OPA1641/1642/1644 SoundPLUS? High-Performance, JFET-Input Audio OpAmps 14-SOIC -40 to 85
4-CH Stereo Class-AB Audio Amp, 14-Pin SOIC, SMT Product overview: OPA1644AID from Texas Instruments is an Operational Amplifier IC for signal conditioning, buffering, current sensing, analog measurement, filtering, and precision control. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include SOIC. Search-friendly keywords include op amp, operational amplifier, buffer amplifier, current sense, SOIC, Operational Amplifier IC, OP Amps, Buffer Amps ICs. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 687-OPA1644AID can be used for catalog matching and distributor lookup.
Manufacturer: Texas Instruments
Win Source Part Number: 1233371-OPA1644AID
Series: SoundPlus
Packaging: Tube
Operating Temperature Range: -40°C ~ 85°C
Package: 14-SOIC (0.154", 3.90mm Width)
Number of Circuits: 4
Mounting: SMD
Output Type: Rail-to-Rail
Amplifier Type: Audio
Current - Input Bias: 2pA
Voltage - Input Offset: 1mV
Family Name: OPA1644
Categories: Integrated Circuits (ICs)
Operating Supply Current: 1.8mA
Manufacturer Homepage: www.ti.com
Manufacturer Package: 14-SOIC
Output Current per Channel: 36mA
SR - Slew Rate: 20 V/μs
GBP - Gain Bandwidth Product: 11MHz
Dual Supply Voltage (±): 4.5 V ~ 36 V, ±2.25 V ~ 18 V
Alternative Parts (Cross-Reference): OPA1644AIPW; OPA1644AIPWR; OPA1644AIDR;
Introduction Date: September 01, 2009
ECCN: EAR99
Country of Origin: Malaysia
Estimated EOL Date: 2028
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 43 pct.
Supply and Demand Status: Limited
Audio Amplifier 4 Circuit Rail-to-Rail 14-SOIC
Audio Amplifiers SoundPLUS Hi-Perf JFET-In Audio OpAmps
Audio Amplifier 4 Circuit Rail-to-Rail 14-SOIC
IC AUDIO 4 CIRCUIT 14SOIC
IC, OP AMP, JFET, 11MHZ, 14SOIC; No. of Amplifiers:4 Amplifier; Bandwidth:11MHz; Slew Rate:20V/µs; Supply Voltage Range:± 2.25V to ± 18V; Amplifier Case Style:SOIC; No. of Pins:14Pins; Operating Temperature Min:-55°C; Operating RoHS Compliant: Yes
IC AUDIO 4 CIRCUIT 14SOIC
| Texas Instruments | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | VAST STOCK CO., LIMITED | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | Newark, An Avnet Company | Lingto Electronic Limited | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | Audio Amplifier Chips | Operational Amplifiers | Operational Amplifiers | Operational Amplifiers | Operational Amplifiers | Operational Amplifiers | Operational Amplifiers | Operational Amplifiers | Operational Amplifiers |
| Product Number | OPA1644AID | 687-OPA1644AID | 1233371-OPA1644AID | 296-27457-5-ND | OPA1644AID | OPA1644AID | OPA1644AID | 29AH6922 | OPA1644AID |
| Product Name | OPA1644 OPA1641/1642/1644 SoundPLUS? High-Performance, JFET-Input Audio OpAmps | SOIC Operational Amplifier IC | Linear - Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps - OPA1644AID | Instrumentation, Op Amps, Buffer Amps | Audio Amplifiers | Instrumentation, OP Amps, Buffer Amps | Integrated Circuits (ICs) - Linear - Amplifiers | Ic, Op Amp, Jfet, 11Mhz, 14Soic; No. Of Amplifiers Texas Instruments | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| RoHS Compliant | RoHS | ||||||||
| Supply Voltage (VS) | 5 to 36 volts | 4.5 volts | 2.25 to 18 volts | ||||||
| Operating Temperature | -40 to 85 C (-40 to 185 F) | -40 C (-40 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -55 C (-67 F) | |||
| Package Type | SOIC,TSSOP | SOIC | SOIC; "14-SOIC (0.154"", 3.90mm Width)" | SOIC; 14-SOIC (0.154\", 3.90mm Width) | Surface Mount | ||||
| Number of Pins | 14 | 14 |
