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參數(shù)資料
| 型號： | T4258NFNG3 |
| 廠商： | ATMEL CORP |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO44 |
| 封裝： | SSOP-44 |
| 文件頁數(shù)： | 17/38頁 |
| 文件大小： | 443K |
| 代理商： | T4258NFNG3 |
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24
T4258N
4566B–AUDR–02/04
2.5
Buffer output DC
voltage
16
3.8
4.1
4.4
V
A
3FM RF-AGC
3.1
Saturation voltage
No input signal
58.3
V
A
3.2
Saturation voltage
No input signal
5V
S - 0.2
V
B
3.3
Threshold level
In-band signal
30
115
dBV
C
3.4
Maximum threshold
level
Out-of-band signal
(110 MHz),
bit 64, 65 = 0
1
100
103
106
dBV
B
4
AM RF-AGC, AM Mode (Bit 92 = 0, Bit 93 = 1)
4.1
Saturation voltage
No input signal
7
8.3
V
C
4.2
Saturation voltage
No input signal
7
V
S - 0.2
V
C
4.3
Output voltage for
minimum gain
Bit 92 = 1
7
6.5
6.8
7.1
V
C
4.4
Output voltage for
minimum gain
Bit 92 = 1
7
V
S - 1.7
V
C
4.5
Maximum control
voltage
No signal
6
6.5
7.0
7.5
V
A
4.6
Maximum control
voltage
No signal
6
V
S - 1.5
V
B
4.7
Minimum control
voltage
AGC active
6
0.2
0.8
V
A
4.8
Maximum threshold
level
Bits 64, 65 = 1
41
97
99
102
dBV
A
5
AM Mixer, AM Mode (Bit 92 = 0, Bit 93 = 1)
5.1
Supply current
Sum of current in
pins 43, 44
43, 44
14
16
20
mA
A
5.2
Conversion
conductance
3, 41,
43, 44
4.1
mS
D
5.3
3rd-order input
intercept point
Pin 3 AC-grounded
41
IP3
AMmix
132
dBV
C
5.4
Noise figure (SSB)
Generator resistance
2.5 k
(pin 41)
43, 44
NF
AMmix
12
dB
C
5.5
Input bias DC voltage
3, 41
2.45
2.8
3.1
V
A
5.6
Input resistance
Single-ended, pin 39
AC-grounded
3, 41
13
k
D
5.7
Input capacitance
3, 41
3
pF
D
5.8
Maximum output
voltage
Differential
43, 44
12
Vpp
D
5.9
Output resistance
43, 44
100
k
D
6
FM Mixer (FM Mode (Bit 92 = 1, Bit 93 = 0)
6.1
Supply current
Sum of current in
pins 43, 44
43, 44
12
15
20
mA
A
Electrical Characteristics (Continued)
Test conditions (unless otherwise specified): VS = 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
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