U4255BM-MFN Atmel, U4255BM-MFN Datasheet - Page 20

• Manufacturer Part Number: U4255BM-MFN
• Description: IC RCVR AM/FM FRONT-END 44-SSOP
• Manufacturer: Atmel

Specifications of U4255BM-MFN

• Frequency: 70MHz ~ 160MHz
• Modulation Or Protocol: AM, FM
• Applications: AM/FM Radio Receiver
• Current - Receiving: 50mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 7.5 V ~ 10 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -

Electrical Characteristics (Continued)
Test conditions (unless otherwise specified): V
20
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
No.
3.1
3.2
3.3
3.4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
6.1
6.2
3
4
5
6
Parameters
FM RF-AGC
Saturation voltage
Saturation voltage
Threshold level
Maximum threshold
level
AM RF-AGC, AM Mode (Bit 92 = 0, Bit 93 = 1)
Saturation voltage
Saturation voltage
Output voltage for
minimum gain
Output voltage for
minimum gain
Maximum control
voltage
Maximum control
voltage
Minimum control
voltage
Minimum threshold
level
AM Mixer, AM Mode (Bit 92 = 0, Bit 93 = 1)
Supply current
Conversion
conductance
3
intercept point
Noise figure (SSB)
Input bias DC voltage
Input resistance
Input capacitance
Maximum output
voltage
Output resistance
FM Mixer (FM Mode (Bit 92 = 1, Bit 93 = 0)
Supply current
Conversion
conductance
U4255BM-M
rd
-order input
Test Conditions
No input signal
No input signal
In-band signal
Out-of-band signal
(110 MHz),
Bit 64, 65 = 0
No input signal
No input signal
Bit 92 = 1
Bit 92 = 1
V(Pin 8) = 3 V
V(Pin 8) = 3 V
V(Pin 8) = 6 V
Bits 62, 63 = 0
Sum of current in
Pins 43, 44
Pin 3 AC-grounded
Generator resistance
2.5 k (Pin 41)
Single-ended, Pin 39
AC-grounded
Differential
Sum of current in
Pins 43, 44
S
= 8.5 V, T
43, 44
43, 44
43, 44
43, 44
43, 44
43, 44
43, 44
3, 41,
3, 41
3, 41
3, 41
1, 2,
Pin
30
41
41
amb
5
5
1
7
7
7
7
6
6
6
= 25°C.
Symbol
IP3
NF
AMmix
AMmix
V
V
Min.
100
100
S
S
8.3
8.3
6.5
6.5
2.4
97
14
12
15
-0.2
-0.2
V
V
Typ.
17.5
110
102
132
S
S
6.8
7.0
0.2
4.1
2.6
2.5
99
16
14
-1.7
-1.5
7
Max.
104
101
7.1
7.5
0.7
2.9
20
20
3
dB V
dBµV
dBµV
dBµV
Unit
Vpp
mA
mS
mA
mS
k
k
dB
pF
V
V
V
V
V
V
V
V
V
V
4519A–AUDR–03/02
Type*
D
D
C
C
D
D
D
D
D
A
B
A
A
B
A
B
A
B
A
A
A
A
A