STA505 STMicroelectronics, STA505 Datasheet - Page 5

• Manufacturer Part Number: STA505
• Description: IC AMP AUDIO PWR 50W D POWERSO36
• Manufacturer: STMicroelectronics
• Type: Class Dr

Specifications of STA505

• Output Type: 1-Channel (Mono) or 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 50W x 2 @ 8 Ohm, 80W x 1 @ 8 Ohm
• Voltage - Supply: 10 V ~ 36 V
• Features: Thermal Shutdown Protection
• Mounting Type: Surface Mount
• Package / Case: PowerSO-36 Exposed Top Pad
• Operational Class: Class-AB
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 10@8Ohm@50W%
• Single Supply Voltage (typ): 12/15/18/24/28V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Single Supply Voltage (min): 10V
• Single Supply Voltage (max): 36V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 90C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 36
• Package Type: PSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2142; 497-2142-5; 497-2142

Table 7.
Notes: 1. The following table explains the VLow, VHigh variation with V
Note 2: See relevant Application Note AN1994
Table 8. Logic Truth Table (see fig. 5)
I
Symbol
PWRDN-H
I
TRI-STATE
PWRDN
t
I
VCC-hiz
I
V
pw-min
I
V
FAULT
VCC-q
I
V
VCC-
VCC
High
Low
UV
2.7
3.3
V
5
0
1
1
1
1
L
High level PWRDN pin input
current
Low logical state voltage VLow
(pin PWRDN, TRISTATE) (note 1)
High logical state voltage VHigh
(pin PWRDN, TRISTATE) (note 1)
Supply current from Vcc in Power
Down
Output Current pins
FAULT -TH-WARN when
FAULT CONDITIONS
Supply current from Vcc in Tri-
state
Supply current from Vcc in
operation
both channel switching)
Isc (short circuit current limit)
(note 2)
Undervoltage protection threshold
Output minimum pulse width
VLow min
0.85
0.7
0.8
INxA
x
0
0
1
1
Parameter
VHigh max
1.85
1.5
1.7
INxB
x
0
1
0
1
Unit
V
V
PWRDN = 0
Vpin = 3.3V
Tri-state=0
Input pulse width = 50% Duty;
Switching Frequency = 384KHz;
No LC filters;
No Load
V
V
V
L
L
OFF
OFF
OFF
ON
ON
Q1
= 3.3V
= 3.3V
Test conditions
L
OFF
OFF
OFF
ON
ON
Q2
OFF
OFF
OFF
ON
ON
Q3
Min.
0.8
3.5
70
Typ.
OFF
OFF
OFF
35
22
50
ON
ON
Q4
1
6
7
Max.
150
1.7
3
8
NEGATIVE
POSITIVE
OUTPUT
Not used
MODE
DUMP
STA505
Hi-Z
Unit
mA
mA
mA
mA
µA
ns
V
V
A
V
5/10