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

Symbol

Min.

Typ.

Max.

Unit

Type*

Settling time in FM mode

(switching from

87.5 MHz to 108 MHz

or vice versa)

f_PD= 50 kHz

I_PD= 2 mA

2.5

AMLF/FMLF

16,

3.1

Output current 1

FMLF, AMLF = 1.8V

120

1250

2450

µA

A⁽¹⁾

16,

3.2

3.3

3.4

Output current 2

Output current 3

Output current 4

100

16,

850

1650

1000

2000

16,

3.5

Leakage current

VTUNE

Saturation voltage

LOW

4.1

V_SATL= V_TUNEMIN

V_SATL

V_SATH

100

200

400

500

Saturation voltage

HIGH

V_SATH=

V_SPLL- V_TUNEMAX

4.2

DAC1, DAC2

5.1

5.2

5.3

5.4

5.5

5.6

Output current

1, 2

I_DAC1,2

V_S– 0.6

1.1

Output voltage

V_DAC1,2

0.3

0.9

Maximum offset range

Minimum offset range

Maximum gain range

Minimum gain range

Oscillator

Offset = 0, gain = 58

Offset = 127, gain = 58

Gain = 255, offset = 64

Gain = 0, offset = 64

0.98

–0.98

2.09

A⁽¹⁾

–0.9

2.06

0.63

–1.1

2.13

0.73

–

0.67

–

6.1

Frequency range

170

140

MHz

Fractional frequency

range

6.2

Fractional mode

Slave mode

6.3

6.4

6.5

Buffer output

Buffer input

150

100

150

mV_rms

Input voltage

FM Mixer

V_OSC

7.1

7.2

7.3

7.4

7.5

Frequency range

Input IP3

163

MHz

dBµV

kΩ

133

3.5

Input impedance

Input capacitance

Noise figure

Conversion

transconductance

7.6

2.6

3.1

3.6

D⁽¹⁾

*) 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...3 4 567 8 9...34

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