參數資料
| 型號： | AD7537JN |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/10頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT LC2MOS DUAL 24-DIP |
| 產品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 15 |
| 設置時間： | 250µs |
| 位數： | 12 |
| 數據接口： | 并聯 |
| 轉換器數目： | 2 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 24mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 24-DIP（0.300"，7.62mm） |
| 供應商設備封裝： | 24-PDIP |
| 包裝： | 管件 |
| 輸出數目和類型： | 2 電流，單極；2 電流，雙極 |
| 采樣率（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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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7537JN/+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:12-Bit Digital-to-Analog Converter |
| AD7537JNZ | 功能描述:IC DAC 12BIT LC2MOS DUAL 24-DIP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 設置時間:4µs 位數:12 數據接口:串行 轉換器數目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-uMAX 包裝:管件 輸出數目和類型:2 電壓，單極 采樣率（每秒）:* 產品目錄頁面:1398 (CN2011-ZH PDF) |
| AD7537JP | 功能描述:IC DAC 12BIT DUAL MULT 28-PLCC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Data Converter Fundamentals DAC Architectures 標準包裝:750 系列:- 設置時間:7µs 位數:16 數據接口:并聯 轉換器數目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應商設備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
| AD7537JP-REEL | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS 84) Loading Dual 12-Bit DAC |
| AD7537JPZ | 功能描述:IC DAC 12BIT DUAL MULT 28PLCC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:1 系列:- 設置時間:4.5µs 位數:12 數據接口:串行，SPI? 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°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-SOICN 包裝:剪切帶 (CT) 輸出數目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
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