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參數(shù)資料
| 型號： | MAX186BCAP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | Low-Power, 8-Channel, Serial 12-Bit ADCs |
| 中文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | SSOP-20 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大小： | 245K |
| 代理商： | MAX186BCAP |
_______________General Desc ription
The MAX186/MAX188 are 12-bit data-acquisition sys-
tems that combine an 8-channel multiplexer, high-band-
width track/hold, and serial interface together with high
conversion speed and ultra-low power consumption.
The devices operate with a single +5V supply or dual
±5V supplies. The analog inputs are software config-
urable for unipolar/bipolar and single-ended/differential
operation.
The 4-wire serial interface directly connects to SPI ,
QSPI and Microwire devices without external logic. A
serial strobe output allows direct connection to TMS320
family digital signal processors. The MAX186/MAX188
use either the internal clock or an external serial-interface
clock to perform successive-approximation A/D conver-
sions. The serial interface can operate beyond 4MHz
when the internal clock is used.
The MAX186 has an internal 4.096V reference while the
MAX188 requires an external reference. Both parts
have a reference-buffer amplifier that simplifies gain
trim .
The MAX186/MAX188 provide a hard-wired
SHDN
pin
and two software-selectable power-down modes.
Accessing the serial interface automatically powers up
the devices, and the quick turn-on time allows the
MAX186/MAX188 to be shut down between every
conversion. Using this technique of powering down
between conversions, supply current can be cut to
under 10μA at reduced sampling rates.
The MAX186/MAX188 are available in 20-pin DIP and
SO packages, and in a shrink small-outline package
(SSOP), that occupies 30% less area than an 8-pin DIP.
For applications that call for a parallel interface, see the
MAX180/MAX181 data sheet. For anti-aliasing filters,
consult the MAX274/MAX275 data sheet.
________________________Applic ations
Portable Data Logging
Data-Acquisition
High-Accuracy Process Control
Automatic Testing
Robotics
Battery-Powered Instruments
Medical Instruments
____________________________Features
o
8-Channel Single-Ended or 4-Channel
Differential Inputs
o
Single +5V or ±5V Operation
o
Low Power: 1.5mA (operating mode)
2μA (power-down mode)
o
Internal Track/Hold, 133kHz Sampling Rate
o
Internal 4.096V Reference (MAX186)
o
SPI-, QSPI-, Microwire-, TMS320-Compatible
4-Wire Serial Interface
o
Software-Configurable Unipolar or Bipolar Inputs
o
20-Pin DIP, SO, SSOP Packages
o
Evaluation Kit Available
______________Ordering Information
PART
MAX186_CPP
MAX186_CWP
MAX186_CAP
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
Ordering Information continued on last page.
NOTE: Parts are offered in grades A, B, C and D (grades defined
in Electrical Characteristics). When ordering, please specify grade.
Contact factory for availability of A-grade in SSOP package.
* Dice are specified at +25°C, DC parameters only.
**Contact factory for availability and processing to MIL-STD-883.
TEMP. RANGE
0°C to +70°C
0°C to +70°C
M
Low-Power, 8-Channel,
S erial 12-Bit ADCs
________________________________________________________________ Maxim Integrated Products
1
PIN-PACKAGE
20 Plastic DIP
20 SO
20 SSOP
Dice*
20 Plastic DIP
20 SO
20 SSOP
20 CERDIP**
MAX186DC/D
MAX186_EPP
MAX186_EWP
MAX186_EAP
MAX186_MJ P
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
TOP VIEW
DIP/SO/SSOP
V
DD
SCLK
CS
DIN
SSTRB
DOUT
DGND
AGND
REFADJ
VREF
SHDN
V
SS
CH7
CH6
CH5
CH4
CH3
CH2
CH1
CH0
MAX186
MAX188
____________________Pin Configuration
-40°C to +85°C
-55°C to +125°C
SPI and QSPI are registered trademarks of Motorola.
Microwire is a registered trademark of National Semiconductor.
19-0123; Rev. 4; 8/96
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
EVALUATION KIT
AVAILABLE
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX186BCAP+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 133ksps 5.25V 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 |
| MAX186BCAP+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 133ksps 5.25V 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 |
| MAX186BCAP-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 |
| MAX186BCPP | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) 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 |
| MAX186BCPP+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 133ksps 5.25V 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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