NJM2761RB2-TE1

NJM2761
-
1
-
Ver.0.5E
Audio Limiter
GENERAL DESCRIPTION
The NJM2761 is the audio limiter for speaker protection.
The limit level is adjustable by external resistor.
It is suitable for PC, potable audio and others.
FEATURES
Wide Operating Voltage +2.7V to +13.0V
Variable Limit Level by external resistor 0.2 to1V
Low Output Noise -90dBV max.
Bipolar Technology
Package Outline TVSP10, SSOP14
BLOCK DIAGRAM
PACKAGE OUTLINE
NJM2761RB2 NJM2761V
Vcc
INT SENSE
OUTb
OUTa
INb
INa
Vref
SW
NJM2761
-
2
-
PIN CONFIGURATION
TVSP10
SSOP14
1. V+
2. OUTa
3. INa
4. INT
5. VREF
6. NC
7. NC
8. NC
9. NC
10. SENCE
11. SW
12. INb
13. OUTb
14. GND
1. V+
2. OUTa
3. INa
4. INT
5. VREF
6. SENCE
7. SW
8. INb
9. OUTb
10. GND
14
13
12
11
10
1
2
3
4
5
6
7
9
8
10
9
8
7
6
1
2
3
4
5
NJM2761
-
3
-
ABSOLUTE MAXIMUM RATING (Ta=25C)
PARAMETER SYMBOL
RATINGS UNIT
Supply Voltage V
+
14 V
Power Dissipation P
D
320(TVSP10)
300(SSOP14)
mW
Operating Temperature Range T
opr
-20 to +75 C
Storage Temperature Range T
stg
-40 to +125 C
ELECTRICAL CHARACTERISTICS
POWER SUPPLY (Ta=25C, V
+
=5V unless otherwise specified)
PARAMETER SYMBOL
TEST CONDITION MIN. TYP. MAX. UNIT
Operating Voltage V
+
- 2.7 5.0 13.0 V
Operating Current I
CC
No Signal - 1.5 2.0 mA
Reference Voltage Vref No Signal 2.2 2.5 2.7 V
AC CHARACTERISTICS
(Ta=25C, V
+
=5V, V
IN
=1Vrms/f=1kHz, Rsense=20k, BW=400-30kHz unless otherwise specified)
PARAMETER SYMBOL
TEST CONDITION MIN.
TYP. MAX. UNIT
Limit Level 1 G
LIM1
150 200 250 mVrms
Limit Level 2 G
LIM2
V
+
=13V,Rsense=4k,V
IN
=2Vrms
0.7 1.0 1.3 Vrms
Limit Off G
OFF
SW=2V 0.9 1.0 1.1 Vrms
Output Noise V
NO
R
S
=0, A-weighting,
-
-100
(10)
-90
(31.6)
dBV
(Vrms)
Total Harmonic Distortion THD+N - - 1 %
Cross Talk CT - - -70 dB
Ripple Rejection RR V
ripple
=100mVrms, f=1kHz - -
-70
(316)
dBV
(Vrms)
CONTROL CHARACTERISTICS (Ta=25C, V
+
=5V unless otherwise specified)
PARAMETER SYMBOL
TEST CONDITION MIN. TYP. MAX. UNIT
Low Level Input Voltage V
IL
- - - 0.5 V
High Level Input Voltage V
IH
- 2.0 - - V
CONTROL TERMINAL EXPLANATION
SW(TVSP10:7pin, SSOP14:11pin)
MODE STATUS
NOTE
Limiter ON L Limiter is active.
Limiter OFF H Limiter is not active.

NJM2761RB2-TE1

Mfr. #:
Manufacturer:
NJR (New Japan Radio)
Description:
Audio Amplifiers Audio Limiter
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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