Denon RBD-X1000, Service Manual

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TAS5611
www.ti.com SLAS681 –NOVEMBER 2009
PIN FUNCTIONS (continued)
PIN
Function
(1)
DESCRIPTION
NAME PHD NO. DKD NO.
READY 19 19 O Normal operation; open drain; active high
RESET 2 4 I Device reset Input; active low
SD 15 17 O Shutdown signal, open drain, active low
Power supply for digital voltage regulator requires a 10-μF capacitor in parallel
VDD 64 2 P
with a 0.1-μF capacitor to GND for decoupling.
VI_CM 6 8 O Analog comparator reference node requires close decoupling of 1nF to GND
VREG 9 11 P Digital regulator supply filter pin requires 0.1-μF capacitor to GND
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81
Block Diagram
TAS5611
SLAS681 –NOVEMBER 2009 www.ti.com
PIN FUNCTIONS
PIN
Function
(1)
DESCRIPTION
NAME PHD NO. DKD NO.
AGND 8 10 P Analog ground
BST_A 54 43 P HS bootstrap supply (BST), external 0.033 μ F capacitor to OUT_A required.
BST_B 41 34 P HS bootstrap supply (BST), external 0.033 μ F capacitor to OUT_B required.
BST_C 40 33 P HS bootstrap supply (BST), external 0.033 μ F capacitor to OUT_C required.
BST_D 27 24 P HS bootstrap supply (BST), external 0.033 μ F capacitor to OUT_D required.
CLIP 18 — O Clipping warning; open drain; active low
C_STARTUP 3 5 O Startup ramp requires a charging capacitor of 4.7 nF to GND in BTL mode
FREQ_ADJ 12 14 I PWM frame rate programming pin requires resistor to GND
7, 23, 24, 57,
GND 9 P Ground
58
GND_A 48, 49 38 P Power ground for half-bridge A
GND_B 46, 47 37 P Power ground for half-bridge B
GND_C 34, 35 30 P Power ground for half-bridge C
GND_D 32, 33 29 P Power ground for half-bridge D
GVDD_A 55 — P Gate drive voltage supply requires 0.1 μ F capacitor to GND_A
GVDD_B 56 — P Gate drive voltage supply requires 0.1 μ F capacitor to GND_B
GVDD_C 25 — P Gate drive voltage supply requires 0.1 μ F capacitor to GND_C
GVDD_D 26 — P Gate drive voltage supply requires 0.1 μ F capacitor to GND_D
GVDD_AB — 44 P Gate drive voltage supply requires 0.22 μ F capacitor to GND_A/GND_B
GVDD_CD — 23 P Gate drive voltage supply requires 0.22 μ F capacitor to GND_C/GND_D
INPUT_A 4 6 I Input signal for half bridge A
INPUT_B 5 7 I Input signal for half bridge B
INPUT_C 10 12 I Input signal for half bridge C
INPUT_D 11 13 I Input signal for half bridge D
M1 20 20 I Mode selection
M2 21 21 I Mode selection
M3 22 22 I Mode selection
NC 59–62 – — No connect, pins may be grounded.
OC_ADJ 1 3 O Analog overcurrent programming pin requires 30k Ω resistor to GND.
13 15 I/O Oscillator master/slave output/input.
OSC_IO– 14 16 I/O Oscillator master/slave output/input.
OTW — 18 O Overtemperature warning signal, open drain, active low.
OTW1 16 — O Overtemperature warning signal, open drain, active low.
OTW2 17 — O Overtemperature warning signal, open drain, active low.
OUT_A 52, 53 39, 40 O Output, half bridge A
OUT_B 44, 45 36 O Output, half bridge B
OUT_C 36, 37 31 O Output, half bridge C
OUT_D 28, 29 27, 28 O Output, half bridge D
PSU_REF 63 1 P PSU Reference requires close decoupling of 330 pF to GND
Power supply input for half bridge A requires close decoupling of 2uF capacitor
PVDD_A 50, 51 41, 42 P
GND_A
Power supply input for half bridge B requires close decoupling of 2uF capacitor
PVDD_B 42, 43 35 P
GND_B
Power supply input for half bridge C requires close decoupling of 2uF
PVDD_C 38, 39 32 P
capacitor GND_C
Power supply input for half bridge D requires close decoupling of 2uF
PVDD_D 30, 31 25, 26 P
capacitor GND_D
(1) I = Input, O = Output, P = Power
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