AD1987JCPZ-RL Analog Devices Inc, AD1987JCPZ-RL Datasheet - Page 11

• Manufacturer Part Number: AD1987JCPZ-RL
• Description: IC CODEC HD AUD SOUNMAX 48-LFCSP
• Manufacturer: Analog Devices Inc
• Series: SoundMAX®r
• Type: Audio Codec, HDr

Specifications of AD1987JCPZ-RL

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 4 / 8
• 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 5. AD1987 Pin Descriptions (Continued)
Mnemonic
POWER AND GROUND
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, SWAP = Outputs can swap L/R channels (typically used
to support C/LFE or shared C/LFE function).
DV
DV
DV
AV
MIC_BIAS_IN
AV
DD
SS
IO
SS
DD
3.3 V ±10%
3.3 V ±5%
3.3 V ±10%
Pin No.
33
3
4, 7
9
25, 38
26, 42
Function
I
I
I
I
I
I
Rev. A | Page 11 of 20 | March 2008
Description
Digital Supply I/O. Connect to the I/O voltage used for the HD audio controller
signals.
Digital Supply Return (Ground).
Digital Supply Voltage 3.3 V. This is regulated down to Pin 1 to supply the internal
digital core.
CAUTION: DO NOT APPLY 5.0 V TO THESE PINS!
Analog Supply Voltage 3.3 V ONLY.
Note: AV
audio performance.
Source for Microphone Bias Boost Circuitry.
Connect this pin to 5.0 V via a low-pass filter. When connected this way, the AD1987
is capable of providing +3.95 V as a mic bias to all of the mic bias pins.
If 5 V is not available, connect this pin to +3.3 V (AV
AD1987 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 AD1987.
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. The
DD
supply
SS
using a
AD1987