STA529Q STMicroelectronics, STA529Q Datasheet - Page 23

• Manufacturer Part Number: STA529Q
• Description: IC AMP 2X100MW CLASS D 52VFQFPN
• Manufacturer: STMicroelectronics
• Series: Sound Terminal™r
• Type: Class Dr

Specifications of STA529Q

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 100mW x 2 @ 16 Ohm
• Voltage - Supply: 1.5 V ~ 1.95 V
• Features: Depop, I²C, I²S, Mute, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 52-VFQFN, 52-VFQFPN
• Ic Function: FFX Audio Codec Analogue & Digital Inputs, Class D Amplifier
• Brief Features: Up To 96dB Dynamic Range, FFX Class-D Driver
• Supply Voltage Range: 1.55V To 1.95V, 1.8V To 3.6V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8879

STA529
7
7.1
7.2
ADC
ADC performance values
Table 16.
Functional description
The STA529 analog input is provided through a low-power, low-voltage, stereo audio
analog-to-digital converter front end designed for audio applications. It includes a
programmable gain amplifier, anti-aliasing filter, low-noise microphone biasing circuit,
third-order MASH2-1 delta-sigma modulator, digital decimating filter and a first-order
DC-removal filter. This device is fabricated using a 0.18
high-speed precision analog circuits are combined with high-density logic circuits.
The ADC works in the microphone input (mic-in) mode and in the line-input mode. If the line
input mode is selected, the ADC is configured in stereo and all conversion channels are
active.
If the microphone input mode is selected, the ADC is configured in mono. The mono
channel is routed through the left conversion path, and the right conversion path is kept in
power-down mode to minimize power consumption. A programmable gain amplifier (PGA) is
available in mic-in mode, making it possible to amplify the signal from 0 to +42 dB in steps of
6 dB.
Dynamic range 1 kHz, A-weighted (3.3 V supply)
Dynamic range 1 kHz, A-weighted (1.8 V supply)
SNDR 1 kHz, A-weighted (3.3 V supply)
SNDR 1 kHz, A-weighted (1.8 V supply)
THD 1 kHz (-1 dB input) (3.3 V supply)
THD 1 kHz (-1 dB input) (1.8 V supply)
Cross talk (3.3 V supply)
Cross talk (1.8 V supply)
Programmable gain performance
Parameter
Doc ID 13095 Rev 2
µ
m CMOS process, where
Min
92
84
-85
-75
92
84
-80
-60
Typ
Max
dB
dB
dB
dB
dB
dB
dB
dB
Unit
23/55
ADC