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| 型號(hào)： | MAX194 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 14-Bit, 85ksps ADC with 10礎(chǔ) Shutdown(85ksps,單通道,14位串行A/D轉(zhuǎn)換器) |
| 中文描述： | 14位、85ksps ADC，帶有10µ關(guān)斷 |
| 文件頁(yè)數(shù)： | 1/24頁(yè) |
| 文件大?。?/td> | 267K |
| 代理商： | MAX194 |
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For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
_______________General Desc ription
The MAX194 is a 14-bit successive-approximation ana-
log-to-digital converter (ADC) that combines high
speed, high accuracy, low power consumption, and a
10μA shutdown mode. Internal calibration circuitry cor-
rects linearity and offset errors to maintain the full rated
performance over the operating temperature range
without external adjustments. The capacitive-DAC
architecture provides an inherent 85ksps track/hold
function.
The MAX194, with an external reference (up to +5V),
offers a unipolar (0V to V
REF
) or bipolar (-V
REF
to V
REF
)
pin-selectable input range. Separate analog and digital
supplies minimize digital-noise coupling.
The chip select (CS) input controls the three-state seri-
al-data output. The output can be read either during
conversion as the bits are determined, or following con-
version at up to 5Mbps using the serial clock (SCLK).
The end-of-conversion (EOC) output can be used to
interrupt a processor, or can be connected directly to
the convert input (CONV) for continuous, full-speed
conversions.
The MAX194 is available in 16-pin DIP, wide SO, and
ceramic sidebraze packages. The output data format
provides pin-for-pin and functional compatibility with
the 16-bit MAX195 ADC.
________________________Applic ations
Portable Instruments
Industrial Controls
Multiple Transducer Measurements
Medical Signal Acquisition
Vibrations Analysis
Digital Signal Processing
Audio
Robotics
____________________________Features
o
True 14-Bit Accuracy:
1
2
LSB INL
82dB SINAD
o
9.4μs Conversion Time
o
10μA Shutdown Mode
o
Built-In Track/Hold
o
AC and DC Specified
o
Unipolar (0V to V
REF
) and Bipolar (-V
REF
to V
REF
)
Input Range
o
Three-State Serial-Data Output
o
Small 16-Pin DIP and SO Packages
o
Pin-Compatible 16-Bit Upgrade (MAX195)
______________Ordering Information
M
14-Bit, 85ksps ADC with 10μA S hutdown
________________________________________________________________ Maxim Integrated Products
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
VDDA
VSSA
AGND
AIN
VDDD
SCLK
CLK
BP/UP/SHDN
TOP VIEW
MAX194
REF
VSSD
RESET
CONV
CS
EOC
DGND
DOUT
DIP/Wide SO/Ceramic SB
MAX194
AIN
REF
CONV
SCLK
CLK
BP/UP/SHDN
CS
RESET
VSSD
VDDA
AGND
VSSA
DGND
VDDD
DOUT
EOC
SAR
CONTROL LOGIC
COMPARATOR
CALIBRATION
DACs
THREE-STATE BUFFER
4
6
11
16
14
15
5
7
10
8
1
9
3
2
13
12
MAIN DAC
Σ
________________Func tional Diagram
__________________Pin Configuration
19-0345; Rev 3; 1/96
PART
MAX194ACPE
MAX194BCPE
MAX194ACWE
MAX194BCWE
MAX194AEPE
MAX194BEPE
MAX194AEWE
MAX194BEWE
MAX194AMDE
MAX194BMDE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
16 Plastic DIP
16 Plastic DIP
16 Wide SO
16 Wide SO
16 Plastic DIP
16 Plastic DIP
16 Wide SO
16 Wide SO
16 Ceramic SB
16 Ceramic SB
EVALUATION KIT
AVAILABLE
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