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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： | 3/54页 |
| 文件大小： | 325K |
| 代理商： | TDA6650ATT/C3 |
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TDA6650ATT_6651ATT_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 2 February 2007
11 of 54
NXP Semiconductors
TDA6650ATT; TDA6651ATT
5 V mixer/oscillator and low noise PLL synthesizer
8.1.4 AGC detector setting
The AGC take-over point can be selected out of 6 levels according to Table 11.
[1]
This take-over point is available for both symmetrical and asymmetrical modes.
[2]
This take-over point is available for asymmetrical mode only.
[3]
The AGC current sources are disabled. The AGC output goes into a high-impedance state and an external
AGC source can be connected in parallel and will not be inuenced.
[4]
The AGC detector is disabled and IAGC =9 A.
8.1.5 Charge pump current setting
The charge pump current can be chosen from 8 values depending on the value of bits
CP2, CP1 and CP0 bits; see Table 12.
Table 10.
Reference divider ratio select bits
R2
R1
R0
Reference divider
ratio
Frequency
comparison
Frequency step
0002
2 MHz
62.5 kHz
0011
4 MHz
142.86 kHz
0101
4 MHz
166.67 kHz
0114
1 MHz
50 kHz
1001
4 MHz
125 kHz
101-
-
reserved
110-
-
reserved
111-
-
reserved
Table 11.
AGC programming
AL2
AL1
AL0
Typical take-over point level
000
[1] 124 dB
V (p-p)
001
[1] 121 dB
V (p-p)
010
[1] 118 dB
V (p-p)
011
[2] 115 dB
V (p-p)
100
[2] 112 dB
V (p-p)
101
[2] 109 dB
V (p-p)
110
111
Table 12.
Charge pump current
CP2
CP1
CP0
Charge pump current
number
Typical current (absolute
value in
A)
0001
38
0012
54
0103
83
0114
122
1005
163
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA6650TT | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6650TT/C3 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6650TT/C3/S2 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651ATT | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
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