參數(shù)資料
型號: AD6816
廠商: Analog Devices, Inc.
英文描述: Interface For ATM User-Network Interface IC to Category #5 Unshielded Twisted Pair (UTP) system or a fiber optic system.(ATM用戶網(wǎng)絡(luò)接口與#5類非屏蔽雙絞線系統(tǒng)或其他光纖系統(tǒng)的接口芯片)
文件頁數(shù): 8/20頁
文件大?。?/td> 483K
代理商: AD6816
AD6816
–8–
REV. A
Figure 15. Simplified Schematics
VAP1
RX
RXN
70μA
70μA
VAN1
14k
14k
VAP1
SDOUT
VAN1
150
150
IOH
IOL
2 x I
TTL
80μA
OR
0μA
2 x I
TTL
80μA
OR
0μA
2k
500
20k
VDN#
VDP#
I
TTL
I
TTL
= 0mA
3.75k
3.75k
80μA
40μA
VDN1
500
500
VDP1
I
TTL
= 80mA
I
TTL
2k
500
VDN1
VDP1
Receiver Differential
Input Stage
Receiver Signal Detect
Output (SDOUT)
Control Signal Input
(LBSEL, DRBYPASS,
TXSALVESEL,DRVROFF)
Frequency Synthesizer
ECLFREFIN/
ECLFREFINN
PECL Input (FREFIN
@ V
EE
)
Frequency Synthesizer
FREFIN
TTL/CMOS Input
(ECLFREFIN &
ECLFREFINN
@ V
EE
)
Frequency Synthesizer PLL and Clock Recovery PLL
Differential Output Stage TXCLKOUT/TXCLKOUTN,
RXCLKOUT/RXCLKOUTN, RXDATAOUT/RXDATAOUTN
Oscillator Circuit
OSC OUT
Line Driver
DRIVEIN/
DRIVEINN
Line Driver
TXAMPSET Output
Current Control
Line Driver
TX/TXN
Output
VDPECL1
OR
VDPCEL2
DIFFERENTIAL
OUTPUT
450
450
2.5mA
V
EE
VDP2
OSCOUT
VDN2
20
20
IOH
IOL
1.2V
BANDGAP
REFERENCE
TXAMPSET
R
TXAMPSET
EXTERNAL
VDN3
BIAS
OUTPUT
CURRENT
+
TX
TXN
VDN3
V
OL_MIN
=
3V
BE
2.6V
FROM
DRIVEN
+5V
DRIVEIN
33
V
IL_MIN
=
3 V
BE
2.6V
15k
15k
300
300
0.18V
600μA
TO TX OUT
10k
DRIVEINN
32
10k
100μA
NOTE:
PROVIDE NO
CONNECTION TO
XTALIN1 AND XTALIN2
IF NOT USING
THE OSCILLATOR
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