Datasheet ADA4312-1 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | Wideband, Differential, High Output Current Line Driver with Shutdown |
| Seiten / Seite | 12 / 7 — Data Sheet. ADA4312-1. 100k. 10k. ) (Ω. (mA). DRIVING 16dBm. INTO 40Ω. … |
| Revision | A |
| Dateiformat / Größe | PDF / 444 Kb |
| Dokumentensprache | Englisch |
Data Sheet. ADA4312-1. 100k. 10k. ) (Ω. (mA). DRIVING 16dBm. INTO 40Ω. PEDANCE IM. CURRE. 100. 50Ω. Y L. PUT. MID. OUT. QUIESCENT. 0.1. 1000. 2000. 3000. 4000
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Textversion des Dokuments
Data Sheet ADA4312-1 100k 70 60 10k ) (Ω 50 (mA) 1k DRIVING 16dBm R NT F 40 INTO 40Ω PEDANCE IM CURRE 30 100 50Ω Y L PUT PP UT V R Z MID G OUT O 20 SU QUIESCENT 10 50Ω 10 RF 1 0
018
0.1 1 10 100 0 1000 2000 3000 4000 5000 6000 7000 8000
109
FREQUENCY (MHz) R
1044- 11044-
IADJ (Ω)
1 Figure 10. Open-Loop Disabled Differential Output Impedance vs. Frequency Figure 13. Supply Current vs. IADJ Resistance (RIADJ)
14 3.5 1.25 3.5 13 3.0 12 2.5 1.00 2.5 SD SD 11 2.0 ) V ( E (V) 10 1.5 E 0.75 1.5 D D U E (V) E (V) 9 1.0 IT D D U LITU U 8 0.5 IT P 0.50 0.5 IT MPL M A A T 7 OUTA 0 MPL MPL H A A PU T 6 –0.5 SD 0.25 –0.5 SD U O GLITC 5 OUTB –1.0 AVERAGE GLITCH 4 –1.5 0 –1.5 3 –2.0 2 –2.5 –0.25 –2.5
010
–1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
008
–1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 TIME (µs) TIME (µs)
11044- 11044- Figure 11. Shutdown Enable/Disable with Differential OFDM Input Figure 14. Shutdown Enable/Disable Glitch, Normalized to 0 V, Differential Input = 0 V
1.25 3.5 1.25 3.5 1.00 2.5 1.00 2.5 ) ) V V ( ( E 0.75 1.5 E 0.75 1.5 D E (V) D E (V) SD D SD D LITU U LITU U P 0.50 0.5 IT P 0.50 0.5 IT M M A MPL A H MPL A H A 0.25 –0.5 SD 0.25 –0.5 SD GLITC GLITC AVERAGE GLITCH AVERAGE GLITCH 0 –1.5 0 –1.5 –0.25 –2.5 –0.25 –2.5
009
1.8 1.9 2.0 2.1 2.2 2.3 2.4
007
–2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 TIME (µs) TIME (µs)
11044- 11044- Figure 12. Differential Output Enable Glitch, Normalized to 0 V Figure 15. Differential Output Disable Glitch, Normalized to 0 V Rev. A | Page 7 of 12 Document Outline Features Applications General Description Functional Block Diagram Typical Application Circuit Revision History Specifications Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Test Circuit Applications Information Feedback Resistor Selection General Operation Half-Duplex Operation Establishing VMID Bias Control and Linearity PCB Layout Thermal Management Power Supply Bypassing Evaluation Board Outline Dimensions Ordering Guide
018
0.1 1 10 100 0 1000 2000 3000 4000 5000 6000 7000 8000
109
FREQUENCY (MHz) R
1044- 11044-
IADJ (Ω)
1 Figure 10. Open-Loop Disabled Differential Output Impedance vs. Frequency Figure 13. Supply Current vs. IADJ Resistance (RIADJ)
14 3.5 1.25 3.5 13 3.0 12 2.5 1.00 2.5 SD SD 11 2.0 ) V ( E (V) 10 1.5 E 0.75 1.5 D D U E (V) E (V) 9 1.0 IT D D U LITU U 8 0.5 IT P 0.50 0.5 IT MPL M A A T 7 OUTA 0 MPL MPL H A A PU T 6 –0.5 SD 0.25 –0.5 SD U O GLITC 5 OUTB –1.0 AVERAGE GLITCH 4 –1.5 0 –1.5 3 –2.0 2 –2.5 –0.25 –2.5
010
–1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
008
–1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 TIME (µs) TIME (µs)
11044- 11044- Figure 11. Shutdown Enable/Disable with Differential OFDM Input Figure 14. Shutdown Enable/Disable Glitch, Normalized to 0 V, Differential Input = 0 V
1.25 3.5 1.25 3.5 1.00 2.5 1.00 2.5 ) ) V V ( ( E 0.75 1.5 E 0.75 1.5 D E (V) D E (V) SD D SD D LITU U LITU U P 0.50 0.5 IT P 0.50 0.5 IT M M A MPL A H MPL A H A 0.25 –0.5 SD 0.25 –0.5 SD GLITC GLITC AVERAGE GLITCH AVERAGE GLITCH 0 –1.5 0 –1.5 –0.25 –2.5 –0.25 –2.5
009
1.8 1.9 2.0 2.1 2.2 2.3 2.4
007
–2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 TIME (µs) TIME (µs)
11044- 11044- Figure 12. Differential Output Enable Glitch, Normalized to 0 V Figure 15. Differential Output Disable Glitch, Normalized to 0 V Rev. A | Page 7 of 12 Document Outline Features Applications General Description Functional Block Diagram Typical Application Circuit Revision History Specifications Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Test Circuit Applications Information Feedback Resistor Selection General Operation Half-Duplex Operation Establishing VMID Bias Control and Linearity PCB Layout Thermal Management Power Supply Bypassing Evaluation Board Outline Dimensions Ordering Guide