The TLC7135 is a precision 4 1/2-digit analog-to-digital converter (ADC) IC designed for high-accuracy measurement applications. It provides low-noise, high-stability performance ideal for digital multimeters and other precision measurement systems. The IC is housed in a SOP-28 SMD package, making it suitable for surface-mount applications where space is a constraint.

Specifications:

• IC Type: Analog-to-Digital Converter
• Package Type: SOP-28 SMD
• Package Size: 28 Pins
• Resolution: 4 1/2 digits (19,999 counts)
• Conversion Type: Dual-slope
• Input Voltage Range: ±2 V, ±20 V
• Reference Voltage: 100 mV to 100 V
• Power Supply Voltage: ±5 V to ±15 V
• Maximum Conversion Rate: 30 conversions per second
• Operating Temperature Range: 0°C to +70°C

Pin Configuration:

1. IN HI: Positive analog input
2. IN LO: Negative analog input
3. ANALOG COMMON: Reference for input signal
4. BUFF: Buffer output
5. VREF LO: Reference voltage low
6. VREF HI: Reference voltage high
7. VCC: Positive supply voltage
8. VSS: Negative supply voltage
9. DIGITAL COMMON: Ground for digital section
10. OSC1: Oscillator pin 1
11. OSC2: Oscillator pin 2
12. STROBE: Strobe input
13. BIPOLAR/ZERO: Mode control
14. POLARITY: Polarity output
15. OVER RANGE: Over-range indication
16. DIGIT SELECT 1-4: Digit select outputs
17. DIGIT DRIVE 1-4: Digit drive outputs
18. BLANK: Blank display
19. A OUT: Segment A output
20. B OUT: Segment B output
21. C OUT: Segment C output
22. D OUT: Segment D output
23. E OUT: Segment E output
24. F OUT: Segment F output
25. G OUT: Segment G output
26. DP OUT: Decimal point output
27. TEST: Test pin
28. VDD: Digital supply voltage

Features:

• High precision with low drift
• Auto-zero and auto-polarity
• Built-in reference voltage
• Minimal external components required
• Directly drives LCDs and LEDs
• Excellent linearity and stability

Applications:

• Digital multimeters
• Data acquisition systems
• Portable measurement instruments
• Industrial process control
• Laboratory instrumentation

Package Includes:

• 1 x TLC7135 4 1/2-Digit Precision Analog-to-Digital Converter IC (SOP-28 SMD Package)

Note: Product images are for illustrative purposes only and may differ from the actual product.