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SPT9110SIS

SPT9110SIS

  • 厂商:

    CADEKA

  • 封装:

  • 描述:

    SPT9110SIS - 100 MSPS SINGLE-TO-DIFFERENTIAL TRACK-AND-HOLD - Cadeka Microcircuits LLC.

  • 数据手册
  • 价格&库存
SPT9110SIS 数据手册
SPT9110 100 MSPS SINGLE-TO-DIFFERENTIAL TRACK-AND-HOLD FEATURES • 400 MHz Sampling Bandwidth • 100 MHz Sampling Rate • Excellent Hold Mode Distortion -66 dB @ 50 MSPS (fIN = 25 MHz) -58 dB @ 100 MSPS (fIN = 50 MHz) • Track Mode Slew Rate: 700 V/µs • Low Power: 120 mW Differential Mode 75 mW Single-Ended Mode • Single +5 V Supply • Internal +2.5 V Reference APPLICATIONS • • • • THA for Differential ADCs RF Demodulation Systems Test Instrumentation Digital Sampling Oscilloscopes GENERAL DESCRIPTION The SPT9110 is a single-to-differential track-and-hold amplifier. It can be operated as a single-end THA only or, in full configuration, as a single-to-differential THA. An internal reference provides the common-mode voltage for the singleto-differential output stage. The THA, inverter and reference have separate power supply pins so each can be optionally powered up and used. This device provides an analog designer with a low cost single-to-differential THA amplifier for interfacing differential and single-ended ADCs. The SPT9110 is offered in a 28-lead SOIC package in the industrial temperature range. BLOCK DIAGRAM AVCC (THA) AVCC Out+ (INV) Analog In (VIN) 1X 1X Inver t InA CHOLD 1 kΩ R1 1 kΩ R2 Inver t InB +2.5 V Reference Out+ CLK NCLK AVCC (Ref) Ref Out Ref In AGND ABSOLUTE MAXIMUM RATING (Beyond which damage may occur)1 Supply Voltages AVCC Supplies ............................................. -0.5 to +6 V Input Voltages Analog Input Voltage .................................... -0.5 to +6 V CLK, NCLK Input .......................................... -0.5 to +6 V Ref In ............................................................ -0.5 to +6 V Output Currents2 Continuous Output Current ................................. ±15 mA Temperature Operating Temperature .............................. -40 to +85 °C Junction Temperature ......................................... +150 °C Lead, Soldering (10 seconds) ............................. +220 °C Storage ..................................................... -65 to +150 °C Note 1: Operation at any Absolute Maximum Ratings is not implied. See Electrical Specifications for proper nominal applied conditions in typical application. Note 2: Outputs are short circuit protected. ELECTRICAL SPECIFICATIONS AVCC = +5.0 V, AGND = 0.0 V, Output Load = 1 kΩ and 10 pF, VIN = 2.0 Vp-p,Internal Reference, unless otherwise specified. PARAMETERS DC Performance Gain ∆VIN = 2.0 Vp-p Single Ended Out Differential Out Offset VIN = +2.5 V Out+ Differential1 Output Drive Capacity2 Output Load at 10 pF Analog Input/Output Output Voltage Range Input Capacitance Input Resistance Reference Voltage Output Reference Output Current3 Reference Voltage Tempco Clock Inputs Input Type/Logic Family Input Bias Current Input Low Voltage (Differential) Input High Voltage (differential) TEST CONDITIONS TEST LEVEL MIN SPT9110 TYP MAX UNITS +25 °C Full Temperature +25 °C Full Temperature +25 °C Full Temperature +25 °C, Ref In=Out+ CM Full Temperature Full Temperature Full Temperature Full Temperature +25 °C +25 °C +25 °C Full Temperature I V I V I V I V IV V VI V I I V V V I I I 0.95 1.80 0.97 0.96 1.93 1.92 ±50 55 ±5 10 ±1 1 0.99 2.00 V/V V/V V/V V/V mV mV mV mV mA kΩ V pF kΩ V µA ppm/°C -100 -15 +100 ±15 ±10 1.5 100 2.35 5 140 2.45 ±100 75 3.5 2.55 +25 °C +25 °C +25 °C Differential PECL 2 3.3 3.9 4.1 10 3.5 µA V V 1Differential offset is specified with Ref In equal to the common mode output voltage of OUT+ and so includes the offset error of the inverter only. 2This part is intended to drive a high impedance load. AC performance is degraded at ±10 mA. See the Typical Performance Graphs. 3Ref Out has a typical output impedance of 1 kΩ and should be buffered for driving loads other than Ref In. SPT9110 2 11/12/98 ELECTRICAL SPECIFICATIONS AVCC = +5.0 V, AGND = 0.0 V, Output Load = 1 kΩ and 10 pF, VIN = 2.0 Vp-p,Internal Reference, unless otherwise specified. PARAMETERS Track Mode Dynamics Bandwidth (-3 dB) Single Ended Out Differential Out Slew Rate 2.0 Vp-p Output Step Single Ended Out Differential Out7 Input RMS Spectral Noise Track-to-Hold Switching Aperture Delay Aperture Jitter Pedestal Offset Hold Mode Dynamics4 (VIN = 1 Vp-p) Worst Harmonic 5 MHz, 50 MSPS, Single-Ended Worst Harmonic 5 MHz, 50 MSPS, Differential Worst Harmonic 25 MHz, 50 MSPS, Single-Ended Worst Harmonic 25 MHz, 50 MSPS, Differential Worst Harmonic 50 MHz, 100 MSPS, Single-Ended Worst Harmonic 50 MHz, 100 MSPS, Differential Sampling Bandwidth5 (-3 dB) VIN = 2.0 Vp-p Hold Noise6 (RMS) Droop Rate, VIN = +2.5 V Feedthrough Rejection (50 MHz) VIN= 2 Vp-p TEST CONDITIONS +25 °C TEST LEVEL MIN SPT9110 TYP MAX UNITS V V +25 °C 20 pF Load 20 pF Load Single Ended Differential +25 °C +25 °C +25 °C Full Temperature 220 140 580 800 3.5 13.0 250
SPT9110SIS 价格&库存

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