STA333ML13TR STMicroelectronics, STA333ML13TR Datasheet
STA333ML13TR
Specifications of STA333ML13TR
Available stocks
Related parts for STA333ML13TR
STA333ML13TR Summary of contents
Page 1
... Cradle Digital speaker Wireless speaker cradle Table 1. Device summary Order code STA333ML STA333ML13TR February 2010 Description STA333ML is a single die embedding digital audio processing and high-efficiency power amplification, capable of operating without the aid of an external microcontroller. The STA333ML is part of the Sound Terminal™ ...
Page 2
Contents Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3
STA333ML 1 Block diagram Figure 1. Block diagram interface Volume control PLL Protection current/thermal Logic Power control DDX Regulators Bias Doc ID 13177 Rev 5 Block diagram Channel 1A Channel 1B Channel 2A Channel 2B 3/20 ...
Page 4
Pin description 2 Pin description Figure 2. Pin connection (top view) GND_SUB TEST_MODE VSS_REG VCC_REG GND_REG VDD_REG CONFIG Table 2. Pin description Pin 1 GND_SUB 2 FMT 3 TEST_MODE 4 VSS_REG 5 VCC_REG 6 OUT2B 7 GND2 8 VCC2 9 ...
Page 5
STA333ML Table 2. Pin description (continued) Pin 11 VCC1 12 GND1 13 OUT1A 14 GND_REG 15 VDD_REG 16 CONFIG 17 N.C. 18 N.C. 19 N.C. 20 N.C. 21 VDD_DIG 22 GND_DIG 23 PWRDN 24 VDD_PLL 25 FILTER_PLL 26 GND_PLL 27 ...
Page 6
Electrical specifications 3 Electrical specifications 3.1 Absolute maximum ratings Table 3. Absolute maximum ratings Symbol V Power supply voltage (pins VCC1, VCC2 Logic input interface L V Digital supply (pin VDD_DIG Operating junction temperature op T ...
Page 7
STA333ML 3.4 Electrical specifications - digital section Table 6. Electrical specifications for digital section Symbol I Input current without bias il device Low level input voltage il V High level input voltage ih V Low level output ...
Page 8
Electrical specifications Table 7. Electrical specifications for power section (continued) Symbol Supply current from V in power down CC I vcc Supply current from V in operation CC Supply current DDX processing (reference only) I vdd_dig Supply current in standby ...
Page 9
STA333ML 3.6 Power on sequence Figure 3. Power-on sequence VCC VCC VCC VCC VDD_Dig VDD_Dig VDD_Dig VDD_Dig XTI XTI XTI XTI Reset Reset Reset Reset PWDN PWDN PWDN PWDN TR = minimum time between XTI master clock stable and reset ...
Page 10
Functional description 4 Functional description 4.1 Serial audio interface protocols The STA333ML serial audio input interfaces with standard digital audio components and accepts serial data formats. The STA333ML always acts as a slave when receiving audio input from standard digital ...
Page 11
STA333ML 4.2 Fault detect recovery bypass The on-chip STA333ML power output block provides feedback to the digital controller using inputs to the power control block. The fault input is used to indicate a fault condition (either over-current or thermal). When ...
Page 12
Applications 5 Applications 5.1 Applications schematic Figure 8 below shows the schematic of a typical application for the STA333ML. Concerning the power supplies, take care when designing the PCB layout. In particular, the 3.3-Ω resistors on the digital supplies (VDD_DIG) ...
Page 13
STA333ML 5.2 Internal voltage reference An embedded voltage regulator produces the reference voltages for the DMOS bridge driver. It requires two 100 nF capacitors to keep the regulator stable. The capacitors should be place close to the pins. Figure 9. ...
Page 14
Applications 5.4 Typical output configuration Figure 11 and Figure 12 Please refer to the application note for all the other recommended output configurations. Figure 11. Output configuration for stereo BTL mode OUT1A OUT1B OUT2A OUT2B 14/20 show the typical output ...
Page 15
STA333ML Figure 12. Filterless output configuration OUT1A OUT1B OUT2A OUT2B The filterless application is more critical in terms of EMI quite important to follow the below suggestion: Tracks from amplifier to speaker should be as short as possible. ...
Page 16
Package thermal characteristics 6 Package thermal characteristics Using a double layer PCB the thermal resistance junction to ambient with 2 copper ground areas The dissipated power within the device depends primarily on the supply voltage, ...
Page 17
STA333ML 7 Package mechanical data Figure 15 shows the package outline and Figure 15. PowerSSO-36 EPD outline drawing Table 8 gives the dimensions. Doc ID 13177 Rev 5 Package mechanical data 17/20 ...
Page 18
Package mechanical data Table 8. PowerSSO-36 EPD dimensions Symbol Min A 2.15 A2 2.15 a1 0.00 b 0.18 c 0.23 D 10. 10. 0.60 ...
Page 19
STA333ML 8 Revision history Table 9. Document revision history Date 1-Feb-2007 2-May-2008 4-Nov-2008 28-Jan-2010 3-Feb-2010 Revision 1 Initial release. 2 Package information update Added Table 6: Electrical specifications for digital section on page 7 Updated Table 7: Electrical specifications for ...
Page 20
... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...