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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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Hello, Please ask a question about AS1112 Datasheet
# Example questions:
➢ What figures are referenced in relation to propagation delay time (tpd) and what is the maximum value of tpd2?
➢ The datasheet mentions several figures displaying 'output current vs. v_ds'. what are the two different v_dd values used in these figures?
➢ What is the significance of 'dot correction value' as shown in figure 8 and what is being graphed in relation to it?
| Part No. | AS1112 |
| Manufacturer | TAOS |
| Size | 1Mb |
| Pages | 20 pages |
| Description | 16-Channel LED Dr iver wi th Dot Cor rect ion and Greyscale PWM |
# AS1112 16-Channel LED Driver
## Key Features
️· 16 Channels
️· Greyscale PWM Control: 12-bit (4096 steps)
️· Dot Correction: 6-bit (64 steps)
️· Drive Capability: 0 to 100mA (Constant Current Sink)
️· LED Power Supply Voltage: Up to 15V
️· Supply Voltage Range: 3.0 to 5.5V
️· SPI-Compatible Serial Interface
️· Controlled In-Rush Current
️· Data Transfer & PWM Clock Rate: up to 30 MHz
️· CMOS Level I/O
️· Diagnostic Features: LED Open/Short Detection, Overtemperature Flag
️· 32-pin TQFN 5x5 mm Package
## Electrical Characteristics
️· VCC Range: 3.0 – 5.5V
️· Operating Junction Temperature: -40 to +125°C
️· Max Output Current per Channel (with external resistor): up to 100mA
## Pin Descriptions
️· IREF: Sets max current with external resistor.
️· CLK, SDI, SDO: Serial Interface pins
️· OUT0-OUT15: Constant current sink outputs
️· XERR: Error output (LED open/short, overtemp)
️· GSCLK: Greyscale clock
️· PD: Power Down pin (40nA standby)
## Diagnostic Features
️· Open/Short LED Detection: Detects disconnected or shorted LEDs.
️· Overtemperature Flag: Indicates when the device exceeds temperature limits.
## Applications
️· LED Displays
️· Signboards
️· Backlights
# AS1112 16-Channel LED Driver
## Key Features
️· 16 Channels
️· Greyscale PWM Control: 12-bit (4096 steps)
️· Dot Correction: 6-bit (64 steps)
️· Drive Capability: 0 to 100mA (Constant Current Sink)
️· LED Power Supply Voltage: Up to 15V
️· Supply Voltage Range: 3.0 to 5.5V
️· SPI-Compatible Serial Interface
️· Controlled In-Rush Current
️· Data Transfer & PWM Clock Rate: up to 30 MHz
️· CMOS Level I/O
️· Diagnostic Features: LED Open/Short Detection, Overtemperature Flag
️· 32-pin TQFN 5x5 mm Package
## Electrical Characteristics
️· VCC Range: 3.0 – 5.5V
️· Operating Junction Temperature: -40 to +125°C
️· Max Output Current per Channel (with external resistor): up to 100mA
## Pin Descriptions
️· IREF: Sets max current with external resistor.
️· CLK, SDI, SDO: Serial Interface pins
️· OUT0-OUT15: Constant current sink outputs
️· XERR: Error output (LED open/short, overtemp)
️· GSCLK: Greyscale clock
️· PD: Power Down pin (40nA standby)
## Diagnostic Features
️· Open/Short LED Detection: Detects disconnected or shorted LEDs.
️· Overtemperature Flag: Indicates when the device exceeds temperature limits.
## Applications
️· LED Displays
️· Signboards
️· Backlights
| Part No. | AS1112 |
| Manufacturer | TAOS |
| Size | 1Mb |
| Pages | 20 pages |
| Description | 16-Channel LED Dr iver wi th Dot Cor rect ion and Greyscale PWM |
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