NJM2770
- 2 -
■ ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Supply Voltage V
+
+5 V
Power Dissipation P
D
(MSOP8 (VSP8),
MSOP8 (TVSP8)) 400 mW
Operating Temperature Range Topr -40 to +85 °C
Storage Temperature Range Tstg -40 to +150 °C
■ ELECTRICAL CHARACTERISTICS (V
+
=3.0V,R
L
=8Ω,f=1kHz,1pin=2V,Ta=25°C,unless otherwise specified)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Operating Voltage Range V
+
2.0 - 4.5 V
Operating Current I
CC
R
L
=∞,no signal - 2.0 4.0 mA
Power Down Current I
CCD
R
L
=∞ 1pin=0.8V,no signal - 0.1 1.0 µA
Open Loop Gain A
V
1 Amp#A, f<100Hz 80 85 - dB
Closed Loop Gain A
V
2 Amp#B -0.35 0 +0.35 dB
Output Power P
O
1 THD=10% 110 250 - mW
P
O
2 V
+
=4.5V, R
L
=16Ω, THD=10% 200 400 - mW
Total Harmonic Distortion THD1 P
O
=100mW, G
VD
=6dB - 0.1 0.5 %
THD2 V
+
=4.5V, R
L
=16Ω, P
O
=150mW, G
VD
=6dB - 0.1 - %
Power Supply Rejection
Ratio SVR1 C1=∞, C2=0.01µF, DC 50 - - dB
(V
+
=3.0V-4.5V) SVR2
C1=0.1µF, C2 =0 - 35 - dB
SVR3 C1=1.0µF, C2=4.7µF - 70 - dB
Mute Attenuation MAT f =1kHz-20kHz, 1pin=0.8V - 80 - dB
Output Voltage V
O
1 0.95 1.10 1.25 V
(R
f
=20kΩ, DC) V
O
2 V
+
=4.5V, R
L
=16Ω - 1.85 - V
Output High Level V
OH
I
OUT
=-75mA, V
+
=2.0-4.5V - V
+
-1.0 - V
Output Low Level V
OL
I
OUT
=75mA, V
+
=2.0-4.5V - 0.21 - V
Output DC Offset ∆V
O
R
f
=20kΩ, 5pin-8pin -30 0 +30 mV
Input Bias Current I
B
4pin -100 - 100 nA
Equivalent Resistance R
+IN
3pin 100 170 220
kΩ
R
REF
2pin 18 26 40
kΩ
CD Input Voltage H V
CDH
1pin 2.0 - V
+
V
CD Input Voltage L V
CDL
1pin 0.0 - 0.8 V
CD Input Resistance R
CD
V
+
=V
CD
=4.5V, 1pin 50 85 175 kΩ
■ CONTROL TERMINAL EXPLANATION
CHIP DISABLE CONTROL(CD PIN)
PARAMETER CONTROL SIGNAL STATUS
CD OFF H(=V
CDH
) IC is active.
CD ON L(=V
CDL
) IC is standby. (with Mute)