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GENERAL DESCRIPTION
The ML2281 family are 8-Bit successive approximation A/D Converters with Serial I/O and configurable input Multiplexers with up to 8 input channels.
All errors of the sample-and-hold, incorporated on the ML2281 family are accounted for in the analog-to-digital Converters accuracy specification.

FEATURES
■ Conversion time: 6µs
■ Total unadjusted error: ±1/2LSB or ±1LSB
■ Sample-and-hold: 375ns acquisition
■ 2, 4 or 8-input Multiplexer Options
■ 0 to 5V analog input range with single 5V power supply
■ Operates ratiometrically or with up to 5V voltage reference
■ No zero or full-scale adjust required
■ ML2281 capable of digitizing a 5V, 40kHz sine wave
■ Low power: 12.5mW MAX
■ Superior pin compatible replacement for ADC0831, ADC0832, ADC0834, and ADC0838
■ Analog input protection: 25mA (min) per input
■ Now in 8-Pin SOIC Package (ML2281, ML2282)

GENERAL DESCRIPTION
The ML2280 and ML2283 are 8-Bit successive approximation A/D Converters with Serial I/O and configurable input Multiplexers with up to 4 input channels.
All errors of the sample-and-hold incorporated on the ML2280 and ML2283 are accounted for in the analog-to-digital Converters accuracy specification.

FEATURES
■ Conversion time: 6µs
■ ML2280 capable of digitizing a 5V, 40kHz sine wave
■ Total unadjusted error with external reference: ±1/2LSB or ±1LSB
■ Sample-and-hold: 375ns acquisition
■ 0 to 5V analog input range with single 5V power supply
■ 2.5V reference provides 0 to 5V analog input range
■ No zero- or full-scale adjust required
■ Low power: 12.5mW MAX
■ Analog input protection: 25mA (min) per input
■ Differential analog voltage inputs (ML2280)
■ Programmable Multiplexer with differential or single ended analog inputs (ML2283)
■ 0.3" width 8- or 14-pin DIP, or 8-Pin SOIC (ML2280)
■ Superior pin-compatible replacement for ADC0833

DESCRIPTION
The LTC®1096L/LTC1098L are 3V micropower, 8-Bit successive approximation sampling A/D Converters. They typically draw only 40µA of supply current when converting and automatically power down to a typical supply current of 1nA between conversions. They are packaged in 8-pin SO packages and operate on a 3V supply. These 8- bit, switched capacitor, successive approximation ADCs include a sample-and-hold. The LTC1096L has a single differential analog input. The LTC1098L offers a software selectable 2-channel multiplexed input.

FEATURES
■ Specified at 2.65V Minimum Supply
■ Maximum Supply Current: 80µA
■ Auto Shutdown to 1nA
■ 8-Pin SO Package
■ On-Chip Sample-and-Hold
■ Conversion Time: 32µs
■ Sample Rates: 16.5ksps
■ I/O Compatible with SPI, MICROWIRETM, etc.

APPLICATIONS
■ Battery-Operated Systems
■ Remote Data Acquisition
■ Isolated Data Acquisition
■ Battery Monitoring
■ Temperature Measurement

GENERAL DESCRIPTION
The TC35080P is a high precision, high speed monolithic CMOS 10-bit Successive Approximation A/D Converter with separate Serial input and output.

DESCRIPTION
The LTC®1594L/LTC1598L are 3V micropower, 12-bit sampling A/D Converters that feature 4- and 8-channel Multiplexers, respectively. They typically draw only 160µA of supply current when converting and automatically power down to a typical supply current of 1nA between conversions. The LTC1594L is available in a 16-pin SO package and the LTC1598L is packaged in a 24-pin SSOP. Both operate on a 3V supply. The 12-bit, switched-capacitor, successive approximation ADCs include a sample-and-hold.

FEATURES
■ 12-Bit Resolution on 3V Supply
■ Low Supply Current: 160µA Typ
■ Auto Shutdown to 1nA
■ Guaranteed ±3/4LSB Max DNL
■ Guaranteed 2.7V Operation (5V Versions Available: LTC1594/LTC1598)
■ Multiplexer: 4-Channel MUX (LTC1594L) 8-Channel MUX (LTC1598L)
■ Separate MUX Output and ADC Input Pins
■ MUX and ADC May Be Controlled Separately
■ Sampling Rate: 10.5ksps
■ I/O Compatible with QSPI, SPI and MICROWIRETM, etc.
■ Small Package: 16-Pin Narrow SO (LTC1594L) 24-Pin SSOP (LTC1598L)

APPLICATIONS
■ Pen Screen Digitizing
■ Battery-Operated Systems
■ Remote Data Acquisition
■ Isolated Data Acquisition
■ Battery Monitoring
■ Temperature Measurement

DESCRIPTION
The 87C552 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The 87C552 has the same instruction set as the 80C51. Three versions of the derivative exist:
    • 83C552—8k bytes mask programmable ROM
    • 80C552—ROMless version of the 83C552
    • 87C552—8k bytes EPROM

FEATURES
• 80C51 central processing unit
• 8k × 8 EPROM expandable externally to 64k bytes
• An additional 16-bit timer/counter coupled to four capture registers and three compare registers
• Two standard 16-bit timer/counters
• 256 × 8 RAM, expandable externally to 64k bytes
• Capable of producing eight synchronized, timed outputs
• A 10-bit ADC with eight multiplexed analog inputs
• Two 8-Bit resolution, pulse width modulation outputs
• Five 8-Bit I/O ports plus one 8-Bit input port shared with analog inputs
• I2C-bus Serial I/O port with byte oriented master and slave functions
• Full-duplex UART compatible with the standard 80C51
• On-chip watchdog timer
• 16MHz speed
• Extended temperature ranges
• OTP package available

GENERAL DESCRIPTION
The ML2252 and ML2259 combine an 8-Bit A/D converter, 2- or 8-channel analog Multiplexer, and a
microprocessor compatible 8-Bit parallel interface and control logic in a single monolithic CMOS device.

FEATURES
■Conversion time (fCLK= 1.46MHz); 6.6µs
■Total unadjusted error; ±1/2LSB or ±1LSB
■No missing codes
■Sample and hold; 390ns acquisition
■Capable of digitizing a 5V, 50kHz sinewave
■2- or 8-channel input Multiplexer
■0V to 5V analog input range with single 5V power supply
■Operates ratiometrically or with up to 5V voltage reference
■No zero or full scale adjust required
■Analog input protection; 25mA per input min
■Continuous conversion mode
■Low power dissipation; 15mW max
■TTL and CMOS compatible digital inputs and outputs

DESCRIPTION
The P87C554 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The 87C554 has the same instruction set as the 80C51.

FEATURES
•80C51 central processing unit
•16k ×8 EPROM expandable externally to 64k bytes
•An additional 16-bit timer/counter coupled to four capture registers and three compare registers
•Two standard 16-bit timer/counters
•512 ×8 RAM, expandable externally to 64k bytes
•Capable of producing eight synchronized, timed outputs
•A 10-bit ADC with eight multiplexed analog inputs
•Fast 8-Bit ADC option
•Two 8-Bit resolution, pulse width modulation outputs
•Five 8-Bit I/O ports plus one 8-Bit input port shared with analog inputs
•I2C-bus Serial I/O port with byte oriented master and slave
functions
•On-chip watchdog timer
•Extended temperature ranges
•Full static operation – 0 to 16 MHz
•Operating voltage range: 2.7 V to 5.5 V (0 to 16 MHz) and 4.5 V to 5.5 V (16 to 33 MHz)
•Three security bits
•Encryption array – 64 bytes
•4 level priority interrupt
•15 interrupt sources
•Full-duplex enhanced UART
– Framing error detection
– Automatic address recognition
•Power control modes
– Clock can be stopped and resumed
– Idle mode
– Power down mode
•Second DPTR register
•ALE inhibit for EMI reduction
•Programmable I/O pins
•Wake-up from power-down by external interrupts
•Software reset
•Power-on detect reset
•ADC charge pump disable
•ONCE mode
•ADC active in Idle mode

DESCRIPTION
The 87C552 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The 87C552 has the same instruction set as the 80C51.
   
FEATURES
• 80C51 central processing unit
• 8k × 8 EPROM expandable externally to 64k bytes
• An additional 16-bit timer/counter coupled to four capture registers
    and three compare registers
• Two standard 16-bit timer/counters
• 256 × 8 RAM, expandable externally to 64k bytes
• Capable of producing eight synchronized, timed outputs
• A 10-bit ADC with eight multiplexed analog inputs
• Fast 8-Bit ADC option
• Two 8-Bit resolution, pulse width modulation outputs
• Five 8-Bit I/O ports plus one 8-Bit input port shared with analog
    inputs
• I2C-bus Serial I/O port with byte oriented master and slave
    functions
• On-chip watchdog timer
• Extended temperature ranges
• Full static operation – 0 to 16 MHz
• Operating voltage range: 2.7V to 5.5V (0 to 16MHz)
• Security bits:
    – OTP/EPROM – 3 bits
• Encryption array – 64 bytes
• 4 level priority interrupt
• 15 interrupt sources
• Full-duplex enhanced UART
    – Framing error detection
    – Automatic address recognition
• Power control modes
    – Clock can be stopped and resumed
    – Idle mode
    – Power down mode
• Second DPTR register
• ALE inhibit for EMI reduction
• Programmable I/O pins
• Wake-up from power-down by external interrupts
• Software reset
• Power-on detect reset
• ADC charge pump disable
• ONCE mode
• ADC active in Idle mode
   

Description
The M62320P/FP is a CMOS 8-Bit I/O expander, which has Serial to parallel and parallel to Serial data converting functions.
It can communicate with a microcontroller via few wiring thanks to the adoption of the two-line I2C BUS.
Parallel data I/O terminal can be set to input or output mode alternatively in individual bits.
Maximum 8 ICs can be connected to a bus by using three chip-select pins, so that it is possible to handle up to 64 bits data.

Features
• Simple two-line (SCL and SDA) communication with a microcontroller.
• 8-Bit data conversion between Serial and parallel by I2C BUS.
• Built-in power-on reset.

Application
   I/O port expansion for a microcontroller.
   Data conversion between Serial and parallel in microcontroller peripherals.