参数资料
型号: TDA6650ATT/C3
厂商: NXP SEMICONDUCTORS
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO38
封装: 4.40 MM, 0.50 MM PITCH, PLASTIC, MO-153, SOT510-1, TSSOP-38
文件页数: 41/54页
文件大小: 325K
代理商: TDA6650ATT/C3
TDA6650ATT_6651ATT_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 2 February 2007
46 of 54
NXP Semiconductors
TDA6650ATT; TDA6651ATT
5 V mixer/oscillator and low noise PLL synthesizer
[1]
Control byte 1 with bit T/A = 1, to program test bits T2, T1 and T0 and reference divider ratio bits R2, R1
and R0.
[2]
Control byte 1 with bit T/A = 0, to program AGC time constant bit ATC and AGC take-over point bits
AL2, AL1 and AL0.
[1]
Control byte 1 with bit T/A = 1, to program test bits T2, T1 and T0 and reference divider ratio bits R2, R1
and R0.
[2]
Control byte 1 with bit T/A = 0, to program AGC time constant bit ATC and AGC take-over point bits
AL2, AL1 and AL0.
[1]
Control byte 1 with bit T/A = 1, to program test bits T2, T1 and T0 and reference divider ratio bits R2, R1
and R0.
[1]
Control byte 1 with bit T/A = 1, to program test bits T2, T1 and T0 and reference divider ratio bits R2, R1
and R0.
[1]
Control byte 1 with bit T/A = 0, to program AGC time constant bit ATC and AGC take-over point bits
AL2, AL1 and AL0.
Table 21.
Complete sequence 1
Start
Address
byte
Divider
byte 1
Divider
byte 2
Control
byte 1[1]
Control
byte 2
Control
byte 1[2]
Stop
S
C2
A
15
A
E0
A
C9
A
E4
A
84
A
P
Table 22.
Complete sequence 2
Start
Address
byte
Control
byte 1[1]
Control
byte 2
Divider
byte 1
Divider
byte 2
Control
byte 1[2]
Stop
S
C2
A
C9
A
E4
A
15
A
E0
A
84
A
P
Table 23.
Sequence to program only the main divider ratio
Start
Address byte
Divider byte 1
Divider byte 2
Stop
SC2
A
15
AE0
A
P
Table 24.
Sequence to change the charge pump current, the ports and the test mode. If the
reference divider ratio is changed, it is necessary to send the DB1 and DB2 bytes
Start
Address byte
Control byte 1[1]
Control byte 2
Stop
SC2
A
C9
AE4
A
P
Table 25.
Sequence to change the test mode. If the reference divider ratio is changed, it is
necessary to send the DB1 and DB2 bytes
Start
Address byte
Control byte 1[1]
Stop
SC2
A
C9
AP
Table 26.
Sequence to change the charge pump current, the ports and the AGC data
Start
Address byte
Control byte 1[1]
Control byte 2
Stop
SC2
A
82
AE4
A
P
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