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參數(shù)資料
| 型號： | T4260ILS |
| 廠商： | ATMEL CORP |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | AUDIO TUNER, PDSO44 |
| 封裝： | SSO-44 |
| 文件頁數(shù)： | 1/30頁 |
| 文件大?。?/td> | 299K |
| 代理商： | T4260ILS |
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Rev. 4528I–AUDR–08/04
Features
AM/FM Tuner Front End with Integrated PLL
AM Up-conversion System (AM-IF: 10.7 MHz)
FM Down-conversion System (FM-IF: 10.7 MHz)
IF Frequencies up to 25 MHz
Fine-tuning Steps: AM = 1 kHz and FM = 50 kHz/25 kHz/12.5 kHz
Fast Fractional PLL (Lock Time < 1 ms) Inclusive Spurious Compensation
Fast RF-AGC, Programmable in 1-dB Steps
Fast IF-AGC, Programmable in 2-dB Steps
Fast Frequency Change by 2 Programmable N-divider
Two DACs for Automatic Tuner Alignment
High S/N Ratio
3-wire Bus (Enable, Clock and Data; 3 V and 5 V Microcontrollers-compatible)
Description
The T4260 is an advanced AM/FM receiver with integrated fast PLL as a single-chip
solution based on Atmel’s high-performance BICMOS II technology. The low-imped-
ance driver at the IF output is designed for the A/D of a digital IF. The fast tuning
concept realized in this part is based on patents held by Atmel and allows lock times
less than 1 ms for a jump over the FM band with a step width of 12.5 kHz. The AM
up-conversion and the FM down-conversion allows an economic filter concept. An
automatic tuner alignment is provided by built-in DACs for gain and offset compensa-
tion. The frequency range of the IC covers the FM broadcasting band as well as the
AM band. The low current consumption helps the designers to achieve economic
power consumption concepts and helps to keep the power dissipation in the tuner low.
Pin Description
Figure 1. Pinning SSO44
D
A
C
1
D
A
C
2
F
M
A
G
C
O
M
X
F
M
IA
M
X
F
M
IB
G
N
D
R
F
M
X
A
M
IB
M
X
A
M
IA
A
M
A
G
C
O
IF
A
G
C
A
2
S
W
2
/A
G
C
R
F
A
G
C
A
2
S
W
1
V
R
V
C
O
V
S
P
L
F
M
L
F
A
M
L
F
V
T
U
N
E
O
S
C
G
N
D
O
S
C
E
O
S
C
B
O
S
C
B
U
F
E
N
C
L
K
D
A
T
A
V
R
P
L
R
E
F
R
E
Q
G
N
D
P
L
IF
O
U
T
B
IF
O
U
T
A
IF
A
G
C
F
M
IF
A
G
C
A
1
R
F
A
G
C
F
M
IF
R
E
F
IF
IN
A
M
IF
IN
F
M
V
R
T
G
N
D
T
M
X
A
M
O
B
M
X
A
M
O
A
V
S
T
R
F
A
G
C
A
1
M
X
F
M
O
A
M
X
F
M
O
B
1
2
3
4
5
6
7
8
9
1
0
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
4
3
4
2
4
1
4
0
3
9
3
8
3
7
3
6
3
5
3
4
3
2
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
AM/FM
Front End IC
T4260
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| T4260-ILSH | 功能描述:射頻無線雜項 COM.RADIO-AM/FM FE DIG.CONCEPT RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel |
| T428P107M028AH | 功能描述:鉭質(zhì)電容器-固體SMD RoHS:否 制造商:AVX 電容:100 uF 電壓額定值:20 V ESR: 容差:10 % 外殼代碼 - in:2917 外殼代碼 - mm:7343 高度:4.1 mm 制造商庫存號:E Case 工作溫度范圍:- 55 C to + 125 C 系列:TBM 產(chǎn)品:Tantalum Solid Low ESR Commercial Grade 封裝:Bulk |
| T428P156M050AH | 功能描述:鉭質(zhì)電容器-固體SMD RoHS:否 制造商:AVX 電容:100 uF 電壓額定值:20 V ESR: 容差:10 % 外殼代碼 - in:2917 外殼代碼 - mm:7343 高度:4.1 mm 制造商庫存號:E Case 工作溫度范圍:- 55 C to + 125 C 系列:TBM 產(chǎn)品:Tantalum Solid Low ESR Commercial Grade 封裝:Bulk |
| T428P156M050AH6110 | 功能描述:鉭質(zhì)電容器-固體SMD 50volts 15uF 20% RoHS:否 制造商:AVX 電容:100 uF 電壓額定值:20 V ESR: 容差:10 % 外殼代碼 - in:2917 外殼代碼 - mm:7343 高度:4.1 mm 制造商庫存號:E Case 工作溫度范圍:- 55 C to + 125 C 系列:TBM 產(chǎn)品:Tantalum Solid Low ESR Commercial Grade 封裝:Bulk |
| T428P156M050AHT500 | 制造商:KEMET Corporation 功能描述:CAP TANT 15UF 50V 20% 2824 |
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