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TS421

Features: ` OPERATING FROM Vcc=2V to 5.5V` STANDBY MODE ACTIVE HIGH (TS419) or LOW (TS421)` OUTPUT POWER into 16: 367mW @ 5V with 10% THD+N max or 295mW @5V and110mW @3.3V with 1% THD+N max.` LOW CURRENT CONSUMPTION: 2.5mA max` High Signal-to-Noise ratio: 95dB(A) at 5V` PSRR: 56dB typ. at 1kHz, 46...

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SeekIC No. : 004528718 Detail

TS421: Features: ` OPERATING FROM Vcc=2V to 5.5V` STANDBY MODE ACTIVE HIGH (TS419) or LOW (TS421)` OUTPUT POWER into 16: 367mW @ 5V with 10% THD+N max or 295mW @5V and110mW @3.3V with 1% THD+N max.` LOW CU...

TS421 Data Sheet

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Part Number:
TS421
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` OPERATING FROM Vcc=2V to 5.5V
` STANDBY MODE ACTIVE HIGH (TS419) or LOW (TS421)
` OUTPUT POWER into 16: 367mW @ 5V  with 10% THD+N max or 295mW @5V and110mW @3.3V with 1% THD+N max.
` LOW CURRENT CONSUMPTION: 2.5mA max
` High Signal-to-Noise ratio: 95dB(A) at 5V
` PSRR: 56dB typ. at 1kHz, 46dB at 217Hz
` SHORT CIRCUIT LIMITATION
` ON/OFF click reduction circuitry
` Available in SO8, MiniSO8 & DFN 3x3


Application

· 16/32 ohms earpiece or receiver speaker driver
· Mobile and cordless phones (analog / digital)
· PDAs & computers
· Portable appliances


Pinout

Connection Diagram


Specifications

Symbol
 Parameter
Value
Unit
VCC
 Supply voltage1)
6
V
Vi
 Input Voltage
-0.3V to VCC +0.3V
V
Tstg
 Storage Temperature
-65 to +150
Tj
 Maximum Junction Temperature
150
Rthja
 Thermal Resistance Junction to Ambient
SO8
MiniSO8
DFN8
175
215
70
/W
Pd
 Power Dissipation 2)
SO8
MiniSO8
DFN8
0.71
0.58
1.79
W
ESD
 Human Body Model (pin to pin): TS4193), TS421
1.5
kV
ESD
 Machine Model - 220pF - 240pF (pin to pin)
100
V
Latch-up
 Latch-up Immunity (All pins)
200
mA
  Latch-up ImmunityLead Temperature (soldering, 10sec)
250
  Output Short-Circuit to Vcc or GND
continous 4)
1. All voltage values are measured with respect to the ground pin.
2. Pd has been calculated with Tamb = 25°C, Tjunction = 150°C.
3. TS419 stands 1.5KV on all pins except standby pin which stands 1KV.
4. Attention must be paid to continous power dissipation (VDD x 300mA). Exposure of the IC to a short circuit for an extended time period is
    dramatically reducing product life expectancy.


Description

The TS419/TS421 is a monaural audio power amplifier driving in BTL mode a 16 or 32 earpiece or receiver speaker. The main advantage of this configuration
is to get rid of bulky ouput capacitors. Capable of descending to low voltages, it delivers up to 220mW per channel (into 16 loads) of continuous average power with 0.2% THD+N in the audio bandwidth from a 5V power supply.

An externally controlled standby mode reduces the supply current to 10nA (typ.). The TS419/ TS421 can be configured by external gain-setting resistors or used in a fixed gain version.




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