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STw5210
24-bit, 103 dB SNR audio DAC with playback time extender
Data Brief
Features
DAC - 24-bit audio DAC - 103 dB dynamic range for the full audio path - THD -66 dB (0.0 5%) on 32 - Sampling rate: 8 kHz to 48 kHz - Operating mode selection: PTETM playback time extender or standard (continuous) mode - SNR and consumption adjustable by register (4 steps) Supply - Direct connection to the battery (2.7 V to 4.8 V) thanks to integrated power management - I/O supply: 1.62 V to 3.6 V Power consumption - Stand-by: 1 W - Playback: 44 mW for 103 dB SNR, 29 mW for 94 dB SNR PTETM function - Integrated programmable PTETM memory to store up to 100 ms of music (5120 x 24-bit stereo words). - Empty PTETM memory detection pin - Auto-reset interrupt Inputs - I2S digital input up to 50 MHz (in PTETM mode) - Stereo single ended or differential analog input Clock - 32 kHz only needed in PTETM mode - System clock input (13 MHz, 19.2 MHz, 26 MHz and 38.4 MHz) for standard (continuous) mode - Internal PLL
VQFPN-44 7x7x1mm 0.5mm pitch
TFBGA-40 4x4x1.2mm 0.5mm pitch
WLCSP-36 2.6x2.6x0.6mm 0.4mm pitch
Analog output drivers - Stereo headset amplifier - `True ground' output amplifier (no coupling capacitor). - 2x50 mW on 32 and 2x80 mW on 16 - 66 dB programmable gain - Plug detection, click/pop suppression, independent right and left channel shutdown control - Stereo differential line out RoHS (lead-free) packages
Description
The STw5210 is a 24-bit high performance DAC for mobile handset application with 103 dB dynamic range for the whole audio path. It embeds an innovative PTETM function that reduces drastically the whole application power consumption. In this mode, the music is played back autonomously, while the whole system is switched to power saving condition. The IC is then driven by the 32 kHz clock only. The device can be used also in a conventional way (continuous mode) and be driven by the system clock. STw5210 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) and no additional quartz is required in PTETM mode, when the PLL is driven by the 32 kHz frequency.
January 2008
Rev 1
1/3
www.st.com
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For further information contact your local STMicroelectronics sales office.
Block diagram
STw5210
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Block diagram
Figure 1. STw5210 block diagram
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Ordering information
Table 1. Order codes
Package TFBGA40
(1)
Part number STW52100K/HK STW52100KT/HF STW521062/HF STW521062T/HF STW521025T/LF
1. ECOPACK(R) package
Packing Tray Tape and reel Tray Tape and reel
4 mm x 4 mm x 1.2mm, pitch 0.5 mm
TFBGA40(1) 4 mm x 4 mm x 1.2mm, pitch 0.5 mm VQFPN44(1) VQFPN44(1) WLCSP36(1) 7 mm x 7 mm x 1 mm, pitch 0.5 mm 7 mm x 7 mm x 1 mm, pitch 0.5 mm
2.6 mm x 2.6 mm x 0.6 mm, pitch 0.4 mm Tape and reel
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Revision history
Table 2.
Date 24-Jan-2008
Document revision history
Revision 1 Initial release. Changes
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STw5210
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