| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 14 Pin |
| Case/Package | SOIC-14 |
| Supply Current | 1.8 mA |
| Number of Circuits | 4 Circuit |
| Number of Channels | 4 Channel |
| Number of Positions | 14 Position |
| Common Mode Rejection Ratio | 120 dB |
| Input Offset Drift | 0.00 V/K |
| Bandwidth | 11 MHz |
| Slew Rate | 20.0 V/μs |
| Gain Bandwidth Product | 11 MHz |
| Input Offset Voltage | 1 mV |
| Input Bias Current | 2 pA |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -55 ℃ |
| Gain Bandwidth | 11 MHz |
| Minimum CMRR Range | 120 dB |
| Supply Voltage (Max) | 18 V |
| Supply Voltage (Min) | 2.25 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Each |
| Size-Length | 8.75 mm |
| Size-Width | 4 mm |
| Size-Height | 1.5 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The OPA1644AID is a quad JFET-input ultralow distortion low-noise Operational Amplifier for use with broadcast studio equipment. The rail-to-rail output swing allows increased headroom, making this device ideal for use in any audio circuit. Features include 5.1nV/√Hz noise, low THD+N (0.00005%), a low input bias current of 2pA and low quiescent current of 1.8mA per channel. This device operates over a very wide supply voltage range of ±2.25 to ±18V. The operational amplifier is unity-gain stable and provide excellent dynamic behaviour over a wide range of load conditions. The quad version features completely independent circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded.
● Superior sound quality
● Unity gain stable
● No phase reversal
● Rail-to-rail output
● 126dB Typical CMRR
● Green product and no Sb/Br
TI
The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications
TI
TEXAS INSTRUMENTS OPA1644AID Operational Amplifier, Quad, 4 Amplifier, 11MHz, 20V/µs, ± 2.25V to ± 18V, SOIC, 14Pins
TI
TEXAS INSTRUMENTS OPA1644AIPW Operational Amplifier, Quad, 4 Amplifier, 11MHz, 20V/µs, ± 2.25V to ± 18V, TSSOP, 14Pins
TI
OPA1641/1642/1644 SoundPLUS™ High-Performance, JFET-Input Audio OpAmps 14-TSSOP -40℃ to 85℃
TI
OPA1641/1642/1644 SoundPLUS™ High-Performance, JFET-Input Audio OpAmps 14-SOIC -40℃ to 85℃
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