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參數(shù)資料
| 型號： | MAX1280BCUP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | Low Power Digital Temperature Sensor with SMBus/Two-Wire Serial Interface in SOT563 6-SOT -40 to 125 |
| 中文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | 4.40 MM, 0.65 MM PITCH, MO-153AD, TSSOP-20 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 363K |
| 代理商： | MAX1280BCUP |
General Description
The MAX1280/MAX1281 12-bit ADCs combine an 8-chan-
nel analog-input multiplexer, high-bandwidth track/hold,
and serial interface with high conversion speed and low
power consumption. The MAX1280 operates from a single
+4.5V to +5.5V supply; the MAX1281 operates from a sin-
gle +2.7V to +3.6V supply. Both devices’ analog inputs
are software configurable for unipolar/bipolar and single-
ended/pseudo-differential operation.
The 4-wire serial interface connects directly to
SPI/QSPI/MICROWIRE devices without external
logic. A serial strobe output allows direct connection to
TMS320-family digital signal processors. The MAX1280/
MAX1281 use an external serial-interface clock to per-
form successive-approximation analog-to-digital con-
versions. Both parts feature an internal +2.5V reference
and a reference-buffer amplifier with a ±1.5% voltage-
adjustment range. An external reference with a 1V to
V
DD1
range may also be used.
The MAX1280/MAX1281 provide a hard-wired
SHDN
pin and four software-selectable power modes (normal
operation, reduced power, fast power-down, and full
power-down). These devices can be programmed to
automatically shut down at the end of a conversion or to
operate with reduced power. When using the power-
down modes, accessing the serial interface automatical-
ly powers up the devices, and the quick turn-on time
allows them to be powered down between all conver-
sions. This technique can cut supply current to under
100μA at reduced sampling rates.
The MAX1280/MAX1281 are available in 20-pin TSSOP
packages. These devices are higher-speed versions of
the MAX146/MAX147 (for more information, see the
respective data sheet).
Applications
Portable Data Logging
Data Acquisition
Medical Instruments
Battery-Powered Instruments
Pen Digitizers
Process Control
Features
o
8-Channel Single-Ended or 4-Channel
Pseudo-Differential Inputs
o
Internal Multiplexer and Track/Hold
o
Single-Supply Operation
+4.5V to +5.5V (MAX1280)
+2.7V to +3.6V (MAX1281)
o
Internal +2.5V Reference
o
400ksps Sampling Rate (MAX1280)
o
Low Power 2.5mA (400ksps)
1.3mA (Reduced-Power Mode)
0.9mA (Fast Power-Down Mode)
2μA (Full Power-Down)
o
SPI/QSPI/MICROWIRE/TMS320-Compatible
4-Wire Serial Interface
o
Software-Configurable Unipolar or Bipolar Inputs
o
20-Pin TSSOP Package
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
M
400ksps/300ksps, Single-Supply, Low-Power, 8-Channel,
Serial 12-Bit ADCs with Internal Reference
________________________________________________________________
Maxim Integrated Products
1
19-1684; Rev 0; 5/00
PART
TEMP.
RANGE
PIN-
PACKAGE
Ordering Information continued at end of data sheet.
Pin Configuration
Ordering Information
INL
(LSB)
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
MAX1280
BCUP
MAX1280BEUP
0°C to +70°C
-40°C to +85°C
20 TSSOP
20 TSSOP
±1
±1
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
TOP VIEW
TSSOP
V
DD1
V
DD2
DIN
SSTRB
DOUT
GND
REFADJ
REF
COM
CH7
CH6
CH5
CH4
CH3
CH2
CH1
CH0
MAX1280
MAX1281
SHDN
CS
SCLK
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1280 | 400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference |
| MAX1280EVC16 | MAX1280 Evaluation System |
| MAX1280EVKIT | MAX1280 Evaluation System |
| MAX1281 | 400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference |
| MAX1280BEUP | 400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1280BCUP+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 400ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1280BCUP+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 400ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1280BCUP-T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1280BEUP | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1280BEUP+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 400ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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