WM7133L datasheet(8/13 Pages) WOLFSON | Bottom Port Analogue Silicon Microphone

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WM7133L Datasheet(PDF) 8 Page - Wolfson Microelectronics plc

Part No.	WM7133L

Description	Bottom Port Analogue Silicon Microphone

Download	13 Pages

Scroll/Zoom	100%

Manufacturer	WOLFSON [Wolfson Microelectronics plc]

Direct Link	http://www.wolfsonmicro.com

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8 / 13 page

WM7133L

Pre-Production

PP, May 2014, Rev 3.1

CONNECTION TO A WOLFSON AUDIO CODEC

Wolfson provides a range of audio CODECs incorporating an analogue microphone input interface;

these support connection to silicon microphones such as the WM7133L.

The recommended connection of a WM7133L silicon microphone is illustrated in Figure 2 (for single-

ended mode) and Figure 3 (for pseudo-differential mode).

A DC blocking capacitor is required, as described in the previous section. A 2.2µF decoupling

capacitor is also recommended; this should be positioned close to the VDD pin of the WM7133L.

Further information on Wolfson audio CODECs is provided in the respective product datasheet, which

is available from the Wolfson website.

Figure 2 WM7133L Single-ended Connection

Figure 3 WM7133L Pseudo-differential Connection

Manufacturer	Part No.	Datasheet	Description
Wolfson Microelectronic...	WM7130A	340Kb / 12P	Bottom Port Analogue Silicon Microphone
	WM7130AE	340Kb / 12P	Bottom Port Analogue Silicon Microphone
	WM7132	338Kb / 12P	Bottom Port Analogue Silicon Microphone
Cirrus Logic	WM7132	727Kb / 12P	Bottom Port Analog Silicon Microphone
Wolfson Microelectronic...	WM7132E	338Kb / 12P	Bottom Port Analogue Silicon Microphone

Manufacturer	Part No.	Datasheet	Description
Wolfson Microelectronic...	WM7130A	340Kb / 12P	Bottom Port Analogue Silicon Microphone
	WM7132	338Kb / 12P	Bottom Port Analogue Silicon Microphone
	WM7120A	178Kb / 12P	Top Port Analogue Silicon Microphone
	WM7121	219Kb / 12P	Top Port Analogue Silicon Microphone
	WM7121P	300Kb / 13P	Top Port Analogue Silicon Microphone
Cirrus Logic	WM7331	787Kb / 12P	Bottom Port Analog Silicon Microphone
Cirrus Logic	WM7132	727Kb / 12P	Bottom Port Analog Silicon Microphone
Wolfson Microelectronic...	WM7230	320Kb / 12P	Bottom Port Digital Silicon Microphone
Cirrus Logic	WM7132PE	727Kb / 12P	Bottom Port Analog Silicon Microphone
Wolfson Microelectronic...	WM7231	292Kb / 14P	Bottom Port Digital Silicon Microphone

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