參數(shù)資料
型號(hào): TZA3044T
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 通信及網(wǎng)絡(luò)
英文描述: 1.25 Gbits/s Gigabit Ethernet postamplifiers
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO16
封裝: PLASTIC, SO-16
文件頁(yè)數(shù): 12/18頁(yè)
文件大?。?/td> 104K
代理商: TZA3044T
1998 Jul 07
12
Philips Semiconductors
Objective specification
1.25 Gbits/s Gigabit Ethernet postamplifiers
TZA3044T; TZA3044U
Notes
1.
2.
DOUT, DOUTQ, ST and STQ outputs are left unconnected.
If the input is DC coupled, the preceding amplifier’s output offset voltage should not exceed these limits, in order to
avoid malfunctioning of the DC offset compensation circuit.
3.
4.
The reference currents can be set by a resistor between V
CCA
and pin RSET. The corresponding input signal
level-detect range is from 2 to 12 mV (p-p) single-ended. See section “Input signal level-detection” for detailed
information.
Internal pull-down resistor of 500 k
to DGND.
Internal series resistor of 1 k
.
5.
6.
PECL outputs: ST and STQ
V
OL
V
OH
t
r
t
f
LOW-level output voltage
HIGH-level output voltage
rise time
fall time
R
L
= 50
to V
CC
2 V
R
L
= 50
to V
CC
2 V
20% to 80%
80% to 20%
V
CC
1840
V
CC
1100
V
CC
1620
V
CC
900
600
200
mV
mV
ns
ns
PECL input: JAM
V
IL
V
IH
I
I(JAM)
LOW-level input voltage
HIGH-level input voltage
JAM input current
V
CC
1165
10
V
CC
1490
+10
mV
mV
μ
A
note 5
Reference voltage output: V
ref
V
ref
reference voltage
note 6
1.165
1.20
1.235
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Input RMS noise
low frequency gain
total output RMS noise
=
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