip, precise
matching and tracking is inherent. Many applications which
are not practical using two discrete DACs are now possible.
Typical matching: 0.5%.
2. Small Package Size:
The AD7537 is packaged in small 24-pin 0.3" DIPs and in
28-terminal surface mount packages.
3. Wide Power Supply Tolerance:
The device operates on a +12 V to +15 V VDD, with
±10%
tolerance on this nominal figure. All specifications are
guaranteed over this range.
A
781/329-4700
781/461-3113
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7537LP | 制造商:Analog Devices 功能描述:DAC 2-CH R-2R 12-bit 28-Pin PLCC 制造商:Rochester Electronics LLC 功能描述:MULTIPLYING DAC IC - Bulk |
| AD7537LP-REEL | 制造商:AD 制造商全称:Analog Devices 功能描述:LC2MOS 84) Loading Dual 12-Bit DAC |
| AD7537LPZ | 功能描述:IC DAC 12BIT DUAL MULT 28PLCC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 设置时间:1µs 位数:8 数据接口:串行 转换器数目:8 电压电源:双 ± 功率耗散（最大）:941mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC W 包装:带卷 (TR) 输出数目和类型:8 电压，单极 采样率（每秒）:* |
| AD7537LPZ-REEL | 制造商:AD 制造商全称:Analog Devices 功能描述:LC2MOS 84) Loading Dual 12-Bit DAC |
| AD7537SE | 制造商:AD 制造商全称:Analog Devices 功能描述:LC2MOS (8+4) Loading Dual 12-Bit DAC |
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