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ACE9030 bảng dữ liệu(PDF) 6 Page - Mitel Networks Corporation

tên linh kiện ACE9030
Giải thích chi tiết về linh kiện  Radio Interface and Twin Synthesiser
Download  39 Pages
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nhà sản xuất  MITEL [Mitel Networks Corporation]
Trang chủ  http://www.mitel.com
Logo MITEL - Mitel Networks Corporation

ACE9030 bảng dữ liệu(HTML) 6 Page - Mitel Networks Corporation

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6
ACE9030
Parameter
Min.
Typ.
Max.
Unit
Conditions
Synthesiser charge pump current
Current setting resistor R
SMA
19
39
78
k
Note 3
Current setting resistor R
SC
19
39
78
k
Note 3
External capacitance on pin R
SMA
5
pF
Ensures stable
External capacitance on pin R
SC
5
pF
bias current.
Bias current I
RSMA (nominally 1·25V / RSMA)
28·8
32
35·2
µAR
SMA = 39 kΩ
Bias current I
RSC (nominally 1·25V / RSC)
28·8
32
35·2
µAR
SC = 39 kΩ
Iprop(0) scaling accuracy, pin PDP
–10
+10
%
@ 200
µA. Note 4
Iprop(1) scaling accuracy, pin PDP
–10
+10
%
@ 800
µA. Note 4
Iint scaling accuracy, pin PDI
–10
+10
%
@ 4 mA. Note 4
Icomp(0) scaling accuracy, pin PDP
–10
+10
%
@ ACC x 0·2
µA
Note 4
Icomp(1) scaling accuracy, pin PDP
–10
+10
%
@ ACC x 0·8
µA
Note 4
Icomp(2) scaling accuracy, pin PDI
–10
+10
%
@ ACC x 4
µA
Note 4
Iauxil scaling accuracy, pin PDA
–5
+5
%
@ 256
µA. Note 4
Auxiliary Charge Pump,
–10
+10
%
Note 5
Up or Down I
AUX current variation
Main Charge Pumps,
–10
+10
%
Note 6
Up or Down I
MAIN or IINTEGRAL current variation
Iprop(0) or Iprop(1) setting from PDP pin
1·0
mA
Iint setting from PDI pin
5
mA
Icomp(0) or Icomp(1) setting from PDP pin
12
µA
Icomp(2) setting from PDI pin
180
µA
Iauxil setting from PDA pin
512
µA
ELECTRICAL CHARACTERISTICS
These characteristics apply over these ranges of conditions (unless otherwise stated):
T
AMB = – 40 °C to + 85 °C, VDD = + 3·6 to + 5·0 V, GND ref. = VSS
D.C. Characteristics (continued)
Notes
3. The circuit is defined with resistors R
SMA and RSC connected from pins RSMA and RSC to VSSSA but in most practical applications all VSS pins
will be connected to a ground plane so R
SMA and RSC should then also be connected to this ground plane.
4. The charge pump currents are specified to this accuracy when the relevant output pin is at a potential of V
DD/2 and with RSMA = 39 kΩ, CN
= 200, L= 1, K = 5, R
SC = 19 kΩ. The nominal value is set by external resistors and by programming registers, as defined in Table 6. Tolerances
in the internal Bandgap voltage and bias circuits are within the limits given for I
RSMA and IRSC, the scaling accuracy of the multiplying DAC’s
is within these limits given for Iprop(0), Iprop(1), Iint, Icomp(0), Icomp(1), Icomp(2), and auxil.
5. The Auxiliary charge pump output voltage is referred to as V
PDA and the output current IAUX is the Up or Down current measured when
V
PDA = VDD/2.
The conditions for the variation limits for the Up current are:
either
I
AUX = 128 or 256 µA
and
0 < V
PDA < VDD – 0·5 V
or
I
AUX = 512 µA
and
0 < V
PDA < VDD – 0·65 V
The conditions for the variation limits for the Down current are:
either
I
AUX = 128 or 256 µA
and
0·5 V < V
PDA < VDD
or
I
AUX = 512 µA
and
0·65 V < V
PDA < VDD
6. The Main charge pump output voltage at pin PDP is referred to as V
PDP and at pin PDI as VPDI. The output currents IMAIN and IINTEGRAL are the
up or down current Iprop(0), Iprop(1) or Iint measured when V
PDP or VDPI = VDD/2.
The conditions for the variation limits for the Up current are :
I
MAIN = 100 to 1000 µA
or I
INTEGRAL = 1 to 5 mA
and 0 < V
PDP < VDD – 0·45 V
The conditions for the variation limits for the Down current are:
I
MAIN = 100 to 1000 µA
or I
INTEGRAL = 1 to 5 mA
and 0·45 V < V
PDP < VDD


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