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参数资料
| 型号： | MAX1284-MAX1285 |
| 厂商： | Maxim Integrated Products, Inc. |
| 元件分类： | ADC |
| 英文描述： | Enhanced Product 1.5 Degrees C Accurate Digital Temperature Sensor W/Spi Interface 6-SOT-23 -40 to 125 |
| 中文描述： | 400ksps/300ksps，单电源，低功耗，串行12的内部参考位ADC |
| 文件页数： | 1/15页 |
| 文件大小： | 210K |
| 代理商： | MAX1284-MAX1285 |
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.
General Description
The MAX1284/MAX1285 12-bit analog-to-digital con-
verters (ADCs) combine a high-bandwidth track/hold
(T/H), a serial interface with high conversion speed, an
internal +2.5V reference, and low power consumption.
The MAX1284 operates from a single +4.5V to +5.5V
supply. The MAX1285 operates from a single +2.7V to
+3.6V supply.
The 3-wire serial interface connects directly to
SPI/QSPI/ MICROWIRE devices without external
logic. The devices use an external serial-interface clock
to perform successive-approximation analog-to-digital
conversions.
Low power, ease of use, and small package size make
these converters ideal for remote-sensor and data-acqui-
sition applications or for other circuits with demanding
power consumption and space requirements. The
MAX1284/MAX1285 are available in 8-pin SO packages.
These devices are pin-compatible, higher-speed ver-
sions of the MAX1240/MAX1241. Refer to the respec-
tive data sheets for more information.
Applications
Portable Data Logging
Data Acquisition
Medical Instruments
Battery-Powered Instruments
Pen Digitizers
Process Control
____________________________Features
o
Single-Supply Operation
+4.5V to +5.5V (MAX1284)
+2.7V to +3.6V (MAX1285)
o
±1LSB (max) DNL, ±1LSB (max) INL
o
400ksps Sampling Rate (MAX1284)
o
Internal Track/Hold
o
+2.5V Internal Reference
o
Low Power: 2.5mA (400ksps)
o
SPI/QSPI/MICROWIRE 3-Wire Serial-Interface
o
Pin-Compatible, High-Speed Upgrades to
MAX1240/MAX1241
o
8-Pin SO Package
400ksps/300ksps, Single-Supply, Low-Power,
Serial 12-Bit ADCs with Internal Reference
________________________________________________________________
Maxim Integrated Products
1
19-1687; Rev 1; 7/00
TOP VIEW
1
2
3
4
8
7
6
5
SCLK
CS
DOUT
GND
REF
SHDN
AIN
V
DD
SO
MAX1284
MAX1285
Pin Configuration
Ordering Information
Functional Diagram
7
8
AIN
T/H
DOUT
6
1
OUTPUT
SHIFT
REGISTER
CONTROL
LOGIC
INT
CLOCK
12-BIT
SAR
2
3
5
GND
REF
4
SHDN
+2.5V REFERENCE
SCLK
CS
MAX1284
MAX1285
V
DD
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
M
*
Future product—contact factory for availability.
PART
TEMP.
RANGE
PIN-
PACKAGE
SUPPLY
VOLTAGE (V)
MAX1284
BCSA
MAX1284BESA* -40
°
C to +85
°
C 8 SO
MAX1285
BCSA
0
°
C to +70
°
C
MAX1285BESA
-40
°
C to +85
°
C 8 SO
0
°
C to +70
°
C
8 SO
5
5
8 SO
2.7 to 3.6
2.7 to 3.6
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1284BCSA | 400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference |
| MAX1284BESA | 400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference |
| MAX1285 | 400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference |
| MAX1286 | 150ksps, 12-Bit, 2-Channel Single-Ended, and 1-Channel True-Differential ADCs in SOT23 |
| MAX1287EKA | PLASTIC ENCAPSULATED DEVICES |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1285BCSA | 功能描述:模数转换器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1285BCSA+ | 功能描述:模数转换器 - ADC 12-Bit 300ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1285BCSA+T | 功能描述:模数转换器 - ADC 12-Bit 300ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1285BCSA-T | 功能描述:模数转换器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1285BESA | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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