AD1984JCPZ-REEL Analog Devices Inc, AD1984JCPZ-REEL Datasheet - Page 11

• Manufacturer Part Number: AD1984JCPZ-REEL
• Description: IC CODEC HD AUDIO 4CH 48-LFCSP
• Manufacturer: Analog Devices Inc
• Series: SoundMAX®r
• Type: Audio Codec, HDr

Specifications of AD1984JCPZ-REEL

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 4 / 4
• Sigma Delta: No
• Voltage - Supply, Analog: 3.13 V ~ 3.46 V
• Voltage - Supply, Digital: 2.97 V ~ 3.63 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-VFQFN, CSP Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 3. AD1884 Pin Descriptions (Continued)
Mnemonic
AV
MIC_BIAS_IN
5.0 V or 3.3 V
AV
The symbols used in this table are defined as: I = Input, O = Output, LI = Line Level Input, LO = Line Level Output, HP = Output capable of
driving headphone load, MIC = Input supports microphones with MIC bias and boost amplifier.
DD
SS
3.3 V
Pin No.
25, 38
33
26, 42
I/O
I
I
I
Rev. 0 | Page 11 of 16 | January 2007
Description
CAUTION: DO NOT APPLY 5 V TO THESE PINS!
Analog Supply Voltage 3.3 V ONLY.
Note: AV
audio performance.
Source Power for Microphone Bias Boost Circuitry.
Connect this pin to 5.0 V via a low-pass filter. When connected this way the AD1884 is
capable of providing +3.9 V as a mic bias to all of the mic bias pins (except on
Pin 31).
If 5 V is not available, connect this pin to +3.3 V (AV
The AD1884 produces a mic bias voltage relative to the AV
(typically 3.0 V @ AV
Analog Supply Return (Ground). AV
conductive trace under, or close to, the AD1884.
DD
supplies should be well regulated and filtered as supply noise degrades
DD
= 3.3 V).
SS
should be connected to DV
DD
) via a low-pass filter.
DD
supply
SS
using a
AD1884