Details, datasheet, quote on part number: TDA8041
PartTDA8041
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Description
CompanyN.A.
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Features, Applications

Preliminary specification File under Integrated Circuits, IC03 November 1994

FEATURES Generates all control signals for Quadrature Phase-Shift Keying (QPSK) and Binary Phase-Shift Keying (BPSK) demodulation Can be used in applications with low Eb/No and high symbol rate (up 106 symbols/s) Digital I and Q outputs (3 bits) for soft decision within error correction Two matched analog-to-digital converters to quantize the I and Q signals A digital detector for each control loop to generate the required control signals Digital-to-analog converters and operational amplifiers to allow high flexibility for loop time constants Special input stage to interface with the voltage controlled crystal oscillator Positive 5 V supply voltage. QUICK REFERENCE DATA SYMBOL VDD(A) VDDA(C) VDD(I/O) VDDD VDD(C) IDD(tot) VIQ Rsym IO(DAC) PARAMETER supply voltage for operational amplifiers (pin 5) analog supply voltage for converters (pin 20) supply voltage for digital inputs/outputs (pin 30) supply voltage for digital section (pin 35) supply voltage for digital part of ADC and DAC (pin 42) total supply current I and Q input voltage symbol rate DAC output current VDD 5 V CONDITIONS MIN. TYP. APPLICATIONS

Demodulation of BPSK and QPSK modulated signals in satellite and telephone applications.

ORDERING INFORMATION PACKAGE TYPE NUMBER NAME TDA8041H Note 1. When using reflow soldering it is recommended that the Drypack instructions in the "Quality Reference Handbook" (order number 510 63011) are followed. QFP44(1) DESCRIPTION plastic quad flat package; 44 leads (lead length 1.3 mm); body mm; high stand-off height VERSION SOT307-2

12 AGC data AGC 2 DAC CLK1 I CLK DAC CLK2 I bias I bias BIAS GENERATOR I bias ADC DAC OPAMP 25 I AGC 13

V SS(A) V SSA(C) SS1 V DD(I/O) V DDD V SS(C) V DD(A) SS2 V DDA(C) V SS(I/O) V SSD V DD(C)

 

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