TS487IQT STMicroelectronics, TS487IQT Datasheet - Page 3

• Manufacturer Part Number: TS487IQT
• Description: IC AMP AUDIO PWR .108W STER 8DFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS487IQT

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 108mW x 2 @ 16 Ohm
• Voltage - Supply: 2 V ~ 5.5 V
• Features: Depop, Short-Circuit Protection, Standby
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 0.108x2@16OhmW
• Audio Amplifier Function: Headphone
• Input Offset Voltage: 1(Typ)@5VmV
• Input Bias Current: 200nA
• Total Harmonic Distortion: 0.3@16Ohm@90mW%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Supply Current (max): 2.5@5VmA
• Power Supply Requirement: Single
• Power Dissipation: 1.79W
• Unity Gain Bandwidth Product (typ): 1.1MHz
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 58dB
• Single Supply Voltage (min): 2V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIXED GAIN VERSION SPECIFIC ELECTRICAL CHARACTERISTICS
V
1.
APPLICATION COMPONENTS INFORMATION
TYPICAL APPLICATION SCHEMATICS
Components
CC
Symbol
R
R
C
See figure 30 to establish the value of Cin vs. -3dB cut off frequency.
from +5V to +2V, GND = 0V, T
IN 1,2
R
C
FEED1,2
OUT1,2
G
C
C
IN1,2
IN1,2
S
B
Input Resistance
Gain value for Gain TS486/TS487-1
Gain value for Gain TS486/TS487-2
Gain value for Gain TS486/TS487-4
Inverting input resistor which sets the closed loop gain in conjunction with R
forms a high pass filter with C
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminal.
Feedback resistor which sets the closed loop gain in conjunction with R
A
Supply Bypass capacitor which provides power supply filtering.
Bypass capacitor which provides half supply filtering.
Output coupling capacitor which blocks the DC voltage at the load input terminal.
This capacitor also forms a high pass filter with RL (fc = 1 / (2 x Pi x R
V
= Closed Loop Gain= -R
1)
amb
Parameter
= 25°C (unless otherwise specified)
FEED
IN
/R
(fc = 1 / (2 x Pi x R
IN
. Not needed in fixed gain versions.
Functional Description
IN
x C
IN
)) . Not needed in fixed gain versions.
Min.
L
IN
x C
.
OUT
FEED
12dB
Typ.
0dB
6dB
20
)).
. This resistor also
TS486-TS487
Max.
Unit
k
dB
3/31