INA1650 Datasheet, PDF (1/39 Pages) Texas Instruments – SoundPlus High Common-Mode Rejection Line Receiver

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INA1650
SBOS818 – DECEMBER 2016
INA1650 SoundPlus™ High Common-Mode Rejection Line Receiver
1 Features
•1 High Common-Mode Rejection:
91 dB (Typical)
• High Input Impedance: 1 MΩ Differential
• Ultra-Low Noise: –104.7 dBu, unweighted
• Ultra-Low Total Harmonic Distortion + Noise:
–120 dB THD+N (22 dBu, 22-kHz Bandwidth)
• Wide Bandwidth: 2.7 MHz
• Low Quiescent Current: 10.5 mA (Typical)
• Short-Circuit Protection
• Integrated EMI Filters
• Wide Supply Range: ±2.25 V to ±18 V
• Available in Small TSSOP-14 Package
2 Applications
• Differential Audio Interfaces
• Audio Input Circuitry
• Line Drivers
• Audio Power Amplifiers
• Audio Analyzers
• High-End Audio and Video (A/V) Receivers
3 Description
The INA1650 SoundPlus™ audio line receiver
achieves an extremely high common-mode rejection
ratio (CMRR) of 91 dB while maintaining ultra-low
THD+N of –120 dB at 1 kHz for 22-dBu signal levels.
The excellent CMRR performance of the INA1650 is
achieved through precise matching of on-chip
resistors which deliver far superior matching
compared to external components and are immune to
mismatches introduced by printed circuit board (PCB)
layout. Unlike other line receiver products, the
INA1650 CMRR is characterized over temperature
and tested in production to deliver consistent
performance in a wide variety of applications.
The INA1650 operates over a very-wide-supply range
of ±2.25 V to ±18 V, on 10.5 mA of supply current. In
addition to the two line-receiver channels, a buffered
midsupply reference output is included to allow the
INA1650 to be configured for dual- or single-supply
applications. The mid-supply output can be used as a
bias voltage for other analog circuitry in the signal
chain.
The INA1650 features a unique internal layout for
lowest crosstalk and freedom from interactions
between channels, even when overdriven or
overloaded. This device is specified from –40°C to
+125°C.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
INA1650
TSSOP (14)
4.40 mm × 5.00 mm
(1) For all available packages, see the package option addendum
at the end of the data sheet.
INA1650 Simplified Internal Schematic
VCC
VEE
IN+ A
COM A
+
OUT A
±
IN- A
VCC
REF A
VMID(IN)
VEE
IN- B
COM B
REF B
±
OUT B
+
IN+ B
Copyright © 2016, Texas Instruments Incorporated
1
CMRR Histogram (5746 Channels)
25
20
15
10
5
0
CMRR ( V/V)
C001
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.