T4260-ILQH Atmel, T4260-ILQH Datasheet - Page 25

• Manufacturer Part Number: T4260-ILQH
• Description: IC AM/FM FRONT END W/PLL 44SSOP
• Manufacturer: Atmel

Specifications of T4260-ILQH

• Frequency: AM, FM
• Modulation Or Protocol: AM, FM
• Applications: AM/FM Radio Receiver
• Current - Receiving: 85mA
• 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: Lead free / RoHS Compliant
• Features: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -

11. Input/Output Interface Circuits
11.1
4528N–AUDR–11/09
VTUNE, AMLF and FMLF (Pins 16-18)
Maximum tuning voltage < (V
e.g.: maximum tuning voltage = (10V + 3V – 1V)/2 = 6V
It is also possible to reduce the gain or the offset value instead of (or along with) the tuning
voltage.
Figure 10-4. Internal Components of DAC1, 2
VTUNE is the loop amplifier output of the PLL. The bipolar output stage is a rail-to-rail amplifier.
Figure 11-1. Internal Components at VTUNE, AMLF and FMLF
VTUNE
V
S
DAC1, 2
S
+ 3 V - DAC offset)/DAC gain factor
V
S
V
S
V
5
AMLF/FMLF
T4260
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