AD1885 |
RFQ for AD1885 |
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| Technical/Catalog Information | AD1885JST |
| Vendor | Analog Devices Inc |
| Category | Integrated Circuits (ICs) |
| Type | Audio Codec '97 |
| Number of ADCs / DACs | 2 / 2 |
| Dynamic Range, ADCs / DACs (db) Typ | 87 / 90 |
| S/N Ratio, ADCs / DACs (db) Typ | - |
| Resolution (Bits) | 16 b |
| Voltage - Supply, Analog | 4.75 V ~ 5.25 V |
| Voltage - Supply, Digital | 3.15 V ~ 3.45 V |
| Mounting Type | Surface Mount |
| Package / Case | 48-LQFP |
| Packaging | Tray |
| Operating Temperature | 0°C ~ 70°C |
| Sigma Delta | Yes |
| Interface | Serial |
| RoHS Status | RoHS Non-Compliant |
| Other Names | AD1885JST AD1885JST |
| Product | Manufacturers | Pack | D/C |
| AD1885 | Analog Devices | QFP | - |
Analog Devices' AD1885 AC'97 SoundMAX? Codec provides stereo analog I/O on PC motherboard and peripheral devices, as part of the signal chain for delivery of high quality audio to PC-connected
Features |
| AC'97 2.1 FEATURES`Variable Sample Rate Audio`Multiple Codec Configuration Options`External Audio Power-Down ControlAC'97 FEATURES`AC'97 2.1-Compliant`Greater than 90 dB Dynamic Range`Stereo Headphone Amplifier`Multibit Converter Architecture for Improved S/N Ratio Greater than 90 dB`16-Bit Stereo Full-Duplex Codec`Four Analog Line-Level Stereo Inputs for:`LINE-IN, CD, VIDEO, and AUX`Two Analog Line-Level Mono Inputs for Speakerphone and PC BEEP`Mono MIC Input w/Built-In 20 dB Preamp, Switchable from Two External Sources`High Quality CD Input with Ground Sense`Stereo Line-Level Outputs`Mono Output for Speakerphone or Internal Speaker `Power Management Support`48-Terminal LQFP PackageENHANCED FEATURES`Full Duplex Variable Sample Rates from 7040 Hz to 48 kHz with 1 Hz Resolution`Jack Sense Pins Provide Automatic Output Switching`Software-Enabled VREFOUT Output for Microphones and External Power Amp`Split Power Supplies (3.3 V Digital/5 V Analog)`Mobile Low-Power Mixer Mode`Extended 6-Bit Master Volume Control`Extended 6-Bit Headphone Volume Control`Digital Audio Mixer |
| Parameter |
Min |
Max |
Unit |
| Power Supplies | |||
| Digital (AVDD) |
-0.3 |
+3.6 |
V |
| Analog (DVDD) |
0.3 |
+6.0 |
V |
| Input Current (Except Supply Pins) |
±10 |
mA | |
| Analog Input Voltage (Signal Pins) |
0.3 |
AVDD + 0.3 |
V |
| Digital Input Voltage (Signal Pins) |
-0.3 |
DVDD + 0.3 |
V |
| Ambient Temperature (Operating) |
0 |
+70 |
°C |
| Storage Temperature |
-65 |
+150 |
°C |
*Stresses greater than those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational