TLC59282 Texas instruments

TLC59282

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TLC59282

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Описание

The TLC59282 is a 16-channel, constant-current sink driver. Each channel can be individually controlled via a simple serial communications protocol that is compatible with 3.3 V or 5 V CMOS logic levels, depending on the operating VCC. Once the serial data buffer is loaded, a rising edge on LATCH transfers the data to the LEDx outputs. The BLANK pin can be used to turn off all OUTn outputs during power-on and output data latching to prevent unwanted image displays during these times. The constant-current value of all 16 channels is set by a single external resistor. Multiple TLC59282s can be cascaded together to control additional LEDs from the same processor.

16 Channels, Constant-Current Sink Output with On/Off Control
Capability (Constant-Current Sink):
35 mA (V_CC ≤ 3.6 V), 45 mA (V_CC > 3.6 V)
LED Power-Supply Voltage up to 17 V
V_CC = 3 V to 5.5 V
Constant-Current Accuracy:
- Channel-to-Channel = ±0.6% (typ),
  ±2% (max)
- Device-to-Device = ±1% (typ), ±3% (max)
Low Saturation Voltage: 0.31 V at 20 mA (typ)
- T_A = +25°C, One Channel On
CMOS Logic Level I/O
Data Transfer Rate: 35 MHz
BLANK Pulse Width: 30 ns
Four-Channel Grouped Delay for
Noise Reduction
Operating Temperature: –40°C to +85°C

Features	ON/OFF LED Driver
Data transfer rate (typ) (MHz)	35
Ch to ch accuracy (typ) (±%)	0.6
Rating	Catalog
Operating temperature range (°C)	-40 to 85