Overview
The ADD8707WCPZ-REEL7, produced by Analog Devices Inc., is a 12-channel integrated gamma reference with VCOM (Common Voltage) driver designed for use in LCD TV and monitor panels. This component features high current drive and low offset voltage, ensuring an accurate and stable gamma curve. It operates on a single supply voltage ranging from 7.5 V to 16 V and is specified over a temperature range of –40°C to +105°C. The device comes in a 48-lead, Pb-free, lead frame chip-scale package (LFCSP).
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Gamma Curve Accuracy | - | 0.1% | - | 0.4% | % |
| Programming Resolution | - | - | 0.2% | - | % |
| Total Resistor String Value | - | - | 15 kΩ | - | kΩ |
| Output Voltage Range (Ch12 to Ch7) | IL = 100 µA | - | 1.4 VDD | - | V |
| Output Voltage Range (Ch6 to Ch1) | IL = 100 µA | - | 0 VDD - 1.4 V | - | V |
| Dropout Voltage | IL = 100 µA | 100 mV | 150 mV | - | mV |
| Line Regulation | VIN = 8.5 V to 16.5 V, VOUT = 8V | 0.01 %/V | 0.20 %/V | - | %/V |
| Load Regulation | IO = 100 µA to 5 mA | 0.02 %/mA | 0.10 %/mA | - | %/mA |
| Maximum Load Current | -40°C ≤ TA ≤ +105°C | - | - | 5 mA | mA |
| Supply Voltage | - | 7.5 V | - | 16 V | V |
| Package Type | - | - | - | 48-lead LFCSP | - |
Key Features
- 12-channel integrated gamma reference with VCOM driver
- High current drive: 15 mA per channel
- Low offset voltage for accurate gamma curve
- Mask-programmable resistor string with 500 segments and 0.2% resolution
- On-board voltage regulator for stable reference level
- Single-supply operation: 7.5 V to 16 V
- Temperature range: –40°C to +105°C
- Pb-free, 48-lead lead frame chip-scale package (LFCSP)
- VCOM peak output current: 250 mA
Applications
- LCD TV panels
- LCD monitor panels
Q & A
- What is the primary function of the ADD8707WCPZ-REEL7? The primary function is to provide a 12-channel integrated gamma reference with VCOM driver for LCD TV and monitor panels.
- What is the operating voltage range of the ADD8707WCPZ-REEL7? The operating voltage range is from 7.5 V to 16 V.
- What is the temperature range for the ADD8707WCPZ-REEL7? The temperature range is from –40°C to +105°C.
- What is the maximum load current for each channel? The maximum load current for each channel is 5 mA.
- What is the resolution of the mask-programmable resistor string? The resolution is 0.2% with 500 segments.
- What type of package does the ADD8707WCPZ-REEL7 come in? It comes in a 48-lead, Pb-free, lead frame chip-scale package (LFCSP).
- What is the VCOM peak output current? The VCOM peak output current is 250 mA.
- Does the ADD8707WCPZ-REEL7 include an on-board voltage regulator? Yes, it includes an on-board voltage regulator to provide a stable reference level for the gamma curve.
- How many channels does the ADD8707WCPZ-REEL7 have? It has 12 channels.
- What is the typical gamma curve accuracy? The typical gamma curve accuracy is 0.1% with a worst-case deviation of 0.4%.
