參數(shù)資料
型號(hào): 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(yè)數(shù): 12/30頁(yè)
文件大?。?/td> 299K
代理商: T4260ILS
2
T4260
4528I–AUDR–08/04
Pin Description
Pin
Symbol
Function
1
DAC1
DAC1 output
2
DAC2
DAC2 output
3
FMAGCO
FM AGC current
4
MXFMIA
FM mixer input A
5
MXFMIB
FM mixer input B
6
GNDRF
RF ground
7
MXAMIB
AM mixer input B
8
MXAMIA
AM mixer input A
9
AMAGCO
AM AGC current
10
IFAGCA2
AM IF-AGC filter 2
11
SW2/AGC
Switch 2/AM AGC voltage
12
RFAGCA2
RF AM-AGC filter 2
13
SW1
Switching output 1
14
VRVCO
VCO reference voltage
15
VSPLL
PLL supply voltage
16
FMLF
FM loop filter
17
AMLF
AM loop filter
18
VTUNE
Tuning voltage
19
OSCGND
Oscillator ground
20
OSCE
Oscillator emitter
21
OSCB
Oscillator base
22
OSCBUF
Oscillator buffer output/input
23
EN
3-wire bus Enable
24
CLK
3-wire bus Clock
25
DATA
3-wire bus Data
26
VRPLL
PLL reference voltage
27
REFFREQ
PLL reference frequency
28
GNDPLL
PLL ground
29
IFOUTB
IF output B
30
IFOUTA
IF output A
31
IFAGCFM
FM IF-AGC filter
32
IFAGCA1
AM IF-AGC filter 1
33
RFAGCFM
RF FM-AGC filter
34
IFREF
IF amplifier reference input
35
IFINAM
IF amplifier AM input
36
IFINFM
IF amplifier FM input
37
VRT
Tuner reference voltage
38
GNDT
Tuner ground
39
MXAMOB
AM mixer output B
40
MXAMOA
AM mixer output A
41
VST
Tuner supply voltage
42
RFAGCA1
RF AM-AGC filter 1
43
MXFMOA
FM mixer output A
44
MXFMOB
FM mixer output B
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