The monolithic integrated circuit SAK215 is designed for use in revolution counters of cars and for other applications like frequency to current converters. By use of suitable external circuitry the revolution counter can be adapted to engines with two to eight cylinders. It is designed for a nominal 12 V DC supply.
Packagemini Dip plastic package similar to TO-116 20A8 according to DIN 41866
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Technical Specifications
TDK SAK215 technical specifications.
General
| Package Type | mini Dip plastic package similar to TO-116 20A8 according to DIN 41866 |
| Weight | approximately 0.5g |
| Pin 1 Function | Ground, 0 |
| Pin 2 Function | Input |
| Pin 3 Function | Feedback output |
| Pin 4 Function | Feedback input |
| Pin 5 Function | Output |
| Pin 6 Function | Adjustment pin for output current |
| Pin 7 Function | Stabilized supply voltage pin |
| Pin 8 Function | Supply voltage VB |
| Supply Voltage (Absolute Max) | see dimensioning hints for Ry and R7/8 |
| Input Voltage (Absolute Max) | +20V |
| Current through Instrument Coil (Absolute Max Positive) | 40mA |
| Current through Instrument Coil (Absolute Max Negative) | -16mA |
| Power Dissipation at TA = 65 °C (Absolute Max) | 500mW |
| Ambient Operating Temperature Range (Absolute Max) | Min: -25, Max: +65°C |
| Storage Temperature Range (Absolute Max) | Min: -25, Max: +125°C |
| Frequency of the Input Pulses (Recommended Max) | Max: 10kHz |
| Pulse Duty Factor of the Output Current (Recommended Max) | Max: 0.9 |
| Timing Resistor (Recommended) | Min: 15, Max: 100kΩ |
| Resistor for adjusting the Current through the Instrument Coil (Recommended Min) | Min: 100Ω |
| Voltage Drop across Bypass Resistor (Recommended Max) | Max: 7V |
| Voltage Drop between Pins 5 and 6 (Recommended Min) | Min: 1V |
| Test Condition - Supply Voltage | 14V |
| Test Condition - Ambient Operating Temperature | 25°C |
| Test Condition - Input Pulse Amplitude | 1.6V |
| Test Condition - Input Pulse Duration | 0.5ms |
| Test Condition - Input Pulse Repetition Frequency | 250Hz |
| Stabilized Supply Voltage | Min: 7.4, Max: 8.2V |
| Current Consumption | Max: 12mA |
| Input Voltage Range without triggering the Circuit | Min: -20, Max: +0.5V |
| Trigger Range | Min: 1.5, Max: 20V |
| Trigger Slope | positive going |
| Input Impedance | Min: 7kΩ |
| Pulse Amplitude at Pin 6 | Min: 2, Max: 2.5V |
| Output Pulse Duration | 0.64 R7/4 C3/4 |
| Output Current (Min) | Min: -16mA |
| Dimensioning Hint - Coil resistance RM (condition for active range) | V5/6 > V7-V6 - (I5p * RM) is above 1 V |
| Dimensioning Hint - Peak current calculation (I5p) | I5p = IM / 0.7 |
| Dimensioning Hint - Adjustment resistor R6/1 calculation | R6/1 = V6 / I5p |
| Dimensioning Hint - Series resistor Ry selection (condition) | Ry <= (VB min - 8.2 V) / (12 mA + I5p) |
| Dimensioning Hint - By-pass resistor R7/8 selection (condition) | R7/8 < (7V - Ry) / (VB max - 7.4 V) |
Compliance
| REACH | Compliant |
| Military Spec | False |
Datasheet
TDK SAK215 Datasheet
Download the complete datasheet for TDK SAK215 to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.