参数资料
型号: T4260ILS
厂商: ATMEL CORP
元件分类: 调谐器
英文描述: AUDIO TUNER, PDSO44
封装: SSO-44
文件页数: 28/30页
文件大小: 299K
代理商: T4260ILS
7
T4260
4528I–AUDR–08/04
11.5
RF-AGC FM threshold
(programmable with
bit12 - bit15)
91 dBV
33
90
91
93
dBV
A
(1)
92 dBV
33
91
92
95
dBV
A
(1)
93 dBV
33
92
93
96
dBV
A
(1)
94 dBV
33
93
94
96
dBV
A
(1)
95 dBV
33
94
95
98
dBV
A
(1)
96 dBV
33
95
96
99
dBV
A
(1)
97 dBV
33
96
97
102
dBV
A
(1)
98 dBV
33
97
98
101
dBV
A
(1)
99 dBV
33
98
99
102
dBV
A
(1)
100 dBV
33
99
100
104
dBV
A
(1)
101 dBV
33
100
101
104
dBV
A
(1)
102 dBV
33
101
102
105
dBV
A
(1)
103 dBV
33
102
103
106
dBV
A
(1)
104 dBV
33
103
104
107
dBV
A
(1)
105 dBV
33
104
105
108
dBV
A
(1)
106 dBV
33
105
106
109
dBV
A
(1)
12
IF Amplifier
12.1
Frequency range
10
25
MHz
A
12.2
Output voltage
117
dBV
B
12.3
Distortion
(2-tone IM3)
f1 = 10.7 MHz
f2 = 10.75 MHz
RL = 2
× 300
55
dB
A
12.4
Gain (programmable in
2-dB steps)
Minimum gain
Maximum gain
12
42
dB
A
12.5
Input impedance
FM
AM
36,
35
330
2500
D
13
IF-AGC
13.1
IF-AGC
AM/FM threshold
(programmable with
bit 0 - bit 2)
109 dBV
29/30
108
109
112
dBV
A
(1)
111 dBV
29/30
110
111
114
dBV
A
(1)
113 dBV
29/30
111
113
115
dBV
A
(1)
115 dBV
29/30
113
115
117
dBV
A
(1)
117 dBV
29/30
116
117
121
dBV
A
(1)
118 dBV
29/30
117
118
122
dBV
A
(1)
119 dBV
29/30
118
119
123
dBV
A
(1)
121 dBV
29/30
120
121
126
dBV
A
(1)
13.2
AGC dynamic range
40
dB
B
13.3
AGC time constant
(external capacity
≤100 nF)
FM rising
FM falling
AM symmetrical
16
4
200
s
ms
D
Electrical Characteristics (Continued)
Test conditions (unless otherwise specified): VST/VSPLL = +8.5 V, Tamb = +25°C
No.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note:
1. Minimum and maximum limits are characterized for entire temperature range (-40°C to +85°C) but are tested at +25°C
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