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| 型号： | MAX188ACAP+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/25页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT SERIAL 20-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 66 |
| 类型： | 数据采集系统（DAS） |
| 分辨率（位）： | 12 b |
| 采样率（每秒）： | 133k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 电压电源： | 双 ± |
| 电源电压： | ±5V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 包装： | 管件 |
MAX186/MAX188
Low-Power, 8-Channel,
Serial 12-Bit ADCs
For pricing, delivery, and ordering information, please contact Maxim Direct at
1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
EVALUATION KIT AVAILABLE
General Description
The MAX186/MAX188 are 12-bit data-acquisition sys-
tems that combine an 8-channel multiplexer, high-
bandwidth track/hold, and serial interface together with
high conversion speed and ultra-low power consump-
tion. The devices operate with a single +5V supply or
dual ±5V supplies. The analog inputs are software con-
figurable for unipolar/bipolar and single-ended/differen-
tial 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 conversions. 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 con-
version. Using this technique of powering down
between conversions, supply current can be cut to
under 10A at reduced sampling rates.
The MAX186/MAX188 are available in 20-pin PDIP and
SO packages, and in a shrink small-outline package
(SSOP), that occupies 30% less area than an 8-pin
PDIP. For applications that call for a parallel interface,
see the MAX180/MAX181 data sheet. For anti-aliasing
filters, consult the MAX274/MAX275 data sheet.
________________________Applications
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)
2A (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 PDIP, SO, SSOP Packages
o Evaluation Kit Available
Ordering Information
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
TOP VIEW
PDIP/SO/SSOP
VDD
SCLK
CS
DIN
SSTRB
DOUT
DGND
AGND
REFADJ
VREF
SHDN
VSS
CH7
CH6
CH5
CH4
CH3
CH2
CH1
CH0
MAX186
MAX188
+
____________________Pin Configuration
QSPI is a trademark of Motorola.
MICROWIRE is a registered trademark of National
Semiconductor.
19-0123; Rev 5; 1/12
Ordering Information continued on last page.
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.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
PART
TEMP RANGE
PIN-PACKAGE
MAX186_CPP+
0°C to +70°C
20 PDIP
MAX186_CWP+
0°C to +70°C
20 SO
MAX186_CAP+
0°C to +70°C
20 SSOP
MAX186DC/D
0°C to +70°C
Dice*
MAX186_EPP+
-40°C to +85°C
20 PDIP
MAX186_EWP+
-40°C to +85°C
20 SO
MAX186_EAP+
-40°C to +85°C
20 SSOP
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX188ACAP+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5.25V 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 |
| MAX188ACAP+T | 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5.25V 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 |
| MAX188ACAP-T | 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 |
| MAX188ACPP | 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 |
| MAX188ACPP+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5.25V 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 |
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