njw1124 New Japan Radio Co.,Ltd, njw1124 Datasheet - Page 9

• Manufacturer Part Number: njw1124
• Description: Njw1124 Voice Switched Speakerphone Circuit
• Manufacturer: New Japan Radio Co.,Ltd

-10
-100
-10
-20
-30
-40
-50
-60
50
40
30
20
10
-10
-20
-30
-40
-50
-60
-70
-80
-90
10
TYPICAL CHARACTERISTICS
0
10
0
0
10
0
0
(V+=3.3V , MICAMP GAIN=40dB, Rf=300k , Ri=3k , A-weighted)
(V+=3.3V , MICAMP GAIN=0dB, Rf=3k , Ri=3k , A-weighted)
Gv=40dB, Rf=300k , Vin=1mV
Gv=0dB, Rf=3k , Vin=100mV
0.5
0.5
MUTE Pin Voltage vs MUTE ATT Ratio
MUTE Pin Voltage vs MUTE ATT Ratio
100
85℃
85℃
(V+=3.3V , RL=5.1k , Cin=1 F, Rin=3k )
-40℃
MICAMP Gain vs Frequency
-40℃
MUT PIN Voltage [V]
MUT PIN Voltage [V]
1
Frequency [Hz]
1
25℃
25℃
1000
1.5
1.5
10000
2
2
-40℃
-40℃
25℃
85℃
25℃
85℃
100000
2.5
2.5
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-10
10
50
40
30
20
10
10
0
0
0
10
0
0
(V+=4.0V , MICAMP GAIN=40dB, Rf=300k , Ri=3k , A-weighted)
(V+=4.0V , MICAMP GAIN=0dB, Rf=3k , Ri=3k , A-weighted)
Gv=40dB, Rf=300k , Vin=1mV
Gv=0dB, Rf=3k , Vin=100mV
0.5
0.5
MUTE Pin Voltage vs MUTE ATT Ratio
MUTE Pin Voltage vs MUTE ATT Ratio
85℃
100
85℃
(V+=4.0V , RL=5.1k , Cin=1 F, Rin=3k )
-40℃
-40℃
MUT PIN Voltage [V]
MICAMP Gain vs Frequency
MUT PIN Voltage [V]
1
1
Frequency [Hz]
25℃
25℃
1000
1.5
1.5
NJW1124
10000
2
2
-40℃
-40℃
25℃
85℃
25℃
85℃
– 9 –
2.5
100000
2.5