STW5093CYLT datasheet(25/34 Pages) STMICROELECTRONICS

Part #	STW5093CYLT

Description	2.7V SUPPLY 14-BIT LINEAR CODEC WITH HIGH-PERFORMANCE AUDIO FRONT-END

PDF	34 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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25 / 34 page

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STW5093

Figure 6. A.C. TESTING INPUT, OUTPUT WAVEFORM

ANALOG INTERFACES

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

RMBIAS

Switch Resistance for

Microphone bias

MBIAS 100mV under VCC

150

Ω

IMIC

Input Leakage

GND < VMIC < VCC

-100

+100

µA

RMIC

Input Resistance

GND < VMIC < VCC

Ω

RLVFr

Load Resistance

Ω

CLVFr

Load Capacitance

ROVFr0

Output Resistance

Steady zero PCM code applied to

DR; I = ±1mA

1.0

Ω

RLvLr

Load Resistance

VLr+ to VLr-

Ω

CLvLr

Load Capacitance

from VLr+ to VLr-

ROLVrO

Output Resistance

Steady zero PCM code applied to

DR; I ± 1mA

Ω

VOSVLrO

Differential offset Voltage at VLr+,

VLr-

Alternating ± zero PCM code

applied to DR maximum receive

gain; RL = 50

Ω

-50

+50

AC Testing: inputs are driven at 0.8VCCIO for a logic "1"and 0.2VCCIO for a logic "0 ".

Timing measurements are made at 0.7VCCIO for a logic "1"and 0.3VCCIO for a logic "0".

0.8VCCIO

0.2VCCIO

0.7VCCIO

0.3VCCIO

0.7VCCIO

0.3VCCIO

TEST POINTS

INTPUT/OUTPUT

D93TL077A

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