TB62709FG Просмотр технического описания (PDF) - Marktech Optoelectronics
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TB62709FG Datasheet PDF : 26 Pages
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TB62709NG/FG
TOSHIBA Bi−CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC
TB62709NG,TB62709FG
7−SEGMENT DRIVERS WITH BUILT−IN DECODERS
(COMMON ANODE CAPABILITY, MAXIMUM 4−DIGIT CONTROL)
The TB62709NG and TB62709FG are multifunctional, compact,
7−segment LED display drivers.
These ICs can directly drive 7−segment displays and individual
LEDs, and can control either a 4−digit display with decimal
points, or 32 individual LEDs.
These ICs can also be used with common−anode displays. Their
outputs are constant current, the ampere levels at which are set
using an external resistor.
A synchronous serial port connects the IC to the CPU.
The different modes of control provided by this device including
Duty Control Register Set, Digit Set, Decode Set and Standby Set,
are all based on every 16−bit of serial data.
This devices are a product for the Pb free(Sn-Ag).
TB62709NG
TB62709FG
FEATURES
Control circuit power supply voltage
: VDD = 4.5 to 5.5 V
Digit output rating
: 17 V / −400 mA
Decoder output rating
: 17 V / 50 mA
Built−in decoder
Weight
SDIP24-P-300-1.78 : 1.62 g (typ.)
SSOP24-P-300-1.00 : 0.32 g (typ.)
: Decodes the numerals 0 to 9, certain alphabetic
characters, and of course blanks code.
Digit control function
: Can scan digit outputs DIG−0 to DIG−3 when connected
to the common anode pins of a 7−segment display.
Maximum transmission frequency
: fCLK = 15 MHz
Decoder outputs (OUT−A to OUT−Dp)
Output current can be set up to a 40mA maximum using an external resistor.
Constant current tolerance (Ta = 25°C, VDD = 5.0 V)
: Variation between bits = ±7%, variation between devices
(including variation between bits) = ±15% at VCE ≥ 0.7 V
Package
: 24−pin SDIP (SDIP24−P−300−1.78)
24−pin SSOP (SSOP24−P−300−1.00)
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