Sn51dp Datasheet -
Delivered in a compact, surface-mount MSOP-10 or SSOP-10 footprint. Its dimensions span roughly 3.9mm in length, 7.9mm in width, and 1.7mm in height.
When designing a circuit with the SN51DP, it's crucial to refer to the datasheet for detailed specifications, application notes, and typical performance curves. This information helps ensure that the operational amplifiers are used within their specified parameters, leading to reliable and efficient operation of the overall system.
Standalone digital pulse width modulator ( DPWM ) for precise LED brightness control. ### Pinout Configuration (10-Pin)
The SN51DP datasheet refers to the technical specifications and documentation for the SN51DP, a specific integrated circuit (IC) designed by Texas Instruments. The SN51DP is a dual, low-power, high-speed operational amplifier that is suitable for a wide range of applications including audio, video, and other signal processing circuits. sn51dp datasheet
| Part | Zero-Crossing? | Output Current | Isolation | Best for | |------|----------------|----------------|-----------|-----------| | | Yes | 100 mA | 5 kVrms | General purpose, low EMI AC switching | | MOC3063 | Yes | 100 mA | 5 kVrms | Similar, widely available | | MOC3021 | No | 100 mA | 5 kVrms | Phase control (dimmers) | | FODM3063 | Yes | 70 mA | 3.75 kVrms | SMD, lower profile | | SSR (e.g., Crydom) | Yes | 2–50 A | 4 kVrms | Integrated high-power, costly |
| Parameter | Symbol | Min | Typ | Max | Unit | Notes | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | | VDD | 1.6 | 3.3 | 5.5 | V | Must remain stable | | Input Voltage (VIN) | VIN | 4.5 | 12 | 28 | V | High-voltage power stage | | Quiescent Current | IQ | - | 1.5 | - | μA | No-load condition | | Max Output per Channel | IO | - | 20 | - | mA | Absolute maximum | | Propagation Delay | tpd | - | 25 | - | ns | Delay from input to output | | Switch Freq | Fsw | 100 | - | 1000 | kHz | Adjustable / fixed frequency |
: Always cross-check the pin function, not just pin count. The SN51DP pin 5 is Compensation ; many modern parts use that pin for Shutdown . Connecting incorrectly will cause instability or failure. Delivered in a compact, surface-mount MSOP-10 or SSOP-10
Navigating the 10 pins of the SN51DP requires a precise layout map. Below is the functional mapping derived from standard circuit topologies used in industrial SN51DP Data Sheets :
– Voltage sensing input. Monitored via a resistor divider to protect the circuit against open-loop LED configurations. Pin 4: GND – System ground connection.
The on Pin 1 (VIN) and Pin 3 (OVP) during bootup. The SN51DP is a dual, low-power, high-speed operational
The is a Zero-Cross Phototriac Coupler (also called a Phototriac or SSR driver). It is designed to interface low-voltage control logic (e.g., microcontrollers, 5V logic) with high-voltage AC loads (e.g., motors, solenoids, heaters, lamps) by driving an external power triac or directly controlling small AC loads.
: Loop Compensation. Connects an external RC network to stabilize the internal error amplifier control loop.
High-reliability deployment in flight control units, radar modules, and secure communication devices due to its resistance to electromagnetic interference . Pin Configuration & Package