TA2170FLG Datasheet, PDF (10/13 Pages) Toshiba Semiconductor – Low Current Consumption Headphone Amplifier (Built-in Input Selector)

Test Circuit
V_CC1
TA2170FLG
V_CC
SW1 _{PW SW}
(a)
(b)
19
(a)
SW2 ^{100 kΩ}
(b)
ALL
MUTE
20
SW3
(a)
100 kΩ
MUTE3
21
(b)
SW4
(b)
(a)
100 kΩ
MUTE2
22
SW5b
(a)
100
kΩ
MUTE1A
23
(b)
(a)
SW5a ^{100 kΩ}
(b)
MUTE1
24
RF
18 ^IN
BIAS
GND
17
16 ^VCC1 15 ^OUT
TA2170FLG
BIAS OUT
14 ^IN 13 ^ADJ
R_g = 600 Ω
IN1_{A SW8a}
12
(a)
1 µF _(b) ^{600 Ω}
R_g = 600 Ω
IN1_{B SW8b}
11
(a)
1 µF _(b) ^{600 Ω}
R_g = 600 Ω
IN2_{A SW7a}
10
(a)
1 µF _(b) ^{600 Ω}
R_g = 600 Ω
IN2_{B SW7b}
9
(a)
1 µF _(b) ^{600 Ω}
R_g = 600 Ω
IN3_A
8
SW6a
1 µF _(b)
(a)
600 Ω
R_g = 600 Ω
IN3_{B SW6b}
7
(a)
1 µF _(b) ^{600 Ω}
1
EQ_A
2
3
OUT_A PW
GND
0.22 µF
4
5
OUT_B EQ_B
0.22 µF
6
V_CC2
V_CC2
OUT_A
R_L
OUT_B
R_L
10
2006-04-19