Texas Instruments LM4921ITL/NOPB Microcontrollers
16-bit stereo DAC with 50-mW stereo headphone amp & volume control 20-DSBGA -40 to 85
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM4921ITL/NOPB
Detailed Description
16-bit stereo DAC with 50-mW stereo headphone amp & volume control 20-DSBGA -40 to 85
Package
20-WFBGA, DSBGA
Lifecycle Status
Active
Datasheet
LM4921ITL/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM4921ITL/NOPB Microcontrollers technical specifications.
General
Package / Case
20-WFBGA, DSBGA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.6V ~ 5.5V
Features
DAC, I²S, Mute, Shutdown, SPI, Standby, Thermal Protection, Volume Control
Type
Class AB
Output Type
Headphones, 2-Channel (Stereo)
Max Output Power X Channels Load
50mW x 2 @ 32Ohm
Alternate Parts Comparison (LM4921ITL/NOPB vs LM3533TMX-40/NOPB vs LM3633YFQR vs LM3639AYFQR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-WFBGA, DSBGA | 20-WFBGA, DSBGA | 20-WFBGA, DSBGA | 20-WFBGA, DSBGA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) |
| Type | Class AB | DC DC Regulator | DC DC Regulator | DC DC Regulator |
| Frequency | -- | 500kHz, 1MHz | 500kHz, 1MHz | 500kHz, 4MHz |
| Applications | -- | Backlight | Backlight | Backlight |
| Current Output Channel | -- | 30mA | 30mA | 30mA, 750mA, 1.5A |
| Dimming | -- | PWM | PWM | PWM |
| Internal Switch S | -- | Yes | Yes | Yes |
| Number of Outputs | -- | 7 | 6 | 4 |
| Output Voltage | -- | 40V | 40V | 40V |
| Topology | -- | Step-Up (Boost), Switched Capacitor (Charge Pump) | Step-Up (Boost), Switched Capacitor (Charge Pump) | Step-Up (Boost) |
| Action |
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