ATR4258 Datasheet, PDF (24/38 Pages) ATMEL Corporation – AM/FM RECEIVER IC

Electrical Characteristics (Continued)
Test conditions (unless otherwise specified): V_S = 8.5 V, T_amb = 25°C
No. Parameters
Test Conditions
Pin
Symbol Min.
Typ.
Max.
Unit
3.3 Threshold level
In-band signal
30
115
dBµV
3.4
Maximum threshold
level
Out-of-band signal
(110 MHz),
bit 64, 65 = 0
1
100
103
106
dBµV
4 AM RF-AGC, AM Mode (Bit 92 = 0, Bit 93 = 1)
4.1 Saturation voltage
No input signal
7
8.3
V
4.2 Saturation voltage
No input signal
7
4.3
Output voltage for
minimum gain
Bit 92 = 1
7
V_S - 0.2
V
6.5
6.8
7.1
V
4.4
Output voltage for
minimum gain
Bit 92 = 1
7
V_S -
1.7
V
4.5
Maximum control
voltage
No signal
6
6.5
7.0
7.5
V
4.6
Maximum control
voltage
No signal
6
V_S - 1.5
V
4.7
Minimum control
voltage
AGC active
6
0.2
0.8
V
4.8
Maximum threshold
level
Bits 64, 65 = 1
41
97
99
102
dBµV
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
5.2
Conversion
conductance
3, 41,
43, 44
4.1
mS
5.3
3^rd-order input
intercept point
Pin 3 AC-grounded
41
IP3_AMmix
132
dBµV
5.4 Noise figure (SSB)
Generator resistance
2.5 kΩ (pin 41)
43, 44
NF_AMmix
12
dB
5.5 Input bias DC voltage
3, 41
2.45
2.8
3.1
V
5.6 Input resistance
Single-ended, pin 39
AC-grounded
3, 41
13
kΩ
5.7 Input capacitance
3, 41
3
pF
5.8
Maximum output
voltage
Differential
43, 44
12
Vpp
5.9 Output resistance
43, 44
100
kΩ
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
6.2
Conversion
conductance
6.3
3^rd-order intercept
point
1, 2,
43, 44
7
1, 2
IP3_FMmix
125
mS
dBµV
6.4 Noise figure (DSB)
Generator resistance
200 Ω
43, 44
NF_FMmix
10
dB
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Type*
C
B
C
C
C
C
A
B
A
A
A
D
C
C
A
D
D
D
D
A
D
C
C
24 ATR4258
4838A–AUDR–10/04