10-Bit, 65/80/105 MSPS a 3 V A/D Converter AD9214 FEATURES FUNCTIONAL BLOCK DIAGRAM SNR = 57 dB 39 MHz Analog Input (0.5 dBFS) AV PWRDWN DrV Low Power DD DD 190 mW at 65 MSPS AD9214 285 mW at 105 MSPS DFS/GAIN 30 mW Power-Down Mode A 10 IN PIPELINE 300 MHz Analog Bandwidth BUFFER T/H ADC OR A CORE On-Chip Reference and Track/Hold IN 1 V p-p or 2 V p-p Analog Input Range Option 10 D D 9 0 Single 3.3 V Supply Operation (2.7 V3.6 V) ENCODE TIMING REF Twos Complement or Offset Binary Data Format Option APPLICATIONS Battery-Powered Instruments AGND REF REFSENSE DGND Hand-Held Scopemeters Low-Cost Digital Oscilloscopes Ultrasound Equipment Cable Reverse Path Broadband Wireless Residential Power Line Networks PRODUCT DESCRIPTION PRODUCT HIGHLIGHTS The AD9214 is a 10-bit monolithic sampling analog-to-digital High PerformanceOutstanding ac performance from 65 MSPS converter (ADC) with an on-chip track-and-hold circuit, and to 105 MSPS. SNR greater than 55 dB typical and as high is optimized for low cost, low power, small size, and ease of use. as 58 dB. The product operates up to 105 MSPS conversion rate with Low PowerThe AD9214 at 285 mW consumes a fraction of outstanding dynamic performance over its full operating range. the power available in existing high-speed monolithic solutions. The ADC requires only a single 3.3 V (2.7 V to 3.6 V) power In sleep mode, power is reduced to 30 mW. supply and an encode clock for full performance operation. No Single SupplyThe AD9214 uses a single 3 V supply, simplify- external reference or driver components are required for many ing system power supply design. It also features a separate digital applications. The digital outputs are TTL/CMOS compatible output driver supply line to accommodate 2.5 V logic families. and a separate output power supply pin supports interfacing Small PackageThe AD9214 is packaged in a small 28-lead with 3.3 V or 2.5 V logic. surface-mount plastic package (28-SSOP). The clock input is TTL/CMOS compatible. In the power-down state, the power is reduced to 30 mW. A gain option allows support for either 1 V p-p or 2 V p-p analog signal input swing. Fabricated on an advanced CMOS process, the AD9214 is available in a 28-lead surface-mount plastic package (28-SSOP) specified over the industrial temperature range (40C to +85C). REV. D Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. use, nor for any infringements of patents or other rights of third parties that Tel: 781/329-4700 www.analog.com may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Fax: 781/326-8703 Analog Devices, Inc., 2002 OUTPUT REGISTERAD9214SPECIFICATIONS (AV = 3 V, DrV = 3 V T = 40 C, T = +85 C external 1.25 V voltage reference and rated encode DD DD MIN MAX DC SPECIFICATIONS frequency used, unless otherwise noted.) Test AD9214-65 AD9214-80 AD9214-105 Parameter Temp Level Min Typ Max Min Typ Max Min Typ Max Unit RESOLUTION 10 10 10 Bits ACCURACY No Missing Codes 25C VI Guaranteed Guaranteed Guaranteed Full VI Guaranteed Guaranteed Offset Error Full VI 18 0 +18 18 0 +18 18 0 +18 LSB 1 Gain Error 25C I 2 +8 2 +8 2 +8 % FS 2 Differential Nonlinearity 25C I 1.0 0.5 +1.0 1.0 0.5 +1.2 1.0 0.8 +1.5 LSB (DNL) Full V 1.0 +1.2 1.0 +1.4 +1.7 LSB 2 Integral Nonlinearity 25C I 1.35 0.75 +1.35 1.5 0.75 +1.5 2.2 1.5 +2.2 LSB (INL) Full V 1.9 +1.9 1.8 +1.8 2.5 +2.5 LSB TEMPERATURE DRIFT Offset Error Full V 16 16 16 ppm/C 1 Gain Error Full V 150 150 150 ppm/C Reference Voltage Full V 80 80 80 ppm/C REFERENCE (REF) Internal Reference Voltage 25C VI 1.18 1.23 1.28 1.18 1.23 1.28 1.18 1.23 1.28 V 3 Output Current Full V 200 200 200 A 4 Input Current Full V 123 123 123 A Input Resistance Full V 10 10 10 k ANALOG INPUTS (A , AIN) IN Differential Input Range Full V 1 or 2 1 or 2 1 or 2 V p-p Common-Mode Voltage Full V AV /3 AV /3 AV /3 V DD DD DD 5 Differential Input Resistance Full V 20 20 20 k Differential Input Capacitance Full V 5 5 5 pF POWER SUPPLY Supply Voltages AV Full IV 2.7 3.6 2.7 3.6 2.7 3.6 V DD DrV Full IV 2.7 3.6 2.7 3.6 2.7 3.6 V DD Supply Current 6 I (AV = 3.0 V) Full VI 64 75 90 105 95 110 mA AVDD DD 7 Power-Down Current I (AV = 3.0 V) Full VI 10 15 10 15 10 15 mA AVDD DD 8 Power Consumption Full VI 190 220 250 300 285 325 mW PSRR 25CI 0.5 1 1 LSB/V Full V 2 2 2 mV/V NOTES 1 Gain error and gain temperature coefficient are based on the ADC only (with a fixed 1.25 V external reference). 2 Measured with 1 V A range for AD9214-80 and AD9214-105. Measured with 2 V A range for AD9214-65. IN IN 3 REFSENSE externally connected to AGND, REF is configured as an output for the internal reference voltage. 4 REFSENSE externally connected to AV , REF is configured as an input for an external reference voltage. DD 5 10 k to AV /3 on each input. DD 6 I is measured with an analog input of 10.3 MHz, 0.5 dBFS, sine wave, rated encode rate, and PWRDN = 0. See Typical Performance Characteristics and AVDD Applications section for I . DrVDD 7 Power-down supply currents measured with PWRDN = 1 rated encode rate, A = full-scale dc input. IN 8 Power consumption measured with A = full-scale dc input. IN Specifications subject to change without notice. 2 REV. D