TS4909IQT STMicroelectronics, TS4909IQT Datasheet - Page 6
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TS4909IQT
Manufacturer Part Number
TS4909IQT
Description
IC AMP AUDIO .158W STER AB 10DFN
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet
1.TS4909IQT.pdf
(32 pages)
Specifications of TS4909IQT
Output Type
Headphones, 2-Channel (Stereo)
Max Output Power X Channels @ Load
158mW x 2 @ 16 Ohm
Voltage - Supply
2.2 V ~ 5.5 V
Features
Depop, Standby
Mounting Type
Surface Mount
Package / Case
10-DFN
Operational Class
Class-AB
Audio Amplifier Output Configuration
2-Channel Stereo
Audio Amplifier Function
Headphone
Total Harmonic Distortion
0.3@16Ohm@90mW%
Single Supply Voltage (typ)
3/5V
Dual Supply Voltage (typ)
Not RequiredV
Supply Current (max)
4.8@5VmA
Power Supply Requirement
Single
Power Dissipation
1.79W
Rail/rail I/o Type
No
Power Supply Rejection Ratio
72dB
Single Supply Voltage (min)
2.2V
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
10
Package Type
DFN
For Use With
497-6380 - BOARD DEMO FOR TS4909Q
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-5992-2
Electrical characteristics
Table 5.
1. All electrical values are guaranteed with correlation measurements at 2.6V and 5V.
2. Guaranteed by design and evaluation.
6/32
Symbol
THD+N
Cross-
PSRR
I
SNR
V
STBY
P
t
talk
I
I
V
WU
CC
out
OO
out
O
Total harmonic
Supply current
Wake-up time
Output power
Power supply
rejection ratio
Output swing
Output offset
distortion +
Max output
Parameter
noise ratio
separation
Signal-to-
Standby
Channel
Electrical characteristics at V
with GND = 0V, T
voltage
current
(A
current
noise
v
=-1)
No input signal, no load, single-ended
No input signal, no load, phantom ground
No input signal, R
THD+N = 1% max, F = 1kHz, R
THD+N = 1% max, F = 1kHz, R
THD+N = 1% max, F = 1kHz, R
THD+N = 1% max, F = 1kHz, R
R
R
R
R
Inputs grounded
V
THD +N ≤ 1%, R
V
V
V
V
A-weighted, A
20kHz
R
R
Phantom ground configuration, floating inputs, R
Phantom ground configuration
Single-ended configuration
OL
OH
OL
OH
L
L
L
L
ripple
L
L
Single-ended output referenced to phantom ground
Single-ended output referenced to ground
Single-ended
Phantom ground
F = 1kHz
F = 20Hz to 20kHz
F = 1kHz
F = 20Hz to 20kHz
= 32Ω, P
= 16Ω, P
= 32Ω, P
= 16Ω, P
= 32Ω, A
= 32Ω, A
: R
: R
: R
: R
= 200mVpp
L
L
L
L
amb
= 32Ω
= 16Ω
= 32Ω
= 16Ω
= 25°C (unless otherwise specified)
out
out
out
out
v
v
=-1, phantom ground
=-1, single-ended
v
=-1, R
= 25mW, 20Hz ≤ F ≤ 20kHz, single-ended
= 40mW, 20Hz ≤ F ≤ 20kHz, single-ended
= 25mW, 20Hz ≤ F ≤ 20kHz, phantom ground
= 40mW, 20Hz ≤ F ≤ 20kHz, phantom ground
L
(2)
L
= 16Ω connected between out and V
=32Ω
, A
L
v
Test conditions
CC
=-1, RL>=16Ω , C
= 32Ω, THD +N < 0.4%, 20Hz ≤ F ≤
= +3.0V
L
L
L
L
= 32Ω, single-ended
= 16Ω, single-ended
= 32Ω, phantom ground
= 16Ω, phantom ground
b
=1μF, F = 217Hz,
feed
=22KΩ
CC
(1)
/2
Min. Typ. Max. Unit
2.45
2.6
20
30
20
30
64
59
0.12
2.83
0.19
2.70
-110
100
101
100
-73
-68
-90
2.8
0.3
0.3
0.3
0.3
10
31
52
31
54
70
65
82
50
2
5
1000
0.34
0.49
160
2.8
4.2
20
80
TS4909
mW
mA
mA
mV
ms
nA
dB
dB
dB
%
V