T4258-ILQ Atmel, T4258-ILQ Datasheet - Page 4

• Manufacturer Part Number: T4258-ILQ
• Description: IC RECEIVER AM/FM FRONT 44-SSOP
• Manufacturer: Atmel

Specifications of T4258-ILQ

• Frequency: AM, FM
• Modulation Or Protocol: AM, FM
• Applications: AM/FM Radio Receiver
• Current - Receiving: 100mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 8 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: -

T4258
Electrical Characteristics (continued)
Test conditions (unless otherwise specified): V
for AC parameters: fi
4 (17)
AM-1st IF Amplifier (10.7 MHz)
Input resistance
IF preamplifier gain
Preamplifier control range
Output intercept point 3rd
order
Noise figure
Mixer 2 (450 kHz)
DC supply current
Conversion conductance
io
Maximum IF output
Output impedance
Input intercept point 3rd
order
Input resistance
2nd IF Amplifier (450 kHz)
Input resistance
IF preamplifier gain
Preamplifier control range
IF2 Output (Pin 20)
Output level
Oscillator
Oscillator amplitude
Frequency range
Harmonics
Output resistance
Programmable oscillator
divider
if2
/vi
if1
Parameter
RF
= 1 MHz, Rg = 50 W, f
R
R
Q of L
Range
FM Europe
FM Japan
AM
WB
L
g
Test Conditions / Pins
= 330 W
(Pin 13) = 220 W,
osc
= 70
Pin 23 – GND
Pin 24 – GND
S
MOD
Pins 33 to 30
Pin 28 to 20
= +8.5 V, T
Pin 23 + 24
Pins 23, 24
= 0.4 kHz, m = 0.3, f
Pin 33
Pin 28
Pin 16
Pin 16
amb
= +25 C
Symbol
V
R
V
V
Nosc
f
Vo
S
IP3
IP3
LObuf
LObuf
OSC
R
C
Ri
R
R
LOB
LOE
G
G
F
m2
o
o
IF
i
i
IF
= 450 kHz, reference point Pin 4
Min.
70
70
1
Typ.
100
137
133
330
200
160
100
1.5
15
26
10
10
53
47
90
70
2
8
1
3
3
2
3
2
Rev. A1, 10-Jan-01
Max.
220
260
–15
3
mA/V
dB V
dB V
MHz
Unit
MW
dBc
mA
V
mV
mV
mV
mV
kW
kW
dB
dB
dB
dB
dB
pF
W
W
pp