Slew rate and bandwidth — what they mean for signal integrity
The AD504LH is a single-channel general-purpose op-amp from Analog Devices in a hermetic TO-99 metal can package. Its 0.12 V/µs slew rate and 300 kHz -3 dB bandwidth define its signal-handling ceiling: for a 10 V peak-to-peak output swing, the slew rate limits full-power bandwidth to roughly 1.9 kHz. This part is sized for low-frequency precision tasks — instrumentation amplifiers, active filters below 100 kHz, or DC level shifting — not for video, high-speed data acquisition, or fast servo loops.
Supply range and input characteristics
The 10 V to 36 V supply span covers the common industrial rails: ±5 V, ±12 V, ±15 V, or single 12 V/24 V. With 80 nA input bias current and 200 µV input offset voltage, this is a moderate-precision part — adequate for 8- to 10-bit systems without external trimming. The 25 mA output current per channel can drive a 600 Ω load to within a couple volts of the rails.
Package, mounting, and temperature grade
The TO-99-8 metal can is a hermetic, through-hole package. It requires a 0.2″ pin-circle footprint and is not compatible with modern SMD reflow processes. For industrial or automotive environments, a wider-temperature op-amp like the AD629ANZ (-40°C to 85°C) would be needed.
Lifecycle and compliance flag
However, it carries a RoHS non-compliant status — the leads and internal construction contain lead (Pb). This means it cannot be used in new EU-market products without a RoHS exemption. For new designs requiring Pb-free compliance, consider the AD706JNZ (dual op-amp, 800 kHz bandwidth, 0.15 V/µs slew rate, 50 pA input bias, in an 8-pin DIP) as a functional alternative, though verify pin-compatibility and supply voltage range.