MAX188ACPP Maxim Integrated, MAX188ACPP Datasheet
MAX188ACPP
Specifications of MAX188ACPP
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MAX188ACPP Summary of contents
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... Robotics Battery-Powered Instruments Medical Instruments SPI and QSPI are registered trademarks of Motorola. Microwire is a registered trademark of National Semiconductor. ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 Low-Power, 8-Channel, Serial 12-Bit ADCs ____________________________Features 8-Channel Single-Ended or 4-Channel Differential Inputs Single +5V or ± ...
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Low-Power, 8-Channel, Serial 12-Bit ADCs ABSOLUTE MAXIMUM RATINGS V to AGND............................................................-0. AGND ............................................................+0. ..............................................................-0.3V to +12V DD SS AGND to DGND.....................................................-0.3V to +0.3V CH0–CH7 to AGND, DGND .............(V SS ...
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ELECTRICAL CHARACTERISTICS (continued ±5 -5V CLK 4.7µF capacitor at VREF pin; MAX188—external reference, VREF = 4.096V applied to VREF pin; T noted.) PARAMETER SYMBOL Small-Signal Bandwidth Full-Power Bandwidth CONVERSION RATE ...
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Low-Power, 8-Channel, Serial 12-Bit ADCs ELECTRICAL CHARACTERISTICS (continued ±5 -5V 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps); MAX186— CLK 4.7µF capacitor at VREF pin; MAX188—external reference, ...
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ELECTRICAL CHARACTERISTICS (continued ±5 -5V CLK 4.7µF capacitor at VREF pin; MAX188—external reference, VREF = 4.096V applied to VREF pin; T noted.) PARAMETER SYMBOL Positive Supply Rejection (Note 8) Negative ...
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Low-Power, 8-Channel, Serial 12-Bit ADCs __________________________________________Typical Operating Characteristics POWER-SUPPLY REJECTION vs. TEMPERATURE 0. +5V ± -5V SS 0.20 0.15 0.10 0.05 0.00 -0.05 -60 -40 - 100 ...
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Description (continued) PIN NAME Input to the Reference-Buffer Amplifier. To disable the reference-buffer amplifier, tie REFADJ to 12 REFADJ AGND Analog Ground. Also IN- Input for single-ended conversions. 14 DGND Digital Ground Serial Data Output. ...
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Low-Power, 8-Channel, Serial 12-Bit ADCs _______________Detailed Description The MAX186/MAX188 use a successive-approximation conversion technique and input track/hold (T/H) circuit convert an analog signal to a 12-bit digital output. A flexible serial interface provides easy interface to microprocessors. No ...
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MAX186 0V TO MAX188 4.096V CH7 ANALOG 0.01µF INPUT +5V D1 1N4148 REFADJ VREF C2 C1 0.01µF 4.7µF +2.5V +2.5V REFERENCE * FULL-SCALE ANALOG INPUT, CONVERSION RESULT = $FFF (HEX) **REQUIRED FOR MAX188 ONLY. A POTENTIOMETER MAY BE USED IN ...
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Low-Power, 8-Channel, Serial 12-Bit ADCs single-ended unipolar conversions on CH7 in external clock mode without powering down between conver- sions. In external clock mode, the SSTRB output pulses high for one clock period before the most significant bit of the ...
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Table 3. Channel Selection in Single-Ended Mode (SGL/ SEL2 SEL1 SEL0 CH0 Table 4. Channel ...
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Low-Power, 8-Channel, Serial 12-Bit ADCs CS t ACQ SCLK 1 4 START SEL2 SEL1 SEL0 UNI/ SCL/ DIN DIFF PD1 PD0 BIP SSTRB RB1 DOUT ACQUISITION IDLE A/D STATE 1.5µs (CLK = 2MHz) Figure 6. 24-Bit External Clock Mode Conversion ...
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CS t SDV SSTRB SCLK Figure 8. External Clock Mode SSTRB Detailed Timing CS SCLK START SEL2 SEL1 SEL0 UNI/ DIN DIP SSTRB DOUT IDLE A/D STATE Figure 9. Internal Clock Mode Timing In internal clock ...
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Low-Power, 8-Channel, Serial 12-Bit ADCs CS t CSH SSTRB SCLK PD0 CLOCK IN Figure 10. Internal Clock Mode SSTRB Detailed Timing The falling edge of CS does not start a conversion on the MAX186/MAX188. The first logic high clocked into ...
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CS 1 SCLK DIN S CONTROL BYTE 0 DOUT SSTRB Figure 11a. External Clock Mode, 15 Clocks/Conversion Timing CS SCLK S CONTROL BYTE 0 DIN DOUT Figure 11b. External Clock Mode, 16 Clocks/Conversion Timing Choosing Power-Down Mode You can save ...
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Low-Power, 8-Channel, Serial 12-Bit ADCs CLOCK INTERNAL MODE SHDN SETS EXTERNAL CLOCK MODE DIN DOUT DATA VALID (12 DATA BITS) POWERED UP MODE Figure 12a. Timing Diagram Power-Down Modes, External Clock Table ...
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CLOCK MODE SETS INTERNAL CLOCK MODE DIN DOUT SSTRB CONVERSION MODE Figure 12b. Timing Diagram Power-Down Modes, Internal Clock Hardware Power-Down The SHDN pin places the converter into the full power-down mode. ...
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Low-Power, 8-Channel, Serial 12-Bit ADCs MAX186 FULL POWER-DOWN 1000 2ms FASTPD WAIT 400kHz EXTERNAL CLOCK INTERNAL COMPENSATION 100 100 150 200 250 300 350 CONVERSIONS PER CHANNEL PER SECOND Figure 14a. MAX186 Supply Current vs. Sample ...
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OUTPUT CODE FULL-SCALE TRANSITION 111 110 101 011 010 001 000 0 ...
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Low-Power, 8-Channel, Serial 12-Bit ADCs SUPPLIES +5V - AGND V DGND DD SS MAX186/MAX188 * OPTIONAL Figure 18. Power-Supply Grounding Connection 1 CH0 2 CH1 3 CH2 ANALOG 4 CH3 MAX186 INPUTS 5 CH4 6 CH5 ...
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... This is a shell program for using a stand-alone 68HC16 without any external memory. The internal 1K RAM * is put into bank $0F to maintain 68HC11 code compatibility. This program was written with software * provided in the Motorola 68HC16 Evaluation Kit Roger J.A. Chen, Applications Engineer * MAXIM Integrated Products * November 20, 1992 * ****************************************************************************************************************************************************** INCLUDE ‘EQUATES.ASM’ ;Equates for common reg addrs INCLUDE ‘ ...
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Low-Power, 8-Channel, Serial 12-Bit ADCs ;set delay between transfers LDD #$0800 STD SPCR2 ;set ENDQP to $8 for 9 transfers ***** Initialize QSPI Command RAM ***** LDAA #$80 ;CONT=1,BITSE=0,DT=0,DSCK=0,PCS0=ACTIVE STAA $FD40 ;store first byte in COMMAND RAM LDAA #$C0 ;CONT=1,BITSE=1,DT=0,DSCK=0,PCS0=ACTIVE ...
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Figure 21. QSPI Assembly-Code Timing TMS320C3x to MAX186 Interface Figure 22 shows an application circuit to interface the MAX186/MAX188 to the TMS320 in external clock mode. The timing diagram for this interface circuit is shown in Figure 23. Use the ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 24 ____________________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 1996 Maxim Integrated Products ...