TS4994IQT STMicroelectronics, TS4994IQT Datasheet - Page 3

• Manufacturer Part Number: TS4994IQT
• Description: IC AMP AUDIO PWR 1W MONO 10DFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4994IQT

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1W x 1 @ 8 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Features: Depop, Differential Inputs, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• For Use With: 497-6396 - BOARD EVAL FOR LV TS4984IQT497-6395 - BOARD EVAL FOR LP DIFF TS4994IQT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TS4994
1
Application component information
Figure 1.
Components
GND
Diff. input -
Diff. Input +
R
R
C
C
C
feed
in
in
b
s
Optional
Typical application, DFN10 version
220nF
220nF
Cin1
Cin2
Supply bypass capacitor that provides power supply filtering.
Bypass capacitor that provides half supply filtering.
Feedback resistor that sets the closed loop gain in conjunction with R
A
Inverting input resistor that sets the closed loop gain in conjunction with R
Optional input capacitor making a high pass filter together with R
(F
V
CL
= closed loop gain = R
Rin1
20k
Rin2
20k
= 1/(2πR
+
GND
Cb
1u
in
C
in
).
2
4
5
GND
Rfeed1
20k
Vin-
Vin+
Bypass
Mode
VCC
feed
3
GND
/R
Functional description
in
VCC
Stdby
1
.
Application component information
9
VCC
GND
7
VCC
GND
Standby
-
+
Bias
+
Rfeed2
20k
GND
Cs
1u
TS4994IQ
in
.
Vo+
Vo-
in
10
6
feed
.
8 Ohms
3/35