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MAX118 Dataheets PDF



Part Number MAX118
Manufacturers Maxim
Logo Maxim
Description +5V / 1Msps / 4 & 8-Channel / 8-Bit ADCs
Datasheet MAX118 DatasheetMAX118 Datasheet (PDF)

19-1083; Rev 1; 8/96 +5V, 1Msps, 4 & 8-Channel, 8-Bit ADCs with 1µA Power-Down _______________General Description The MAX114/MAX118 are microprocessor-compatible, 8-bit, 4-channel and 8-channel analog-to-digital converters (ADCs). They operate from a single +5V supply and use a half-flash technique to achieve a 660ns conversion time (1Msps). A power-down ( PWRDN ) pin reduces current consumption typically to 1µA. The devices return from power-down mode to normal operating mode in less than 200n.

  MAX118   MAX118


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19-1083; Rev 1; 8/96 +5V, 1Msps, 4 & 8-Channel, 8-Bit ADCs with 1µA Power-Down _______________General Description The MAX114/MAX118 are microprocessor-compatible, 8-bit, 4-channel and 8-channel analog-to-digital converters (ADCs). They operate from a single +5V supply and use a half-flash technique to achieve a 660ns conversion time (1Msps). A power-down ( PWRDN ) pin reduces current consumption typically to 1µA. The devices return from power-down mode to normal operating mode in less than 200ns, allowing large supplycurrent reductions in burst-mode applications (in burst mode, the ADC wakes up from a low-power state at specified intervals to sample the analog input signals). Both converters include a track/hold, enabling the ADC to digitize fast analog signals. Microprocessor (µP) interfaces are simplified because the ADC can appear as a memory location or I/O port without external interface logic. The data outputs use latched, three-state buffer circuitry for direct connection to an 8-bit parallel µP data bus or system input port. The MAX114/MAX118 input/reference configuration enables ratiometric operation. The 4-channel MAX114 is available in a 24-pin DIP or SSOP. The 8-channel MAX118 is available in a 28-pin DIP or SSOP. For +3V applications, refer to the MAX113/MAX117 data sheet. ____________________________Features o Single +5V Supply Operation o 4 (MAX114) or 8 (MAX118) Analog Input Channels o Low Power: 40mW (operating mode) 5µW (power-down mode) o Total Unadjusted Error ≤1LSB o Fast Conversion Time: 660ns per Channel o No External Clock Required o Internal Track/Hold o 1MHz Full-Power Bandwidth o Internally Connected 8th Channel Monitors Reference Voltage (MAX118) MAX114/MAX118 ______________Ordering Information PART MAX114CNG MAX114CAG MAX114C/D MAX114ENG MAX114EAG MAX114MRG TEMP. RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C -55°C to +125°C PIN-PACKAGE 24 Narrow Plastic DIP 24 SSOP Dice* 24 Narrow Plastic DIP 24 SSOP 24 Narrow CERDIP** ________________________Applications High-Speed DSP Portable Equipment Remote Data Acquisition Communications Systems Ordering Information continued on last page. *Dice are specified at TA = +25°C, DC parameters only. **Contact factory for availability. Pin Configurations appear on last page. _________________________________________________________Functional Diagram REF+ D7 D6 D5 D4 *IN8 *IN7 *IN6 *IN5 IN4 IN3 IN2 IN1 MUX 4-BIT FLASH ADC (4MSBs) Σ REF+ 16 4-BIT DAC THREESTATE OUTPUT DRIVERS D3 D2 D1 D0 4-BIT FLASH ADC (4LSBs) TIMING AND CONTROL ADDRESS LATCH DECODE MAX114/MAX118 A0 * MAX118 ONLY A1 A2 REFRD CS PWRDN MODE WR/RDY INT ________________________________________________________________ Maxim Integrated Products 1 For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 +5V, 1Msps, 4 & 8-Channel, 8-Bit ADCs with 1µA Power-Down MAX114/MAX118 ABSOLUTE MAXIMUM RATINGS VDD to GND ..............................................................-0.3V to +7V Digital Input Voltage to GND ......................-0.3V to (VDD + 0.3V) Digital Output Voltage to GND ...................-0.3V to (VDD + 0.3V) REF+ to GND..............................................-0.3V to (VDD + 0.3V) REF- to GND...............................................-0.3V to (VDD + 0.3V) IN_ to GND .................................................-0.3V to (VDD + 0.3V) Continuous Power Dissipation (TA = +70°C) 24-Pin Narrow Plastic DIP (derate 13.33mW/°C above +70°C)....................................1.08W 24-Pin SSOP (derate 8.00mW/°C above +70°C)..............640mW 24-Pin Narrow CERDIP (derate 12.50mW/°C above +70°C).........................................1W 28-Pin Wide Plastic DIP (derate 14.29mW/°C above +70°C)....................................1.14W 28-Pin SSOP (derate 9.52mW/°C above +70°C)..............762mW 28-Pin Wide CERDIP (derate 16.67mW/°C above +70°C)....................................1.33W Operating Temperature Ranges MAX114/MAX118C_ _...........................................0°C to +70°C MAX114/MAX118E_ _ ........................................-40°C to +85°C MAX114/MAX118M_ _ .....................................-55°C to +125°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10sec) .............................+300°C Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (VDD = +5V ±5%, REF+ = 5V, REF- = GND, Read Mode (MODE = GND), TA = TMIN to TMAX, unless otherwise noted.) PARAMETER ACCURACY (Note 1) Resolution Total Unadjusted Error Differential Nonlinearity Zero-Code Error Ful.


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