STLC1511 데이터 시트보기 (PDF) - STMicroelectronics
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STLC1511 Datasheet PDF : 31 Pages
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Figure 2. The block diagram of the STLC1511
STLC1511
Bandgap/
Bias Gen
14-bit
DAC
fp=2M H z
TXON
TXOP
2
T X SIN [1:0]
FRMCLK
CK35M
2
RXSOUT [1:0]
D IG R E F
4.416M
14
35.328M/
17.622M
8/4
90
°
2/3 /4/8
5
2.56M
2.56M /35.328M
(Oscillator Mode)
FREF
35 .3 28 M
(External Clock M ode)
PFD
CP
VCAP
OSCNB
69
G
O S C P BREexstoenrantaolr
OSCPE
OSCNE
DIGCLK
ENB
DRX
DTX
4.416M
+
12 12-bit
ADC
-
-
+
G =1
+
-
fp= 2M H z
RX INN
-
+
RX OPINP
+
-
RXOPINN
RXINP
Shaded blocks are only usabe when the PLL is active. Crystal based external resonator for the CPE Mode, LC
based resonator for the CO Oscillator Mode. 35.328 MHz external reference in CO External Clock Mode.
3.2 Receive Path Specifications
Note: The first stage of the RxPGA provides a coarse gain of 0/20dB with a differential input or 6/26dB with a
single ended input. The second stage implements a programmable gain from 0dB to 20dB in 0.5dB steps.
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