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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 up to 2 x 80 mW over 32 - 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
1/3
www.st.com 3
For further information contact your local STMicroelectronics sales office.
Block diagram
STw5200
1
Block diagram
Figure 1. Functional block diagram of the STw5200
STw5200
Line IN ampli Stereo line OUT Stereo Headset N o or acit Cap
24-bit 24-bit audio DAC audio DAC Analog Analog audio audio mixing mixing matrix matrix
Supply Supply management management IC 32 kHz PLL
-2V
103 dB 103 dB Stereo Stereo audio audio DAC DAC
MCLK IS
SRC SRC
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Ordering information
Table 1. Order codes
Package TFBGA-40 4 mm x 4 mm x 1.2mm, pitch 0.5 mm TFBGA-40 4 mm x 4 mm x 1.2mm, pitch 0.5 mm WLCSP-36 2.6 mm x 2.6 mm x 0.65 mm, pitch 0.4 mm VQFPN-44 7 mm x 7 mm x 1 mm, pitch 0.5 mm VQFPN-44 7 mm x 7 mm x 1 mm, pitch 0.5 mm Tray Tape and reel Tape and reel Tray Tape and reel Packing
Order codes STW52000K/HF STW52000KT/HF STW520025T/LF STW520062/HF STW520062T/HF
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Revision history
Table 2.
Date 14-Jan-2008
Document revision history
Revision 1 Initial release. Changes
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STw5200
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