MAX108CHC-D
MAX108CHC-D Datasheet
MAX108
| Part | Datasheet |
|---|---|
MAX108CHC-D |
MAX108CHC-D (pdf) |
| PDF Datasheet Preview |
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| ±5V, 1.5Gsps, 8-Bit ADC with On-Chip 2.2GHz Track/Hold Amplifier MAX108 The MAX108 PECL-compatible, 1.5Gsps, 8-bit analogto-digital converter ADC allows accurate digitizing of analog signals with bandwidths to 2.2GHz. Fabricated on Maxim’s proprietary advanced GST-2 bipolar process, the MAX108 integrates a high-performance track/hold T/H amplifier and a quantizer on a single monolithic die. The innovative design of the internal T/H, which has an exceptionally wide 2.2GHz full-power input bandwidth, results in high performance typically effective bits at the Nyquist frequency. A fully differential comparator design and decoding circuitry reduce out-of-sequence code errors thermometer bubbles or sparkle codes and provide excellent metastable performance. Unlike other ADCs that can have errors resulting in false fullor zero-scale outputs, the MAX108 limits the error magnitude to 1LSB. The analog input is designed for either differential or single-ended use with a ±250mV input voltage range. Dual, differential, positive-referenced emitter-coupled logic PECL -compatible output data paths ensure easy interfacing and include an 8:16 demultiplexer feature that reduces output data rates to one-half the sampling clock rate. The PECL outputs can be operated from any supply between +3V to +5V for compatibility with +3.3V or +5V referenced systems. Control inputs are provided for interleaving additional MAX108 devices to increase the effective system sampling rate. The MAX108 is packaged in a 25mm x 25mm, 192-contact Enhanced Super Ball-Grid Array ESBGA and is specified over the commercial 0°C to +70°C temperature range. For pin-compatible, lower speed versions of the MAX108, see the MAX104 1Gsps and the MAX106 600Msps data sheets. Digital RF/IF Signal Processing Direct RF Downconversion High-Speed Data Acquisition Digital Oscilloscopes High-Energy Physics Radar/ECM Systems ATE Systems o 1.5Gsps Conversion Rate o 2.2GHz Full-Power Analog Input Bandwidth o Effective Bits at fIN = 750MHz Nyquist Frequency o ±0.25LSB INL and DNL o Differential Analog Inputs o ±250mV Input Signal Range o On-Chip, +2.5V Precision Bandgap Voltage Reference o Latched, Differential PECL Digital Outputs o Selectable 8:16 Demultiplexer o Internal Demux Reset Input with Reset Output o 192-Contact ESBGA Package o Pin Compatible with MAX104 1Gsps and MAX106 600Msps Ordering Information PART MAX108CHC TEMP RANGE 0°C to +70°C PIN-PACKAGE 192 ESBGA TOP VIEW 192-Contact ESBGA Ball Assignment Matrix MAX108 Typical Operating Circuit appears at end of data sheet. ESBGA is a trademark of Amkor/Anam. ESBGA PCB land pattern appears at end of data sheet. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at MAX108 ±5V, 1.5Gsps, 8-Bit ADC with On-Chip 2.2GHz Track/Hold Amplifier ABSOLUTE MAXIMUM RATINGS VCCA to GNDA to +6V VCCD to +6V VCCI to GNDI to +6V VCCO to GNDD to VCCD + 0.3V AUXEN1, AUXEN2 to GND .....................-0.3V to VCCD + 0.3V VEE to +0.3V Between to +0.3V VCCA to VCCD to +0.3V VCCA to +0.3V PECL Digital Output Current REFIN to GNDR to VCCI + 0.3V REFOUT Current to -5mA ICONST, IPTAT to GNDI to +1.0V TTL/CMOS Control Inputs DEMUXEN, DIVSELECT ......................-0.3V to VCCD + 0.3V RSTIN+, RSTIN- to VCCO + 0.3V VOSADJ Adjust Input ................................-0.3V to VCCI + 0.3V CLK+ to CLK- Voltage CLK+, - 0.3V to GNDD + 1V - 0.3V to GNDD + 1V VIN+ to VIN- Voltage Difference VIN+, VIN- to Continuous Power Dissipation TA = +70°C 192-Contact ESBGA derate 61mW/°C above +70°C ....4.88W with heatsink and 200 LFM airflow, derate 106mW/°C above +70°C Operating Temperature Range to +70°C Operating Junction Storage Temperature Range .............................-65°C to +150°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. DC ELECTRICAL CHARACTERISTICS VCCA = VCCI = VCCD = +5.0V ±5%, VEE = -5.0V ±5%, VCCO = +3.0V to VCCD, REFIN connected to REFOUT, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS ACCURACY Resolution Integral Nonlinearity Note 1 Differential Nonlinearity Note 1 Missing Codes ANALOG INPUTS Full-Scale Input Range Common-Mode Input Range Input Resistance RES INL DNL VFSR VCM RIN TA = +25°C TA = +25°C No missing codes guaranteed Note 1 Signal + offset w.r.t. GNDI VIN+ and VIN- to GNDI, TA = +25°C Bits None Codes 525 mVp-p Input Resistance Temperature Coefficient ppm/°C VOS ADJUST CONTROL INPUT Input Resistance Note 2 RVOS Input VOS Adjust Range REFERENCE INPUT AND OUTPUT Reference Output Voltage REFOUT VOSADJ = 0 to 2.5V Driving REFIN input only Reference Output Load Regulation 0 < ISOURCE < 2.5mA Reference Input Resistance RREF Referenced to GNDR MAX108 ±5V, 1.5Gsps, 8-Bit ADC with On-Chip 2.2GHz Track/Hold Amplifier DC ELECTRICAL CHARACTERISTICS continued VCCA = VCCI = VCCD = +5.0V ±5%, VEE = -5.0V ±5%, VCCO = +3.0V to VCCD, REFIN connected to REFOUT, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C. PARAMETER |
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