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參數(shù)資料
| 型號(hào)： | MAX197BCWI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 模擬信號(hào)調(diào)理 |
| 英文描述： | ECONOLINE: RJ & RG - Dual Output from a Single Input Rail - 3kVDC & 4kVDC Isolation - Optional Continuous Short Circuit Protected - Custom Solutions Available - UL94V-0 Package Material - Efficiency to 84% |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 封裝： | 0.300 INCH, SOIC-16 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大小： | 165K |
| 代理商： | MAX197BCWI |
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_______________General Desc ription
The MAX197 multi-range, 12-bit data-acquisition sys-
tem (DAS) requires only a single +5V supply for opera-
tion, yet accepts signals at its analog inputs that may
span both above the power-supply rail and below
ground. This system provides 8 analog input channels
that are independently software programmable for a
variety of ranges: ±10V, ±5V, 0V to +10V, or 0V to +5V.
This increases effective dynamic range to 14 bits, and
provides the user flexibility to interface 4mA-to-20mA,
±12V, and ±15V powered sensors to a single +5V sys-
tem. In addition, the converter is overvoltage tolerant to
±16.5V; a fault condition on any channel will
not
affect
the conversion result of the selected channel. Other
features include a 5MHz bandwidth track/hold, a
100ksps throughput rate, software-selectable internal or
external clock and acquisition, 8+4 parallel interface,
and an internal 4.096V or an external reference.
A hardware SHDN pin and two programmable power-
down modes (STBYPD, FULLPD) are provided for low-
current shutdown between conversions. In STBYPD
mode, the reference buffer remains active, eliminating
start-up delays.
The MAX197 employs a standard microprocessor (μP)
interface. A three-state data I/O port is configured to
operate with 8-bit data buses, and data-access and
bus-release timing specifications are compatible with
most popular μPs. All logic inputs and outputs are
TTL/CMOS compatible.
The MAX197 is available in 28-pin DIP, wide SO, SSOP,
and ceramic SB packages.
For a different combination of ranges (±4V, ±2V, 0V to
4V, 0V to 2V), see the MAX199 data sheet. For 12-bit bus
interface, see the MAX196 and MAX198 data sheets.
________________________Applic ations
Industrial-Control Systems
Robotics
Data-Acquisition Systems
Automatic Testing Systems
Medical Instruments
Telecommunications
____________________________Features
o
12-Bit Resolution, 1/2LSB Linearity
o
Single +5V Operation
o
Software-Selectable Input Ranges:
±10V, ±5V, 0V to 10V, 0V to 5V
o
Fault-Protected Input Multiplexer (±16.5V)
o
8 Analog Input Channels
o
6μs Conversion Time, 100ksps Sampling Rate
o
Internal or External Acquisition Control
o
Internal 4.096V or External Reference
o
Two Power-Down Modes
o
Internal or External Clock
M
Multi-Range (±10V, ±5V, +10V, +5V ),
S ingle +5V, 12-Bit DAS with 8+4 Bus Interfac e
________________________________________________________________ Maxim Integrated Products
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DGND
V
DD
REF
REFADJ
INT
CH7
AGND
CH6
CH5
CH4
CH3
CH2
CH1
CH0
D0/D8
D1/D9
D2/D10
D3/D11
D4
D5
D6
D7
SHDN
HBEN
RD
WR
CS
CLK
DIP/SO/SSOP/Ceramic SB
TOP VIEW
MAX197
__________________Pin Configuration
19-0381; Rev 1; 6/96
EVALUATION KIT
MANUAL AVAILABLE
PART
MAX197ACNI
MAX197BCNI
MAX197ACWI
MAX197BCWI
MAX197ACAI
MAX197BCAI
MAX197BC/D
Ordering Information continued at end of data sheet.
*Dice are specified at T
A
= +25°C, DC parameters only.
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
28 Narrow Plastic DIP
28 Narrow Plastic DIP
28 Wide SO
28 Wide SO
28 SSOP
28 SSOP
Dice*
______________Ordering Information
Functional Diagram appears at end of data sheet.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX197AENI | Multi-Range (【10V, 【5V, +10V, +5V), Single +5V, 12-Bit DAS with 8+4 Bus Interface |
| MAX197AEWI | Multi-Range (【10V, 【5V, +10V, +5V), Single +5V, 12-Bit DAS with 8+4 Bus Interface |
| MAX197BCNI | Multi-Range (【10V, 【5V, +10V, +5V), Single +5V, 12-Bit DAS with 8+4 Bus Interface |
| MAX197BENI | Multi-Range (【10V, 【5V, +10V, +5V), Single +5V, 12-Bit DAS with 8+4 Bus Interface |
| MAX197BEWI | Multi-Range (【10V, 【5V, +10V, +5V), Single +5V, 12-Bit DAS with 8+4 Bus Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX197BCWI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 100ksps 4.18V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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 |
| MAX197BCWI+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 100ksps 4.18V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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 |
| MAX197BCWI-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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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 |
| MAX197BEAI | 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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 |
| MAX197BEAI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 100ksps 4.18V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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