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PCA9550D датащи(PDF) 2 Page - NXP Semiconductors |
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PCA9550D датащи(HTML) 2 Page - NXP Semiconductors |
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2 / 26 page ![]() PCA9550_5 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 05 — 13 October 2008 2 of 26 NXP Semiconductors PCA9550 2-bit I2C-bus LED driver with programmable blink rates I ESD protection exceeds 2000 V HBM per JESD22-A114, 150 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101 I Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA I Packages offered: SO8, TSSOP8 (MSOP8), HVSON8 3. Ordering information [1] Also known as MSOP8. 3.1 Ordering options 4. Block diagram Table 1. Ordering information Type number Package Name Description Version PCA9550D SO8 plastic small outline package; 8 leads; body width 3.9 mm SOT96-1 PCA9550DP TSSOP8[1] plastic thin shrink small outline package; 8 leads; body width 3 mm SOT505-1 PCA9550TK HVSON8 plastic thermal enhanced very thin small outline package; no leads; 8 terminals; body 3 × 3 × 0.85 mm SOT908-1 Table 2. Ordering options Type number Topside mark Temperature range PCA9550D PCA9550 Tamb = −40 °C to +85 °C PCA9550DP 9550 Tamb = −40 °C to +85 °C PCA9550TK 9550 Tamb = −40 °C to +85 °C Only one I/O shown for clarity. Fig 1. Block diagram of PCA9550 A0 002aad241 I2C-BUS CONTROL INPUT FILTERS PCA9550 POWER-ON RESET SCL SDA VDD VSS LEDn RESET OSCILLATOR PRESCALER 1 REGISTER PRESCALER 0 REGISTER PWM1 REGISTER PWM0 REGISTER INPUT REGISTER LED SELECT (LS0) REGISTER BLINK0 BLINK1 0 1 |
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