EVALUATION KIT AVAILABLE MAX11262 14-Bit, 500ksps, +5V Unipolar Input, SAR ADC in Tiny 10-Pin MAX General Description Benefits and Features The MAX11262 is a 14-bit, 500ksps, +5V unipolar pseu- High DC/AC Accuracy Improves Measurement do-differential input SAR ADC offering excellent AC and Quality DC performance in a small standard package. 14-Bit Resolution with No Missing Codes This ADC typically achieves 85.4dB SNR, -102dB THD, 500ksps Throughput Rates Without Pipeline Delay/ and 0.2 LSB INL (typ), 0.12 LSB DNL (typ). The Latency MAX11262 guarantees 14-bit no-missing codes. 85.4dB SNR and -102dB THD at 10kHz 0.1 LSB Transition Noise RMS The MAX11262 communicates using an SPI-compatible 0.12 LSB DNL (typ) and 0.2 LSB INL (typ) serial interface at 2.3V, 3V, 3.3V, or 5V logic. Wide Supply Range and Low Power Simplify Power- The serial interface can be used to daisy-chain multiple Supply Design ADCs for multichannel applications and provides a busy 5V Analog Supply indicator option for simplified system synchronization and 2.3V to 5V Digital Supply timing. 23.5mW Power Consumption at 500ksps The MAX11262 is offered in a 10-pin, 3mm x 5mm, 10A in Shutdown Mode MAX package and is specified over the -40C to +85C Multi-Industry Standard Serial Interface and Small temperature range. Package Reduces Size SPI/QSPI/MICROWIRE /DSP-Compatible Serial Applications Interface Industrial Process Control 3mm x 5mm, Tiny 10-Pin MAX Package Medical Instrumentation Test and Measurements Automatic Test Equipment Narrowband Receivers MAX is registered trademark of Maxim Integrated Products, Inc. QSPI is a trademark of Motorola, Inc. MICROWIRE is a registered trademark of National Semiconductor Corporation. Selector Guide and Ordering Information appear at end of data sheet. Typical Operating Circuit 14-Bit to 18-Bit SAR ADC Family 14-BIT 16-BIT 16-BIT 18-BIT 500ksps 250ksps 500ksps 500ksps V V DD OVDD (5V) (2.3V TO 5V) 5V Input 1F 1F MAX11167 MAX11166 MAX11156 Internal MAX11169 MAX11168 MAX11158 Reference 10 SCLK AIN+ 0 to 5V MAX9632 SDI 0 TO +5V Input MAX11161 MAX11160 MAX11150 14-BIT ADC 4.7nF, C0G HOST INTERFACE AND CONTROL Ceramic AIN- SDO CONTROLLER Internal MAX11165 MAX11164 MAX11154 CNVST Reference 0 to 5V REF REF MAX11262 Input 10F MAX11262 MAX11163 MAX11162 MAX11152 GND External Reference 19-7061 Rev 2 9/16MAX11262 14-Bit, 500ksps, +5V Unipolar Input, SAR ADC in Tiny 10-Pin MAX Absolute Maximum Ratings V to GND ............................................................-0.3V to +6V Continuous Power Dissipation (T = +70NC) DD A OVDD to GND ....... -0.3V to the lower of (V + 0.3V) and +6V MAX (derate 8.8mW/C above +70C) .....................707mW DD AIN+, AIN-, REF Operating Temperature Range ........................... -40NC to +85NC to GND ............... -0.3V to the lower of (V + 0.3V) and +6V Junction Temperature ......................................................+150NC DD SCLK, SDI, SDO, CNVST Storage Temperature Range ............................ -65NC to +150NC to GND ...........-0.3V to the lower of (V + 0.3V) and +6V Lead Temperature (soldering, 10s) .................................+300NC OVDD Maximum Current into Any Pin...........................................50mA Soldering Temperature (reflow) .......................................+260NC 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. Package Thermal Characteristics (Note 1) MAX Junction-to-Ambient Thermal Resistance ( ) .........113C/W JA Junction-to-Case Thermal Resistance (( ) ..............36C/W JC Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. Electrical Characteristics (V = 4.75V to 5.25V, V = 2.3V to 5.25V, f = 500ksps, V = 5V T = T to T , unless otherwise noted. Typical DD OVDD SAMPLE REF A MIN MAX values are at T = +25NC.) (Note 2) A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS ANALOG INPUT (Note 3) Input Voltage Range AIN+ to AIN- 0 VREF V VREF + AIN+ to GND - 0.1 0.1 Absolute Input Voltage Range V AIN- to GND -0.1 +0.1 Input Leakage Current Acquisition phase -10 +0.001 +10 A Input Capacitance 40 pF Input-Clamp Protection Current Both inputs -20 +20 mA STATIC PERFORMANCE (Note 4) Resolution N 14 Bits No Missing Codes 14 Bits Offset Error -1.5 0.15 +1.5 LSB Offset Error Temperature Coefficient 0.0017 LSB/C Gain Error -2 0.22 +2 LSB Gain Error Temperature Coefficient 0.0013 LSB/C Integral Nonlinearity INL -0.5 0.2 +0.5 LSB Differential Nonlinearity DNL -0.3 0.12 +0.3 LSB Positive Full-Scale Error -3 +3 LSB Analog Input CMR CMR Referred to the output -1.4 LSB/V Power-Supply Rejection (Note 5) PSR PSR vs. VDD, referred to the output -1.2 LSB/V Transition Noise 0.1 LSBRMS Maxim Integrated 2 www.maximintegrated.com