STMICROELECTRONICS STW520062/HF

34.807IRELESS
IMPORTANT NOTICE
Dear customer,
As from August 2nd 2008, the wireless operations of STMicroelectronics have moved to a
new company, ST-NXP Wireless.
As a result, the following changes are applicable to the attached document.
●
Company name - STMicroelectronics NV is replaced with ST-NXP Wireless.
●
Copyright - the copyright notice at the bottom of the last page “© STMicroelectronics
200x - All rights reserved”, shall now read: “© ST-NXP Wireless 200x - All rights
reserved”.
●
Web site - http://www.st.com is replaced with http://www.stnwireless.com
●
Contact information - the list of sales offices is found at http://www.stnwireless.com
under Contacts.
If you have any questions related to the document, please contact our nearest sales office.
Thank you for your cooperation and understanding.
ST-NXP Wireless
34.807IRELESS
www.stnwireless.com
STw5200
24-bit, 103 dB SNR audio DAC
Data Brief
Features
■
DAC
– 24-bit audio DAC
– 103 dB dynamic range
– Asynchronous DAC path with 8 to 48kHz
sampling rate
■
Supply
– Direct connection to the battery thanks to
integrated power management
■
Inputs
– I2S digital input
■
Analog output drivers
– Stereo headset amplifier:
- ‘True ground’ output amplifier (no coupling
capacitor)
- Driving capacity: 2 x 50 mW over 32 Ω up
to 2 x 80 mW over 32 Ω
- Plug detection
- Click/pop suppression
VFQFPN-44 7x7x1.0 mm, 0.5 mm pitch
TFBGA-40 4x4x1.2 mm, 0.5 mm pitch
WLCSP-36 2.55x2.55x0.65 mm, 0.4 mm pitch
Description
The STw5200 is a 24-bit high performance DAC
for mobile handset application with 103 dB
dynamic range for the whole audio path.
The device can be driven either by the system
clock or by the 32 kHz RTC clock.
STw5200 is very easy to integrate and thanks to
its embedded power management, it can be
directly connected to the battery.
The device foot print is very small as the EBOM is
reduced to a few components. The 50 mW
headset amplifier is of “True-ground” type (no
coupling capacitor).
January 2008
Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
3
Block diagram
1
STw5200
Block diagram
Figure 1.
Functional block diagram of the STw5200
STw5200
Line IN
24-bit
24-bit
audio
audio DAC
DAC
ampli
Analog
Analog
audio
audio
mixing
mixing
matrix
matrix
Stereo
line OUT
Stereo
Headset
N o or
acit
Cap
2
-2V
32 kHz
PLL
103
103 dB
dB
Stereo
Stereo
audio
audio
DAC
DAC
SRC
SRC
MCLK
I²S
Order codes
Order codes
Package
Packing
STW52000K/HF
TFBGA-40 4 mm x 4 mm x 1.2mm, pitch 0.5 mm
Tray
STW52000KT/HF
TFBGA-40 4 mm x 4 mm x 1.2mm, pitch 0.5 mm
Tape and reel
STW520025T/LF
WLCSP-36 2.6 mm x 2.6 mm x 0.65 mm, pitch 0.4 mm
Tape and reel
STW520062/HF
VQFPN-44 7 mm x 7 mm x 1 mm, pitch 0.5 mm
Tray
STW520062T/HF
VQFPN-44 7 mm x 7 mm x 1 mm, pitch 0.5 mm
Tape and reel
Revision history
Table 2.
2/3
I²C
Ordering information
Table 1.
3
Supply
Supply
management
management
Document revision history
Date
Revision
14-Jan-2008
1
Changes
Initial release.
STw5200
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