Datasheet ADA4945-1 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | High-Speed, ±0.3µV/°C Offset Drift, Fully Differential ADC Driver |
| Pages / Page | 18 / 3 — Preliminary Technical Data. ADA4945-1. SPECIFICATIONS SUPPLY VOLTAGE (VS) … |
| Revision | PrC |
| File Format / Size | PDF / 468 Kb |
| Document Language | English |
Preliminary Technical Data. ADA4945-1. SPECIFICATIONS SUPPLY VOLTAGE (VS) = 10 V
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Preliminary Technical Data ADA4945-1 SPECIFICATIONS SUPPLY VOLTAGE (VS) = 10 V
Output common-mode voltage (VOCM) = midsupply, G = 1, feedback resistance (RF) = gain resistance (RG) = 499 Ω, differential load resistance (RL, dm) = 1 kΩ, and TA = 25°C, unless otherwise noted. All specifications refer to single-ended input and differential outputs, unless otherwise noted. Refer to Figure 5 for signal definitions.
Positive Input (+DIN) or Negative Input (–DIN) to Differential Output Voltage (VOUT, dm) Performance Table 2. Full Power Mode Low Power Mode Parameter Test Conditions/Comments Min Typ Max Min Typ Max Unit
DYNAMIC PERFORMANCE −3 dB Small Signal Bandwidth VOUT, dm = 20 mV p-p, G = 1 200 80 MHz VOUT, dm = 20 mV p-p, G = 2 100 40 MHz VOUT, dm = 20 mV p-p, G = 5 40 15 MHz −3 dB Large Signal Bandwidth VOUT, dm = 2 V p-p, G = 1 70 25 MHz VOUT, dm = 2 V p-p, G = 2 TBD TBD MHz VOUT, dm = 2 V p-p, G = 5 TBD TBD MHz Bandwidth for 0.1 dB Flatness VOUT, dm = 20 mV p-p, G = 1 40 20 MHz VOUT, dm = 20 mV p-p, G = 2 TBD TBD MHz Slew Rate VOUT, dm = 8 V step 600 100 V/µs Settling Time to 0.1% VOUT, dm = 8 V step 30 100 ns Settling Time 16-bit 50 150 ns 18-bit 100 300 ns 20-bit TBD TBD ns Input Overdrive Recovery G = 1, differential input voltage TBD TBD ns (VIN, dm) = 10 V p-p, triangular waveform Output Overdrive Recovery G = 2, VOUT, dm = 22 V p-p, 200 TBD ns triangular waveform NOISE/HARMONIC PERFORMANCE VOUT, dm = 8 V p-p HD2 Center frequency (fC) = 1 kHz −140 −134 dBc fC = 100 kHz −120 −115 dBc fC = 100 kHz, G = 2 −119 −114 dBc fC = 1 MHz −89 −60 dBc HD3 fC = 1 kHz −148 −142 dBc fC = 100 kHz −148 −114 dBc fC = 100 kHz, G = 2 −146 −110 dBc fC = 1 MHz −82 −60 dBc Input Voltage Noise Differential Frequency under test 4.1 4 nV/√Hz (f) = 10 Hz f = 100 kHz 1.6 2.9 nV/√Hz 1/f corner frequency 100 30 Hz Integrated Voltage Noise 0.1 Hz to 10 Hz 35 25 nV rms Common Mode 35 45 nV/√Hz Input Current Noise f = 10 Hz 12 4 pA/√Hz f = 100 kHz 1 0.6 pA/√Hz 1/f corner frequency 2000 1000 Hz Rev. PrA | Page 3 of 18 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Specifications Supply Voltage (VS) = 10 V Positive Input (+DIN) or Negative Input (–DIN) to Differential Output Voltage (VOUT, dm) Performance VOCM to VOUT, cm Performance General Performance VS = 5 V +DIN or –DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance VS = 3 V +DIN or –DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configuration and Function Descriptions Terminology Outline Dimensions
Preliminary Technical Data ADA4945-1 SPECIFICATIONS SUPPLY VOLTAGE (VS) = 10 V
Output common-mode voltage (VOCM) = midsupply, G = 1, feedback resistance (RF) = gain resistance (RG) = 499 Ω, differential load resistance (RL, dm) = 1 kΩ, and TA = 25°C, unless otherwise noted. All specifications refer to single-ended input and differential outputs, unless otherwise noted. Refer to Figure 5 for signal definitions.
Positive Input (+DIN) or Negative Input (–DIN) to Differential Output Voltage (VOUT, dm) Performance Table 2. Full Power Mode Low Power Mode Parameter Test Conditions/Comments Min Typ Max Min Typ Max Unit
DYNAMIC PERFORMANCE −3 dB Small Signal Bandwidth VOUT, dm = 20 mV p-p, G = 1 200 80 MHz VOUT, dm = 20 mV p-p, G = 2 100 40 MHz VOUT, dm = 20 mV p-p, G = 5 40 15 MHz −3 dB Large Signal Bandwidth VOUT, dm = 2 V p-p, G = 1 70 25 MHz VOUT, dm = 2 V p-p, G = 2 TBD TBD MHz VOUT, dm = 2 V p-p, G = 5 TBD TBD MHz Bandwidth for 0.1 dB Flatness VOUT, dm = 20 mV p-p, G = 1 40 20 MHz VOUT, dm = 20 mV p-p, G = 2 TBD TBD MHz Slew Rate VOUT, dm = 8 V step 600 100 V/µs Settling Time to 0.1% VOUT, dm = 8 V step 30 100 ns Settling Time 16-bit 50 150 ns 18-bit 100 300 ns 20-bit TBD TBD ns Input Overdrive Recovery G = 1, differential input voltage TBD TBD ns (VIN, dm) = 10 V p-p, triangular waveform Output Overdrive Recovery G = 2, VOUT, dm = 22 V p-p, 200 TBD ns triangular waveform NOISE/HARMONIC PERFORMANCE VOUT, dm = 8 V p-p HD2 Center frequency (fC) = 1 kHz −140 −134 dBc fC = 100 kHz −120 −115 dBc fC = 100 kHz, G = 2 −119 −114 dBc fC = 1 MHz −89 −60 dBc HD3 fC = 1 kHz −148 −142 dBc fC = 100 kHz −148 −114 dBc fC = 100 kHz, G = 2 −146 −110 dBc fC = 1 MHz −82 −60 dBc Input Voltage Noise Differential Frequency under test 4.1 4 nV/√Hz (f) = 10 Hz f = 100 kHz 1.6 2.9 nV/√Hz 1/f corner frequency 100 30 Hz Integrated Voltage Noise 0.1 Hz to 10 Hz 35 25 nV rms Common Mode 35 45 nV/√Hz Input Current Noise f = 10 Hz 12 4 pA/√Hz f = 100 kHz 1 0.6 pA/√Hz 1/f corner frequency 2000 1000 Hz Rev. PrA | Page 3 of 18 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Specifications Supply Voltage (VS) = 10 V Positive Input (+DIN) or Negative Input (–DIN) to Differential Output Voltage (VOUT, dm) Performance VOCM to VOUT, cm Performance General Performance VS = 5 V +DIN or –DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance VS = 3 V +DIN or –DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configuration and Function Descriptions Terminology Outline Dimensions
