Datasheet > T4260_08

T4260_08

更新时间： 2022-09-23 15:00:50

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
34页	713K
描述
AM/FM Front End IC

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T4260_08 数据手册

7. Electrical Characteristics (Continued)

Test conditions (unless otherwise specified): V_ST/V_SPLL= +8.5V, T_amb= +25°C

No.

Parameters

Test Conditions

91 dBµV

Symbol

Min.

Typ.

Max.

Unit

Type*

A⁽¹⁾

dBµV

92 dBµV

93 dBµV

94 dBµV

95 dBµV

96 dBµV

97 dBµV

102

101

102

104

105

106

107

108

109

RF-AGC FM threshold

98 dBµV

10.5 (programmable with

bit 12 - bit 15)

99 dBµV

100 dBµV

101 dBµV

102 dBµV

103 dBµV

104 dBµV

105 dBµV

106 dBµV

100

101

102

103

104

105

106

100

101

102

103

104

105

IF Amplifier

11.1 Frequency range

11.2 Output voltage

MHz

117

dBµV

f1 = 10.7 MHz

f2 = 10.75 MHz

RL = 2 × 300Ω

Distortion

11.3

(2-tone IM3)

Gain (programmable in

2-dB steps)

Minimum gain

Maximum gain

11.4

36,

330

2500

Ω

11.5 Input impedance

IF-AGC

109 dBµV

111 dBµV

113 dBµV

115 dBµV

117 dBµV

118 dBµV

119 dBµV

121 dBµV

29/30

108

110

111

113

116

117

118

120

109

111

113

115

117

118

119

121

112

114

115

117

121

122

123

126

dBµV

A⁽¹⁾

IF-AGC

AM/FM threshold

(programmable with bit 0

- bit 2)

12.1

12.2 AGC dynamic range

AGC time constant

12.3 (external capacity

≤ 100 nF)

FM rising

FM falling

AM symmetrical

200

µs

*) 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

T4260

4528M–AUDR–03/08

1...5 6 789 10 11...34

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