OPA2822 SpeedPlus Dual Wideband, Low-Noise Operational Amplifier | TI.com

OPA2822 (ACTIVE) SpeedPlus Dual Wideband, Low-Noise Operational Amplifier

SpeedPlus Dual Wideband, Low-Noise Operational Amplifier - OPA2822
Datasheet
 

Description

The OPA2822 offers very low 2.0nV/Hz input noise in a wideband, unity gain stable, voltage-feedback architecture. Intended for xDSL receiver applications, the OPA2822 also supports this low input noise with exceptionally low harmonic distortion, particularly in differential configurations. Adequate output current is provided to drive the potentially heavy load of a passive filter between this amplifier and the codec. Harmonic distortion for a 2Vpp differential output operating from +5V to +12V supplies is ≤ –100dBc through 1MHz input frequencies. Operating on a low 4.8mA/ch supply current, the OPA2822 can satisfy all xDSL receiver requirements over a wide range of possible supply voltages—from a single +5V condition, to ±5V, on up to a single +12V design.

General-purpose applications on a single +5V supply will benefit from high input and output voltage swing available on this reduced supply voltage. Low-cost precision integrators for PLLs will also benefit from the low voltage noise and offset voltage. Baseband I/Q receiver channels can achieve almost perfect channel match with noise and distortion to support signals through 5MHz with > 14-bit dynamic range.

Features

  • LOW INPUT NOISE VOLTAGE: 2.0nV/Hz
  • HIGH UNITY GAIN BANDWIDTH: 500MHz
  • HIGH GAIN BANDWIDTH PRODUCT: 240MHz
  • HIGH OUTPUT CURRENT: 90mA
  • SINGLE +5V TO +12V OPERATION
  • LOW SUPPLY CURRENT: 4.8mA/ch
  • APPLICATIONS
    • xDSL DIFFERENTIAL LINE RECEIVERS
    • HIGH DYNAMIC RANGE ADC DRIVERS
    • LOW NOISE PLL INTEGRATORS
    • TRANSIMPEDANCE AMPLIFIERS
    • PRECISION BASEBAND I/Q AMPLIFIERS
    • ACTIVE FILTERS

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Parametrics

Compare all products in High-speed op amps (GBW>=50MHz) Email Download to Excel
Part number Order Architecture Number of channels (#) Total supply voltage (Min) (+5V=5, +/-5V=10) Total supply voltage (Max) (+5V=5, +/-5V=10) BW @ Acl (MHz) Acl, min spec gain (V/V) Slew rate (Typ) (V/us) Vn at flatband (Typ) (nV/rtHz) Vn at 1 kHz (Typ) (nV/rtHz) Iq per channel (Typ) (mA) Vos (offset voltage @ 25 C) (Max) (mV) Rail-to-rail Features Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG) CMRR (Typ) (dB) Input bias current (Max) (pA) Offset drift (Typ) (uV/C) GBW (Typ) (MHz) Output current (Typ) (mA) 2nd harmonic (dBc) 3rd harmonic (dBc) @ MHz
OPA2822 Order now Voltage FB     2     5     12     400     1     170     2     2     4     1.2     No       Catalog     -40 to 85     SOIC | 8
VSSOP | 8    
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)    
110     18000000     5     400     150     91     100     1    
OPA4820 Order now Voltage FB     4     5     12     650     1     240     2.5     2.5     5.6     0.8     No       Catalog     -40 to 85     SOIC | 14
TSSOP | 14    
14SOIC: 52 mm2: 6 x 8.65 (SOIC | 14)
14TSSOP: 32 mm2: 6.4 x 5 (TSSOP | 14)    
85     20000000     4     650     85     84     92     1    
OPA820 Order now Voltage FB     1     5     12     800     1     240     2.5     2.5     5.6     1.1     No       Catalog     -40 to 85     SOIC | 8
SOT-23 | 5    
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)    
85     16000000     4     800     110     85     95     1    
THS6062 Samples not available DSL Line Driver     2