Page 1
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA8119P
Stereo Headphone Amplifier (3V USE)
The TA8119P is developed for play−back stereo headphone player
(3V use), which is built−in preamplifiers, power amplifiers (for
headphone) and DC volume controls.
Features
· Built−in DC volume controls
· Coupling condenser−less for input of preamplifier
· The loop gain of power amplifier is 30dB (typ.), in case that
DC volume is at maximum
· Available of external input signal from DC volume stage
· Low quiescent current (V
I
= 9mA (typ.)
CCQ
· Operating supply voltage range (Ta = 25°C)
V
CC (opr)
= 1.8~6V
Block Diagram
= 3V, Ta = 25°C)
CC
Weight: 1.00g (typ.)
TA8119P
1
2002-10-30
Page 2
Pin Function
Terminal Voltage: Typical Terminal Voltage at no Signal with Test Circuit
(VCC = 3V, Ta = 25°C)
TA8119P
Pin
Pin Name Contents Equivalent
No.
1 PRE GND — — 0
2 PRE INA
15 PRE INB
3 PRE NFA
14 PRE NFB
4 PRE OUTA
13 PRE OUTB
5 PW INA
12 PW INB
6 V
REG
Input of preamplifier 1.3
NF of preamplifier
Output of preamplifier
Input of power amplifier for
headphone
(through DC volume stage)
Rpple filter of power supply 2.6
Terminal
Voltage (V)
1.3
1.3
1.3
16 V
7 PW OUTA
10 PW OUTB
8 PW GND — — 0
9 VCC — — 3
11 V
Reference voltage
REF
Output of power amplifier
Input of control voltage for
CTL
volume control
1.3
1.3
—
2
2002-10-30
Page 3
Application Note
TA8119P
(1) A volume which has the characteristic “curve A” is available for
the DC volume control.
(2) The capacitor C is used for absorbing volume sliding noise.
(3) The DC volume control circuit is applicable to “function of mute”,
connecting as Fig.1.
In case of tuning mute-on, the load of “reference voltage circuit”
is R, at maximum volume.
(4) Small temperature coefficient and excellent frequency
characteristic is needed by capacitors below.
· Oscillation preventing capacitors for power amplifier output.
· Capacitor between V
· Capacitor between VCC and GND.
· Capacitor between V
Maximum Ratings
Characteristic Symbol Rating Unit
Supply voltage VCC 7 V
Output current I
Power dissipation PD (Note) 750 mW
Operating temperature T
Storage temperature T
and GND.
REF
and GND.
REG
(Ta = 25°C)
120 mA
O (peak)
-25~75 °C
opr
-55~150 °C
stg
(Note) Derated above Ta = 25°C in the proportion of 6mW / °C.
3
2002-10-30
Page 4
Electrical Characteristics
Unless Otherwise Specified, VCC = 3V, Ta = 25°C, f = 1kHz
Preamplifier: RL = 10kΩ, Vol = Min
Power Amplifier: RL = 32Ω, Vol = Max
Test
Characteristic Symbol
I
Quiescent supply current
Open loop voltage
gain
Closed loop voltage
gain
Maximum output
voltage
Total harmonic
distortion
Preamplifier section
Equivalent input noise
voltage
Ripple rejection ratio RR1 —
Output power
Voltage gain (1) GV1 28 30 32 dB
Channel balance CB
Voltage gain (2) GV2 — Vo = -12dBV, Vol = mid — 15 — dB
Total harmonic
distortion
Output noise voltage Vno —
Power amplifier section
Maximum attenuation ATT —
Ripple rejection ratio RR2 —
(1) Po1 — THD = 10% 20 27 —
(2) P
CCQ1
I
CCQ2
G
VO
G
VC
V
om
THD1 — V
V
o2
THD2 Po = 10mW — 0.5 1.2
THD3
Cir-
cuit
— Vin = 0, Vol = min — 9.0 13.0
— Vin = 0, Vol = max — 11.0 —
— Vo = -12dBV 55 62 — dB
— NAB = 1kHz, Vo = -12dBV — 33 — dB
— THD = 1% 600 720 — mV
R
—
ni
— RL = 16Ω, THD = 10% — 39 —
BPF = 30Hz~20kHz
NAB (G
R
V
— V
—
P
R
BPF = 30Hz~20kHz
V
Vol = max→min
R
V
Test Condition Min. Typ. Max. Unit
= -12dBV — 0.04 0.1 %
o
= 2.2kΩ
g
= 33dB, f = 1kHz)
V
= 2.2kΩ
g
= -22dBV, fr = 100Hz
r
= -12dBV
o
= 10mW, Vol = mid — 0.3 —
o
= 600Ω
g
= -12dBV
o
= 600Ω
g
= -22dBV, fr = 100Hz
r
TA8119P
mA
rms
— 1.2 2.0 µV
— 46 — dB
— 0 1.5 dB
— 250 320 µV
66 72 — dB
— 46 — dB
rms
mW
%
rms
R
= 2.2kΩ
Cross talk (ch-A / ch-B) CT —
Total
g
V
= -12dBV, Vol = max
o
34 40 — dB
4
2002-10-30
Page 5
Test Circuit
TA8119P
5
2002-10-30
Page 6
Switch State For Electrical Characteristics
Characteristic SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8
I
× × a a b c ○ a
CCQ1
I
× × a a b a ○ a
CCQ2
GVO ○ ○ b a b c ○ a
GVC ○ ○ a a b c ○ a
Vom ○ ○ a a b c ○ a
THD1 ○ ○ a a b c ○ a
Vni × × a a b c ○ a
RR1 × × a a b c × a
Po1 × × a a a a ○ a
Po2 × × a a a a ○ b
GV1 × × a a a a ○ a
CB × × a a a a ○ a
GV2 × × a a a b ○ a
THD2 × × a a a a ○ a
THD3 × × a a a b ○ a
Vno × × a a b a ○ a
ATT × × a a a a→c ○ a
RR2 × × a a b c × a
CT ○ / × × / ○ a b c a ○ a
TA8119P
○: Short ×: Open
6
2002-10-30
Page 7
Characteristic Curves
Unless Otherwise Specified: VCC = 3V, f = 1kHz, Ta = 25°C
Preamplifier: RL = 10kΩ, Vol = Min
Power Amplifier: RL = 32Ω, Vol = Max
TA8119P
7
2002-10-30
Page 8
TA8119P
8
2002-10-30
Page 9
TA8119P
9
2002-10-30
Page 10
Package Dimensions
Weight: 1.00g (typ.)
TA8119P
10
2002-10-30
Page 11
TA8119P
A
RESTRICTIONS ON PRODUCT USE
· TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc..
· The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this
document shall be made at the customer’s own risk.
· The products described in this document are subject to the foreign exchange and foreign trade laws.
· The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other
rights of the third parties which may result from its use. No license is granted by implication or otherwise under
any intellectual property or other rights of TOSHIBA CORPORATION or others.
000707EB
· The information contained herein is subject to change without notice.
11
2002-10-30
Page 12
This datasheet has been download from:
www.datasheetcatalog.com
Datasheets for electronics components.
Loading...