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TDA8927 Datasheet, PDF (12/36 Pages) NXP Semiconductors – Power stage 2 x 80 W class-D audio amplifier | |||
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Philips Semiconductors
Power stage 2 Ã 80 W class-D
audio ampliï¬er
Objective speciï¬cation
TDA8927
12 DC CHARACTERISTICS
VP = ±25 V; Tamb = 25 °C; measured in test diagram of Fig.8; unless otherwise speciï¬ed.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
Supply
VP
Iq(tot)
supply voltage
total quiescent current
note 1
no load connected
outputs ï¬oating
±15
±25
â
35
â
5
Internal stabilizer logic supply (pin STAB or pins STAB1 and STAB2)
VO(STAB)
stabilizer output voltage
Switch inputs (pins SW1 and SW2)
11
13
VIH
HIGH-level input voltage
VIL
LOW-level input voltage
Control outputs (pins REL1 and REL2)
referenced to VSS
referenced to VSS
10
â
0
â
VOH
HIGH-level output voltage
VOL
LOW-level output voltage
Diagnostic output (pin DIAG, open-drain)
referenced to VSS
referenced to VSS
10
â
0
â
VOL
LOW-level output voltage
ILO
leakage output current
Enable inputs (pins EN1 and EN2)
IDIAG = 1 mA; note 2
0
â
no error condition
â
â
VIH
HIGH-level input voltage
VIL
LOW-level input voltage
VEN(hys)
hysteresis voltage
II(EN)
input current
Switching-on input (pin POWERUP)
referenced to VSS
referenced to VSS
â
9
0
5
â
4
â
â
VPOWERUP
operating voltage
II(POWERUP)
input current
Temperature protection
referenced to VSS
VPOWERUP = 12 V
5
â
â
100
Tdiag
Thys
temperature activating diagnostic
hysteresis on temperature
diagnostic
VDIAG = VDIAG(LOW)
VDIAG = VDIAG(LOW)
150
â
â
20
MAX.
±30
45
10
15
VSTAB
2
VSTAB
2
1.0
50
VSTAB
â
â
300
12
170
â
â
UNIT
V
mA
mA
V
V
V
V
V
V
µA
V
V
V
µA
V
µA
°C
°C
Notes
1. The circuit is DC adjusted at VP = ±15 to ±30 V.
2. Temperature sensor or maximum current sensor activated.
2001 Dec 11
12
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