ADA4870 High-Speed Power Amplifier Module

Specifications:

• Single-Supply, Wide Voltage Range (10V – 15V DC).
• Gain: 6.912 V/V (fixed) with 35Vp-p output swing.
• Architecture: Composite amplifier for high bandwidth + DC precision.
• Drive Capability: 1A output current, >25MHz -3dB bandwidth (18Ω load)

Protection:

• Optical-isolated SD/ON control pins
• Over-current + over-temperature protection

Connectors:

• Pre-soldered: MX3.0 power jack
• Unsoldered: Signal I/O headers

Q&A

Q: Are connectors pre-soldered?
A: Only the MX3.0 power interface is soldered; other connectors require user installation.

Q: Is gain adjustable?
A: Default gain is 6.912. For adjustments:

• Modify feedback network (refer to schematic)
• Reconfigure loop compensation accordingly

Packing List

1. ADA4870 Module × 1
2. 2.54mm 2×4 Pin Header × 1
3. MX3.0 Power Cable × 1
4. SMA Connector × 1
5. BNC Connector × 1