AD603Data SheetTYPICAL PERFORMANCE CHARACTERISTICS @ TA = 25°C, VS = ±5 V, –500 mV ≤ VG ≤ +500 mV, GNEG = 0 V, –10 dB to +30 dB gain range, RL = 500 Ω, and CL = 5 pF, unless otherwise noted. 4042253180302135190GAIN20045B)rees)B)dd–10DegN (10.7MHzN ((PHASEAIAIEG10–2–45GHAS–3–90P100kHz0–4–135–5–180–10–6–225 004 –0.6–0.4–0.200.20.40.6 007 100k1M10M100MVG (V) 00539- FREQUENCY (Hz) 00539- Figure 4. Gain vs. VG at 100 kHz and 10.7 MHz Figure 7. Frequency and Phase Response vs. Gain (Gain = 10 dB, PIN = −30 dBm) 2.5422532.045MHz18021351.5190B)1.070MHzGAINd045R (10.7MHzrees)B)0.5d–10DegRRON (PHASE(AIEN E–2–450GAIHASG455kHzP–3–90–0.570MHz–4–135–1.0–5–180–1.5–6–225 005 –0.5–0.4–0.3–0.2–0.100.10.20.30.40.5 008 100k1M10M100MGAIN VOLTAGE (V) 00539- FREQUENCY (Hz) 00539- Figure 5. Gain Error vs. Gain Control Voltage at 455 kHz, Figure 8. Frequency and Phase Response vs. Gain 10.7 MHz, 45 MHz, 70 MHz (Gain = 30 dB, PIN = −30 dBm) 42257.631807.421351907.2GAINs) n045(rees)YB)Ad–10L7.0DegN (PHASE(DEAIEP–2–45GHASOU6.8P–3–90GR–4–1356.6–5–180–6–2256.4 006 100k1M10M100M 009 –0.6–0.4–0.200.20.40.6FREQUENCY (Hz) 00539- GAIN CONTROL VOLTAGE (V) 00539- Figure 6. Frequency and Phase Response vs. Gain Figure 9. Group Delay vs. Gain Control Voltage (Gain = −10 dB, PIN = −30 dBm) Rev. K | Page 6 of 24 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Test Circuits Theory of Operation Noise Performance The Gain Control Interface Programming the Fixed-Gain Amplifier Using Pin Strapping Using the AD603 in Cascade Sequential Mode (Optimal SNR) Parallel Mode (Simplest Gain Control Interface) Low Gain Ripple Mode (Minimum Gain Error) Applications Information A Low Noise AGC Amplifier Caution Evaluation Board Outline Dimensions Ordering Guide