ST70136B View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST70136B' PDF : 24 Pages View PDF
Figure 8 : Tone Detector Schematic
ST70136
VDDA6
TOP (PAD)
ACTD
(PAD)
G
VDDA6
TON (PAD)
All cells are supplied with VDD except ESD diodes
Table 11 : Tone DetectorSpecifications
Description
Zin listening mode
Zin normal mode
Minimum differential input signal
Maximum diffential input signal
VCM input
Minimum
3.5
350
15
Typical
5
500
Maximum
6.5
650
VDD/2
VDD
Unit
Comments
kΩ
Diffferential
kΩ
Diffferential
µVp
Peak to peak
In listening mode
In listening mode
5.5 - VCXO
Unless otherwise noted, typical specifications apply for AVdd = 5.0V, DVdd = 3.3V, temperature = 27°C.
A voltage controlled crystal oscillator is integrated in ST70136. Its nominal frequency is 35.328MHz. The
quartz crystal is connected between XTALI and XTALO pins.
Figure 9 : DAC VCXO Schematic
IVCO (PAD)
VCO<7:0>
(from internal
register)
DIGITAL
ANALOG
VREF
VCOCAP(PAD)
PMOS
VCXOUT
(PAD)
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