MAX1109EUB Maxim Integrated, MAX1109EUB Datasheet
MAX1109EUB
Specifications of MAX1109EUB
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MAX1109EUB Summary of contents
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... Input Voltage Range Internal Track/Hold o Internal Reference: +2.048V (MAX1108) o Reference Input Range SPI/QSPI/MICROWIRE-Compatible Serial Interface o V Monitoring Mode DD o Small 10-Pin µMAX Package PART MAX1108CUB Applications MAX1108EUB MAX1109CUB MAX1109EUB CS SCLK DIN 10 SCLK CH0 9 DOUT CH1 8 DIN COM 7 ...
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Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V DD CH0, CH1, COM, REF, DOUT to GND .......-0. DIN, SCLK GND ............................................-0.3V to +6V Continuous Power Dissipation (T = +70°C) ...
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ELECTRICAL CHARACTERISTICS—MAX1108 (continued +2.7V to +3.6V; unipolar input mode; COM = GND sion cycle (50ksps); 1µF capacitor at REF, external +2.048V reference at REF; T values are +25°C.) A PARAMETER SYMBOL TRACK/HOLD Conversion ...
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Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs ELECTRICAL CHARACTERISTICS—MAX1108 (continued +2.7V to +3.6V; unipolar input mode; COM = GND sion cycle (50ksps); 1µF capacitor at REF, external +2.048V reference at REF; T values are ...
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ELECTRICAL CHARACTERISTICS—MAX1109 (continued +4.5V to +5.5V; unipolar input mode; COM = GND cycle (50ksps); 1µF capacitor at REF, external +4.096V reference at REF; T are +25°C.) A PARAMETER SYMBOL DYNAMIC PERFORMANCE (10kHz sine-wave ...
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Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs ELECTRICAL CHARACTERISTICS—MAX1109 (continued +4.5V to +5.5V; unipolar input mode; COM = GND cycle (50ksps); 1µF capacitor at REF, external +4.096V reference at REF; T are +25°C.) A ...
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ELECTRICAL CHARACTERISTICS—MAX1109 (continued +4.5V to +5.5V; unipolar input mode; COM = GND cycle (50ksps); 1µF capacitor at REF, external +4.096V reference at REF; T are +25°C.) A PARAMETER SYMBOL CS to SCLK Rise ...
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Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs (V = +3.0V (MAX1108 +5.0V (MAX1109); external conversion mode REF +25°C; unless otherwise noted.) A OFFSET ERROR vs. SUPPLY VOLTAGE 0.5 0.4 0.3 0.2 0.1 0 -0.1 ...
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V = +5.0V (MAX1109); external conversion mode REF +25°C; unless otherwise noted.) A INTEGRAL NONLINEARITY vs. CODE 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0 100 ...
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Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs DOUT DOUT 3k C LOAD DGND a) High and High Figure 1. Load Circuits for Enable Time _______________Detailed Description The MAX1108/MAX1109 analog-to-digital converters ...
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C through R HOLD acquisition the T/H switch opens and C nected to COM, retaining charge on C ple of the signal at CH0, and the difference between CH0 and COM is the converted signal. Once conver- sion ...
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Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs The serial interface provides easy connection to micro- controllers with SPI, QSPI and MICROWIRE serial inter- faces at clock rates up to 2MHz. For SPI and QSPI, set CPOL = CPHA = 0 in ...
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Table 1. Control Byte Format BIT 7 BIT 6 (MSB) START SEL2 BIT NAME The first logic “1” bit after CS goes low defines the beginning of the control byte. 7 (MSB) START 6 SEL2 5 SEL1 Selects the mode ...
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Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs initiated. The MSB successive-approximation bit deci- sion is made on the rising edge of the seventh SCLK. On the falling edge of the eighth SCLK, the MSB is clocked out on the DOUT pin; ...
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CS does not need to be held low once a conversion is started. Pulling CS high prevents data from being clocked into the MAX1108/MAX1109 and three-states DOUT, but it does not adversely affect an internal clock-mode conversion already in progress. ...
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Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs to the SCLK pin; varying the analog input alters the result of conversion that is clocked out at the DOUT pin. A total of 10 clock cycles is required per conversion. The falling edge ...
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In external clock mode toggled before the cur- rent conversion is complete, the current conversion is terminated, and the next high bit clocked into DIN is recognized as a new start bit. This can be useful in ...
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Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs To use an external reference, set bit 2 (I/EREF) and bit 1 (REFSHDN) of control byte to 0 and connect the external reference (V between 1V and V REF at the REF pin. The ...
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SYSTEM POWER SUPPLIES GND 0.1 F GND COM V DD MAX1108 MAX1109 Figure 13. Power-Supply Connections ______________________________________________________________________________________ Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs TRANSISTOR COUNT: 2373 +3V/+5V DGND V DD DIGITAL CIRCUITRY Chip Information 19 ...
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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. 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2003 Maxim Integrated Products ...