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STCD22X0 数据表(PDF) 28 Page - STMicroelectronics

部件名 STCD22X0
功能描述  Multichannel clock distribution circuit
PDF  39 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STCD22X0 数据表(HTML) 28 Page - STMicroelectronics

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DC and AC parameters
STCD22x0, STCD23x0, STCD24x0
28/39
Doc ID 15400 Rev 2
7
DC and AC parameters
This section summarizes the operating measurement conditions, and the DC and AC
characteristics of the device. The parameters in the DC and AC characteristics tables that
follow are derived from tests performed under the measurement conditions summarized in
Table 9. Designers should check that the operating conditions in their circuit match the
operating conditions when relying on the quoted parameters.
Table 9.
Operating and AC measurement conditions
Parameter
Condition
Unit
VCC supply
2.5 to 5.1
V
Input source clock voltage (MCLK)
0 to 1.8
V
Output clock voltage (CLK1-4)
0 to 1.8
V
Device enable voltage (EN1-4)
0 to 1.8
V
Source clock request voltage (MCREQ)0 to 1.8
V
Optional pins voltage (OPT1, OPT2)
0 to VCC
V
Ambient operating temperature (TA)
–20 to +85
°C
Flip-chip thermal resistance (Rthja)90
°C/W
Table 10.
DC and AC characteristics
Sym.
Parameter
Condition(1)
Min
Typ
Max
Unit
VTCXO (low dropout output)
VCC
Supply voltage
2.5
5.1
V
VTCXO
Output voltage
ILOAD = 5 mA
1.75
1.8
1.85
V
IO
Maximum output current
20
mA
VOACC
Total output accuracy(2)
–5%
5%
ICL
Current limit protection
VTCXO = 0 V
30
90
mA
VREG
Line regulation(3)
ILOAD = 20 mA
0.5
10
mV
IREG
Load regulation(3)
ILOAD = 10 µA to 20 mA
0.4
10
mV
ITR
Load transient(3)
ILOAD = 10 µA to 20 mA
ITR = 1 µs
100
110
mV
ILOAD = 20 mA to 10 µA
ITR = 1 µs
100
110
mV



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