TDA1308 查看數據表（PDF） - Philips Electronics
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TDA1308 Datasheet PDF : 16 Pages
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Philips Semiconductors
Class AB stereo headphone driver
Product specification
TDA1308; TDA1308A
FEATURES
• Wide temperature range
• No switch ON/OFF clicks
• Excellent power supply ripple rejection
• Low power consumption
• Short-circuit resistant
• High performance
– high signal-to-noise ratio
– high slew rate
– low distortion
• Large output voltage swing.
GENERAL DESCRIPTION
The TDA1308; TDA1308A is an integrated class AB stereo
headphone driver contained in an SO8, DIP8 or a TSSOP8
plastic package. The device is fabricated in a 1 mm CMOS
process and has been primarily developed for portable
digital audio applications.
The difference between the TDA1308 and the TDA1308A
is that the TDA1308A can be used at low supply voltages.
QUICK REFERENCE DATA
VDD = 5 V; VSS = 0 V; Tamb = 25 °C; fi = 1 kHz; RL = 32 Ω; unless otherwise specified.
SYMBOL
VDD
VSS
IDD
Ptot
Po
(THD + N)/S
S/N
αcs
PSRR
Tamb
PARAMETER
supply voltage
single
dual
supply voltage
single
dual
negative supply voltage
supply current
total power dissipation
maximum output power
total harmonic distortion
plus noise-to-signal ratio
CONDITIONS
TDA1308
TDA1308A
no load
no load
THD < 0.1%; note 1
note 1
RL = 5 kΩ; note 2
RL = 5 kΩ; note 3
RL = 5 kΩ
signal-to-noise ratio
channel separation
RL = 5 kΩ
power supply ripple rejection fi = 100 Hz; Vripple(p-p) = 100 mV
ambient temperature
MIN. TYP. MAX. UNIT
3.0 5.0 7.0 V
1.5 2.5 3.5 V
2.4 5.0 7.0 V
1.2 2.5 3.5 V
−1.5 −2.5 −3.5 V
−
3
5
mA
−
15
25
mW
−
60
−
mW
−
0.03 0.06 %
−
−70 −65 dB
−
−92 −89 dB
−
−52 −40 dB
−
−101 −
dB
100 110 −
dB
−
70
−
dB
−
105 −
dB
−
90
−
dB
−40 −
+85 °C
Notes
1. VDD = 5 V; VO(p-p) = 3.5 V (at 0 dB).
2. VDD = 2.4 V; VO(p-p) = 1.62 V (at −4.8 dBV); for TDA1308A only.
3. VDD = 2.4 V; VO(p-p) = 1.19 V (at −7.96 dBV); for TDA1308A only.
2002 Jul 19
2
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