MAX1156/MAX1158/MAX1174 19-2736 Rev 0 1/03 14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range General Description Features The MAX1156/MAX1158/MAX1174 14-bit, low-power, Byte-Wide Parallel Interface successive-approximation analog-to-digital converters Analog Input Voltage Range: 10V, 5V, 0 to 10V (ADCs) feature automatic power-down, a factory- trimmed internal clock, and a byte-wide parallel inter- Single +4.75V to +5.25V Analog Supply Voltage face. The devices operate from a single +4.75V to Interface with +2.7V to +5.25V Digital Logic +5.25V analog supply and feature a separate digital supply input for direct interface with +2.7V to +5.25V 1LSB INL (max) digital logic. 1LSB DNL (max) The MAX1156 accepts a 0 to +10V analog input volt- age range. The MAX1158 accepts a 10V bipolar ana- Low Supply Current (max) log input voltage range, while the MAX1174 accepts a 2.9mA (External Reference) 5V bipolar analog input voltage range. All devices 3.8mA (Internal Reference) consume no more than 26.5mW at a sampling rate of 5A AutoShutdown Mode 135ksps when using an external reference, and 31mW Small Footprint when using the internal +4.096V reference. AutoShutdown reduces supply current to 0.4mA (typ) 20-Pin TSSOP Package at 10ksps. The MAX1156/MAX1158/MAX1174 are ideal for high- Ordering Information performance, battery-powered, data-acquisition appli- cations. Excellent AC performance (THD = -100dB) and INPUT PIN- DC accuracy (1LSB INL) make the MAX1156/ PART TEMP RANGE VOLTAGE PACKAGE MAX1158/MAX1174 ideal for industrial process control, RANGE instrumentation, and medical applications. MAX1156ACUP 0C to +70C 20 TSSOP 0 to +10V The MAX1156/MAX1158/MAX1174 are available in a MAX1156BCUP 0C to +70C 20 TSSOP 0 to +10V 20-pin TSSOP package and are fully specified over the MAX1156AEUP -40C to +85C 20 TSSOP 0 to +10V -40C to +85C extended temperature range and the 0C to +70C commercial temperature range. MAX1156BEUP -40C to +85C 20 TSSOP 0 to +10V Ordering Information continued at end of data sheet. Applications Typical Operating Circuit Temperature Sensing and Monitoring +5V ANALOG +5V DIGITAL Industrial Process Control I/O Modules 0.1 F 0.1 F Data-Acquisition Systems AV DV DD DD P DATA Precision Instrumentation BUS D0D7 ANALOG INPUT AIN OR D8D13 MAX1156 EOC MAX1158 MAX1174 R/C REF CS REFADJ HBEN HIGH 0.1 F 10 F AGND DGND BYTE Pin Configuration appears at end of data sheet. LOW BYTE AutoShutdown is a trademark of Maxim Integrated Products, Inc. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range ABSOLUTE MAXIMUM RATINGS AV to AGND .........................................................-0.3V to +6V Continuous Power Dissipation (T = +70C) DD A DV to DGND.........................................................-0.3V to +6V 20-Pin TSSOP (derate 10.9mW/C above +70C) .......879mW DD AGND to DGND.....................................................-0.3V to +0.3V Operating Temperature Range AIN to AGND .....................................................-16.5V to +16.5V MAX11 CUP..................................................0C to +70C REF, REFADJ to AGND............................-0.3V to (AV + 0.3V) MAX11 EUP...............................................-40C to +85C DD CS, R/C, HBEN to DGND .........................................-0.3V to +6V Storage Temperature Range .............................-65C to +150C D , EOC to DGND ...................................-0.3V to (DV + 0.3V) Junction Temperature......................................................+150C DD Maximum Continuous Current into any Pin.........................50mA Lead Temperature (soldering, 10s) .................................+300C 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 (AV = DV = +5V 5%, external reference = +4.096V, C = 10F, C = 0.1F, V = AV , T = T to T , DD DD REF REFADJ REFADJ DD A MIN MAX unless otherwise noted. Typical values are at T = +25C.) A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DC ACCURACY Resolution RES 14 Bits Differential Nonlinearity DNL No missing codes over temperature -1 +1 LSB MAX11 A -1 +1 Integral Nonlinearity INL LSB MAX11 B -2 +2 RMS noise, external reference 0.32 Transition Noise LSB RMS Internal reference 0.34 Offset Error -10 0 +10 mV Gain Error 0 0.2 %FSR Offset Drift 16 V/C Gain Drift 1 ppm/C AC ACCURACY (f = 1kHz, V = full range, 135ksps) IN AIN Signal-to-Noise Plus Distortion SINAD 81 85 dB Signal-to-Noise Ratio SNR 82 85 dB Total Harmonic Distortion THD -100 -86 dB Spurious-Free Dynamic Range SFDR 87 103 dB ANALOG INPUT MAX1156 0 +10 Input Range V MAX1158 -10 +10 V AIN MAX1174 -5 +5 MAX1156/MAX1174 Normal operation 5.3 6.9 9.2 MAX1156 Shutdown mode 5.3 MAX1174 Shutdown mode 3.0 Input Resistance R k AIN Normal operation 7.8 10 13.0 MAX1158 Shutdown mode 6.0 2 MAX1156/MAX1158/MAX1174