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ACE9030, ACE9030 IW, ACE9030AIWFP20

Table of contents:
Info of ACE9030
Info of ACE9030 IW
Info of ACE9030AIWFP20

ACE9030, ACE9030 IW, ACE9030AIWFP20 Selling Leads, Datasheet

MFG:MITEL Package Cooled:TQFP D/C:99+

ACE9030, ACE9030 IW, ACE9030AIWFP20 Picture

ACE9030, ACE9030 IW, ACE9030AIWFP20 Datasheet download

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Part Number: ACE9030

MFG: MITEL

Package Cooled: TQFP

D/C: 99+

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ACE9030 General Description

ACE9030 is a combined radio interface circuit and twin synthesiser, intended for use in a cellular telephone.

The radio interface section contains circuits to monitor and control levels such as transmit power in the telephone, circuits to demodulate the frequency modulated signal to audio, and a crystal oscillator with a frequency multiplier.

The Main synthesiser has normal and fractional-N modes both with optional speed-up to select the desired channel. The Auxiliary synthesiser is used for the transmit-receive offset and for modulation.

Both sections are controlled by a serial bus and have software selected power saving modes for battery economy. The circuit techniques used have been chosen to minimise external components and at the same time give very high performance.

ACE9030 Maximum Ratings

Supply voltage from ground ......... 0.3 V to + 6.0 V
(any VDD to any V_SS)
Supply voltage difference ............. 0.3 V to + 0.3 V
(any VDD to any other V_DD)
Input voltage ..................V_SS 0.3 V to V_DD + 0.3 V
(any input pin to its local V_SS and V_DD)
Output voltage ...............V_SS 0.3 V to V_DD+ 0.3 V
(any output pin to its local V_SS and V_DD)
Storage temperature ............. 55 °C to + 150 °C
Operating temperature ............ 40 °C to + 85 °C

These are not the operating conditions, but are the absolute limits which if exceeded even momentarily may cause permanent damage. To ensure sustained correct operation the device should be used within the limits given under Electrical Characteristics.

To avoid any possibility of latch-up the substrate connec-tions V_DDSUB and V_DDSUB2 must be the most positive of all V_DD's at all times including during power on and off ramping. As the current taken through these V_DD's is significantly less than through the other V_DD's this requirement can be easily met by directly connecting all VDD pins to a common point on the circuit board but with the decoupling capacitors distributed to minimise cross-talk caused by common mode currents. If low value series resistors are to be included in the V_DD connections,with decoupling capacitors by the ACE9030 pins to further reduce interference, the V_DDSUB and V_DDSUB2 pins should not have such a resistor in order to guarantee that their voltage is not slowed down at power-on. Power switches to DOUT0 and DOUT1 are supplied from V_DDX and are specified for a total current of up to 40 mA so any resistor in the V_DDXconnection must be very low, around 1W, in order to avoid excessive voltage drop; it is recommended that this supply
has no series resistor. These two methods are shown in circuit diagrams, figures 4 and 5. In both circuits the main V_DD must also have good decoupling.

ACE9030 Features

· Low Power Low Voltage (3·6 to 5·0 V) Operation
· Serial Bus Controlled Power Down Modes
· Simple Programming Format
· Reference Crystal Oscillator
· Frequency Multiplier for LO2 Signal
· 8.064 MHz Output for External Microcontroller
· Main Synthesiser with Fractional-N Option
· Auxiliary Synthesiser
· Main Synthesiser Speed-up Options
· FM Discriminator for 450 kHz or 455 kHz I.F. Signal
· Radio System Control Interface
· Part of the ACE Integrated Cellular Phone Chipset
· TQFP 64 pin 0.4 mm and 0.5 mm pitch packages

ACE9030 Typical Application

· AMPS and TACS Cellular Telephone
· Two-way Radio Systems

ACE9030 Connection Diagram

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