MAX2112ETI+T Maxim Integrated Products, MAX2112ETI+T Datasheet - Page 10

• Manufacturer Part Number: MAX2112ETI+T
• Description: RF Receiver Direct Conversion Tu ner for DVB-S2 -40 t
• Manufacturer: Maxim Integrated Products

Specifications of MAX2112ETI+T

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Complete, Direct-Conversion
Tuner for DVB-S2 Applications
Table 2. N-Divider MSB Register
Table 3. N-Divider LSB Register
Table 4. Charge-Pump Register
Table 5. F-Divider MSB Register
Table 6. F-Divider LSB Register
Table 7. XTAL Buffer and Reference Divider Register
10
BIT NAME
BIT NAME
CPMP[1:0]
CPLIN[1:0]
BIT NAME
BIT NAME
BIT NAME
BIT NAME
F[19:16]
XD[2:0]
N[14:8]
F[15:8]
R[4:0]
N[7:0]
FRAC
F[7:0]
______________________________________________________________________________________
BIT LOCATION (0 = LSB) DEFAULT
BIT LOCATION (0 = LSB) DEFAULT
BIT LOCATION (0 = LSB) DEFAULT
BIT LOCATION (0 = LSB) DEFAULT
BIT LOCATION (0 = LSB) DEFAULT
BIT LOCATION (0 = LSB)
7–5
4–0
6–0
7–0
7–6
5–4
3–0
7–0
7–0
7
DEFAULT
00100011
11110110
10000100
0000000
00001
0010
000
00
00
1
Sets the crystal-divider setting.
000 = Divide by 1.
001 = Divide by 2.
011 = Divide by 3.
100 = Divide by 4.
101 through 110 = All divide values from 5 (101) to 7 (110).
111 = Divide by 8.
Sets the PLL reference-divider (R) number. Users must program to 00001
upon powering up the device.
00001 = Divide by 1; other values are not tested.
Charge-pump minimum pulse width. Users must program to 00 upon
powering up the device.
Controls charge-pump linearity. Users must program to 01 upon powering up
the device.
S ets the 4 m ost si g ni fi cant b i ts of the P LL fr acti onal d i vi d e num b er .
D efaul t val ue i s F = 194,180 d eci m al .
Users must program to 1 upon powering up the device.
Sets the most significant bits of the PLL integer-divide number (N). N can
range from 19 to 251.
Sets the least significant bits of the PLL integer-divide number. N can range
from 19 to 251.
S ets the l east si g ni fi cant b i ts of the P LL fr acti onal - d i vi d e num b er ( F) .
D efaul t val ue i s F = 194,180 d eci m al .
S ets the m ost si g ni fi cant b i ts of the P LL fr acti onal - d i vi d e num b er ( F) .
D efaul t val ue i s F = 194,180 d eci m al .
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION