Datasheet AD8128 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | CAT-5 Receiver with Adjustable Line Equalization |
| Pages / Page | 12 / 3 — Data Sheet. AD8128. SPECIFICATIONS. Table 1. Parameter. Test … |
| Revision | A |
| File Format / Size | PDF / 382 Kb |
| Document Language | English |
Data Sheet. AD8128. SPECIFICATIONS. Table 1. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit
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Text Version of Document
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Data Sheet AD8128 SPECIFICATIONS
TA = 25°C, VS = ±5 V, RL = 150 Ω, Belden cable, VOFFSET = 0 V, VGAIN and VPEAK set to optimized settings (see Figure 4), unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE –3 dB Large Signal Bandwidth VOUT = 2 V p-p, 100 meter CAT-5 120 MHz ±1 dB Equalized Bandwidth Flatness VOUT = 2 V p-p 70 MHz Rise/Fall Time VOUT = 2 V step, 50 meter CAT-5 2 ns Rise/Fall Time VOUT = 2 V step, 100 meter CAT-5 3.6 ns Settling Time to 2% VOUT = 2 V step, 50 meter CAT-5 26 ns Settling Time to 2% VOUT = 2 V step, 100 meter CAT-5 36.4 ns Integrated Output Voltage Noise VPEAK = 0.9 V, VGAIN = 225 mV, BW = 1 GHz 1.5 mV rms DC PERFORMANCE Input Bias Current 15.5 24 µA VOFFSET Pin Current 1.7 8.2 µA VGAIN Pin Current 2 3.4 µA VPEAK Pin Current 4.2 6.8 µA INPUT CHARACTERISTICS Input Differential Voltage ±2.8 V Input Common-Mode Voltage ±3.0 V Input Resistance Common mode 380 kΩ Differential 675 kΩ Input Capacitance 1.7 pF Common-Mode Rejection Ratio (CMRR) 200 kHz, ΔVOUT/ΔVIN, cm −63 −74 dB ADJUSTMENT PINS VPEAK Input Voltage Relative to ground 0 1 V Maximum Peak Gain At 120 MHz, VPEAK = 1 V 20 dB VGAIN Input Relative to ground 0 1 V Maximum Broadband Gain VGAIN = 1 V 3 dB VOFFSET Input Range Relative to ground ±2.5 V VOFFSET to VOUT Gain 1 V/V OUTPUT CHARACTERISTICS Output Voltage Swing −2.55 +2.7 V Output Offset Voltage VOFFSET = 0 V, RTO −10.9 +7 +18.7 mV Output Offset Voltage Drift −5.5 µV/°C Short-Circuit Output Current 100 mA POWER SUPPLY Operating Voltage Range ±4.5 ±5.5 V Quiescent Supply Current, ICC/IEE At ±5 V +24/−21 +31/−27 mA Supply Current Drift, ICC/IEE +86/−77 µA/°C +Power Supply Rejection Ratio (PSRR) RTO −48 −59 dB −Power Supply Rejection Ratio (PSRR) RTO −48 −61 dB TEMPERATURE RANGE −40 +85 °C Rev. A | Page 3 of 12 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUIT THEORY OF OPERATION INPUT COMMON-MODE VOLTAGE RANGE CONSIDERATIONS APPLICATIONS INFORMATION KVM APPLICATIONS DC CONTROL PINS CASCADED APPLICATIONS EXPOSED PAD (EP) LAYOUT AND POWER SUPPLY DECOUPLING CONSIDERATIONS EVALUATION BOARDS OUTLINE DIMENSIONS ORDERING GUIDE
Data Sheet AD8128 SPECIFICATIONS
TA = 25°C, VS = ±5 V, RL = 150 Ω, Belden cable, VOFFSET = 0 V, VGAIN and VPEAK set to optimized settings (see Figure 4), unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE –3 dB Large Signal Bandwidth VOUT = 2 V p-p, 100 meter CAT-5 120 MHz ±1 dB Equalized Bandwidth Flatness VOUT = 2 V p-p 70 MHz Rise/Fall Time VOUT = 2 V step, 50 meter CAT-5 2 ns Rise/Fall Time VOUT = 2 V step, 100 meter CAT-5 3.6 ns Settling Time to 2% VOUT = 2 V step, 50 meter CAT-5 26 ns Settling Time to 2% VOUT = 2 V step, 100 meter CAT-5 36.4 ns Integrated Output Voltage Noise VPEAK = 0.9 V, VGAIN = 225 mV, BW = 1 GHz 1.5 mV rms DC PERFORMANCE Input Bias Current 15.5 24 µA VOFFSET Pin Current 1.7 8.2 µA VGAIN Pin Current 2 3.4 µA VPEAK Pin Current 4.2 6.8 µA INPUT CHARACTERISTICS Input Differential Voltage ±2.8 V Input Common-Mode Voltage ±3.0 V Input Resistance Common mode 380 kΩ Differential 675 kΩ Input Capacitance 1.7 pF Common-Mode Rejection Ratio (CMRR) 200 kHz, ΔVOUT/ΔVIN, cm −63 −74 dB ADJUSTMENT PINS VPEAK Input Voltage Relative to ground 0 1 V Maximum Peak Gain At 120 MHz, VPEAK = 1 V 20 dB VGAIN Input Relative to ground 0 1 V Maximum Broadband Gain VGAIN = 1 V 3 dB VOFFSET Input Range Relative to ground ±2.5 V VOFFSET to VOUT Gain 1 V/V OUTPUT CHARACTERISTICS Output Voltage Swing −2.55 +2.7 V Output Offset Voltage VOFFSET = 0 V, RTO −10.9 +7 +18.7 mV Output Offset Voltage Drift −5.5 µV/°C Short-Circuit Output Current 100 mA POWER SUPPLY Operating Voltage Range ±4.5 ±5.5 V Quiescent Supply Current, ICC/IEE At ±5 V +24/−21 +31/−27 mA Supply Current Drift, ICC/IEE +86/−77 µA/°C +Power Supply Rejection Ratio (PSRR) RTO −48 −59 dB −Power Supply Rejection Ratio (PSRR) RTO −48 −61 dB TEMPERATURE RANGE −40 +85 °C Rev. A | Page 3 of 12 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUIT THEORY OF OPERATION INPUT COMMON-MODE VOLTAGE RANGE CONSIDERATIONS APPLICATIONS INFORMATION KVM APPLICATIONS DC CONTROL PINS CASCADED APPLICATIONS EXPOSED PAD (EP) LAYOUT AND POWER SUPPLY DECOUPLING CONSIDERATIONS EVALUATION BOARDS OUTLINE DIMENSIONS ORDERING GUIDE
