7210

NTE7210
Integrated Circuit
2-Channel AF Power Amp
for Car Stereo, 5.5W/Ch
Features:
D Dual Channel (5.5W x 2 Typ)
D Low Pop Noise at the Time of Power Supply ON/OFF an Good Starting Balance
D Good Ripple Rejection: 46dB Typ
D Good Channel Separation
D Low Residual Noise (Rg = 0)
D On-Chip Protection:
Thermal Protection
Overvoltage/Surg Protection
Adjacent Pins (Pin7-Pin8, Pin6-Pin7) Short Protection
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage
Quiescent (t = 30s), VCCmax1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V
Operating, VCCmax2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Surge Supply Voltage (t ≤ 0.2s), VCCsurge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V
maximum Output Current (Per Channel), IOpeak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5A
Allowable Power Dissipation, Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40° to +150°C
Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V
Recommended Load Resistance (2 Channels), RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Ω
Operating Voltage Range, VCCop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V to 16V
Electrical Characteristics:
Parameter
(TA = +25°C, VCC = 13.2V, RL = 4Ω, f = 1kHz, Rg = 600Ω, Note 1 unless
otherwise specified)
Symbol
Test Conditions
Min
Typ
Max
Unit
Quiescent Current
ICCO
-
75
150
mA
Voltage Gain
VG
49.5
51.5
53.5
dB
Output Power
PO
5.0
5.5
-
W
-
0.2
1.0
%
-
30
-
kΩ
Rg = 0
-
0.6
1.0
mV
Rg = 10kΩ
-
1.0
2.0
mV
Total Harmonic Distortion
Input Resistance
Output Noise Voltage
THD
THD = 10%, 2 Channels
PO = 1W
ri
VNO
Ripple Rejection
SVRR
Rg = 0, VCCR = 200mV, fr = 100Hz
-
46
-
dB
Channel Separation
CHsep
Rg = 10kΩ, VO = 0dBm
45
55
-
dB
Note 1. With 100 x 100 1.5mm3 Al heat sink.
Pin Connection Diagram
(Front View)
13
12
11
10
9
8
7
6
5
4
3
2
1
Input 1
Preamp GND
NF 1
Power Amp GND
Bootsrap 1
Output 1
VCC
Output 2
Bootstrap 2
Power Amp GND
NF 2
DC
Input 2
.095
(2.4)
1.010 (25.6)
.134 (4.4) Dia
.548
(13.9)
.607
(15.4)
1
13
.178
(4.5)
.079 (2.0)