3 1/2 Digit LCD/LED, Low Power Display, A/D Converters with Overrange Recovery The ICL7136CPLZ is a 3½ digit A/D converter manufactured by INTERSIL (now part of Renesas Electronics). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Resolution:** 3½ digits (2000 counts)
- **Input Voltage Range:** ±200mV or ±2V (user-selectable)
- **Supply Voltage:** Typically ±5V (dual supply) or +9V (single supply)
- **Power Consumption:** Low power (typically 1mW)
- **Conversion Rate:** 3 readings per second
- **Reference Voltage:** Internal or external (adjustable)
- **Input Impedance:** >1GΩ
- **Operating Temperature Range:** 0°C to +70°C
- **Package:** 40-pin PDIP (Plastic Dual In-line Package)
### **Descriptions:**
- The ICL7136CPLZ is a precision analog-to-digital converter designed for low-power applications, such as handheld meters and portable instruments.
- It includes auto-zeroing, polarity detection, and overrange/underrange indication.
- The device features a differential input with high input impedance, making it suitable for direct sensor interfacing.
- It operates with minimal external components, reducing system cost and complexity.
### **Features:**
- **Low Power Consumption:** Ideal for battery-operated devices.
- **Auto-Zero:** Ensures accuracy by eliminating offset errors.
- **True Differential Input:** Rejects common-mode noise.
- **Overrange/Underrange Indication:** Simplifies range detection.
- **Single-Pin Reference:** Allows easy adjustment of full-scale range.
- **Direct LCD Drive:** Compatible with 3½-digit LCD displays.
- **No External Active Components Required:** Reduces BOM cost.
This information is based on the manufacturer's datasheet and technical documentation.
