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8. Electrical Characteristics (Continued)
Test conditions (unless otherwise specified): V S = 8.5V, T amb = 25°C
No.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
Out-of-band signal
3.4
Maximum threshold level
(110 MHz),
1
100
103
106
dBμV
B
bit 64, 65 = 0
4
AM RF-AGC, AM Mode (Bit 92 = 0, Bit 93 = 1)
4.1
4.2
Saturation voltage
Saturation voltage
No input signal
No input signal
7
7
8.3
V S – 0.2
V
V
C
C
4.3
4.4
4.5
4.6
4.7
4.8
Output voltage for
minimum gain
Output voltage for
minimum gain
Maximum control
voltage
Maximum control
voltage
Minimum control
voltage
Maximum threshold
level
Bit 92 = 1
Bit 92 = 1
No signal
No signal
AGC active
Bits 64, 65 = 1
7
7
6
6
6
41
6.5
6.5
97
6.8
V S – 1.7
7.0
V S – 1.5
0.2
99
7.1
7.5
0.8
102
V
V
V
V
V
dBμV
C
C
A
B
A
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
5.4
3 rd -order input intercept
point
Noise figure (SSB)
Pin 3 AC-grounded
Generator resistance
2.5 k Ω (pin 41)
41
43, 44
IP3 AMmix
NF AMmix
132
12
dBμV
dB
C
C
5.5
5.6
5.7
5.8
5.9
Input bias DC voltage
Input resistance
Input capacitance
Maximum output
voltage
Output resistance
Single-ended, pin 39
AC-grounded
Differential
3, 41
3, 41
3, 41
43, 44
43, 44
2.45
12
100
2.8
13
3.1
3
V
k Ω
pF
Vpp
k Ω
A
D
D
D
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
6.2
Conversion
conductance
1, 2, 43,
44
7
mS
D
6.3
3 rd -order intercept point
1, 2
IP3 FMmix
125
dBμV
C
6.4
6.5
6.6
Noise figure (DSB)
Input resistance
Input capacitance
Generator resistance
200 Ω
Pin 2 AC-grounded
43, 44
1, 2
1
NF FMmix
10
1.6
5
dB
k Ω
pF
C
D
D
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
24
ATR4258
4838B–AUDR–05/05
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