CX24109-11Z,518 NXP Semiconductors, CX24109-11Z,518 Datasheet - Page 21

• Manufacturer Part Number: CX24109-11Z,518
• Description: IC SATELLITE TUNER DGTL 48-ETQFP
• Manufacturer: NXP Semiconductors
• Type: Tunerr

Specifications of CX24109-11Z,518

• Applications: Set-Top Boxes, Video Players
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP Exposed Pad, 48-eTQFP, 48-HTQFP, 48-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 548894; 935287219518

NXP Semiconductors
Table 7.
1.7.1
CX24109_N_1
Product data sheet
Bit 15
Bit 18
0
0
1
1
0
0
1
1
PLL Programming
Gain Equations
Bit 16
0
1
The RF block voltage gain (G
G
VGA1 voltage gain G
VGA2 voltage gain G
The total baseband voltage gain G
G
G
G
where the maximum value of G
RF
VGA1
VGA2
Baseband
Bit 14
Bit 17
=
0
1
0
1
0
1
0
1
=
=
V
AGC
V
=
=
VGA2 Offset
AGC
G
G
×
VGA1
VGA1
VCA Slope VCA Offset in dB
×
26
(
(
+ +
+
+
3
G
Rev. 01 — 13 November 2008
VGA1
VGA2
Charge Pump Current
Charge Pump Polarity
VGA1 Offset in dB
Filter
Reference Dividers
(
in dB
G
) is equal to
) is equal to
VGA2
–
+
G
)
(
RF
VGA2
RF
Baseband
is 23 dB, regardless of voltage
) is equal to the VCA gain + the mixer gain.
(
) is equal to
(
)
)
+
Current (mA)
23
Function
Function
Reserved
Reserved
Negative
Positive
÷10
—
1
2
3
4
Chapter 1: Functional Description
CX24109
© NXP B.V. 2008. All rights reserved.
21