NJM2762RB2

2-Channel Audio Limiter

The NJM2762RB2 is a 2-channel audio limiter from Nisshinbo Micro Devices Inc.. View the full NJM2762RB2 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

NJM2762RB2 shares its datasheet with NJM2762V-TE2, whose page lists every part number it covers.

Official NJM2762RB2 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Nisshinbo Micro Devices Inc.

NJM2762RB2 Key Specifications

Parameter	Value
Crosstalk	-70dB
Output Noise	-100dBV (-90dBV max)
Ripple Rejection	-70dBV
Limit Level Range	180mVrms to 1Vrms
Operating Current	2.5mA (typ)
Supply Voltage Range	2.7V to 13.0V
Total Harmonic Distortion	1% (max)
Operating Temperature Range	-40°C to +85°C

NJM2762RB2 Overview

Part: NJM2762 — Nisshinbo Micro Devices

Type: 2-Channel Audio Limiter

Description: Dual-channel audio limiter IC operating from 2.7 V to 13 V with adjustable limit levels from 180 mVrms to 1 Vrms for speaker protection.

Operating Conditions:

Supply voltage: 2.7 to 13 V
Operating temperature: -40 to +85 °C

Absolute Maximum Ratings:

Max supply voltage: +14 V
Max junction/storage temperature: -40 to +125 °C (Storage Temperature Range)

Key Specs:

Operating current: 2.5 mA typ, 3 mA max (V+ = 5 V, no signal, SW = 0)
Reference voltage: 2.2 V min, 2.5 V typ, 2.8 V max (V+ = 5 V, no signal)
Limit level 1: 180 mVrms typ (130 to 230 mVrms, V+ = 5 V, VIN = 1 Vrms, RL = 10 kΩ, f = 1 kHz, Rsense = 8 kΩ)
Limit level 2: 1.0 Vrms typ (0.7 to 1.3 Vrms, V+ = 13 V, VIN = 2 Vrms, Rsense = 40 kΩ)
Output noise: -100 dBV (10 μVrms) typ, -90 dBV (31.6 μVrms) max (RS = 0 Ω, A-weighting)
Total harmonic distortion: 1% max (VIN = 1 Vrms, RL = 10 kΩ, f = 1 kHz, Rsense = 8 kΩ)
Crosstalk: -70 dB max (f = 1 kHz, BW = 400 Hz to 30 kHz)
Ripple rejection: -70 dBV max (Vripple = 100 mVrms)

Features:

Wide operating voltage (2.7 V to 13.0 V)
Variable limit level via external resistor
Balanced attenuation sensing both channels independently
Low output noise
Limiter ON/OFF control terminal

Applications:

PC audio applications
Audio products requiring speaker protection

Package:

MSOP10 (TVSP10)
SSOP14

NJM2762RB2 Features

Wide Operating Voltage
Variable Limit Level by external resistor
Low Output Noise
Bipolar Technology
Package Outline

NJM2762RB2 Pin Configuration

No.	Symbol	Function
1	V+	Power Supply Terminal
2	OUTa	Ach Output Terminal
3	INa	Ach Input Terminal
4	INT	Smoothing Capacitor Terminal
5	VREF	Reference Voltage Terminal
6	SENSE	Preset Limit Level Terminal
7	SW	Limiter On/Off Control Terminal
8	INb	Bch Output Terminal
9	OUTb	Bch Input Terminal
10	GND	Ground

NJM2762RB2 Electrical Characteristics

POWER SUPPLY (Ta=25 C, V + =5V, SW=0 unless otherwise specified)

PARAMETER	SYMBOL	TEST CONDITION	MIN.	TYP.	MAX.	UNIT
Operating Voltage	V +		2.7	5	13	V
Operating Current	I CC	No signal	-	2.5	3	mA
Reference Voltage	V ref	No signal	2.2	2.5	2.8	V

NJM2762RB2 Absolute Maximum Ratings

PARAMETER	SYMBOL	RATING	UNIT
Supply Voltage	V +	+14	V
Power Dissipation	P D	320 [MSOP10(TVSP10)] 300 [SSOP14]	mW
Maximum Input Voltage	V IMAX	0 ~ V + (Note1)	V
Operating Temperature Range	Topr	-40 ~ +85	C
Storage Temperature Range	Tstg	-40 ~ +125	C

(Note1) Don't put Input Voltage more than Power Supply Voltage.

NJM2762RB2 Typical Application

RSENSE Setting => See graph on page 9

SSOP14

NJM2762RB2 Package Information

NJM2762RB2 MSOP10 (TVSP10)

2.7V to 13.0V 180mVrms to 1Vrms -90dBV max.

MSOP10 (TVSP10)* SSOP14 *MEET JEDEC MO-187-DA / THIN TYPE

NJM2762V (SSOP14)

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part Number	Manufacturer	Package
NJM2762	Nisshinbo Micro Devices Inc.	—
NJM2762RB2-TE2	Nisshinbo	MSOP-10
NJM2762V	Nisshinbo Micro Devices Inc.	SSOP-14
NJM2762V-TE2	Nisshinbo Micro Devices Inc.	SSOP-14
NJM2762V(TE2)	Nisshinbo	SSOP-14

More datasheets

All Nisshinbo Micro Devices datasheets (4)

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