MC145483DT Freescale Semiconductor, MC145483DT Datasheet
MC145483DT
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... For More Information On This Product, Go to: www.freescale.com Order this document by MC145483/D MC145483 DW SUFFIX SOG PACKAGE 20 CASE 751D 1 SD SUFFIX SSOP 20 CASE 940C 1 DT SUFFIX TSSOP 20 CASE 948E SUFFIX QFN CASE 1311 ORDERING INFORMATION MC145483DW SOG Package MC145483SD SSOP MC145483DT TSSOP MC145483FC QFN MC145483 ...
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... Freescale Semiconductor, Inc. 20-PIN SOG, SSOP, and TSSOP V Ref RO– PO– PO FSR BCLKR PDI For More Information On This Product, 2 PIN ASSIGNMENTS V AG TI+ TI– FST PO– BCLKT PO+ 5 MCLK FSR to: www.freescale.com 32-PIN QFN TI– FST 17 NC ...
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... Freescale Semiconductor, Inc. RO – PI – PO – + – Ref – – Figure 1. MC145483 13–Bit Linear PCM Codec–Filter Block Diagram DEVICE DESCRIPTION A PCM Codec–Filter is used for digitizing and reconstruct- ing the human voice. These devices are used primarily for the telephone network to facilitate voice switching and trans- mission ...
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... Freescale Semiconductor, Inc. PIN DESCRIPTIONS POWER SUPPLY V DD Positive Power Supply (Pin 6) This is the most positive power supply and is typically con- nected This pin should be decoupled with a 0.1 µF ceramic capacitor Negative Power Supply (Pin 15) This is the most negative power supply and is typically connected ...
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... Freescale Semiconductor, Inc. connected to the V AG voltage. This minimizes transients at the RO– pin when full–channel operation is resumed by clocking the FSR pin. This pin is high impedance when the device is in the powered–down mode. PI Power Amplifier Input (Pin 3) This is the inverting input to the PO– amplifier. The non– ...
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... Freescale Semiconductor, Inc. FUNCTIONAL DESCRIPTION ANALOG INTERFACE AND SIGNAL PATH The transmit portion of this device includes a low–noise, three–terminal op amp capable of driving a 2 kΩ load. This op amp has inputs of TI+ (Pin 19) and TI– (Pin 18) and its output is TG (Pin 17). This op amp is intended to be confi- gured in an inverting gain circuit ...
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... Freescale Semiconductor, Inc. DIGITAL I/O The MC145483 is a 13–bit linear device using 2s comple- ment data format. Table 2 shows the 13–bit data word format for the maximum positive code and negative zero and full– scale. Table 3 shows the series of eight 13–bit PCM words that correspond to a digital milliwatt ...
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... Freescale Semiconductor, Inc. FST (FSR) BCLKT (BCLKR DON’T CARE Figure 2a. Long Frame Sync (Transmit and Receive Have Individual Clocking) FST (FSR) BCLKT (BCLKR DON’T CARE Figure 2b. Short Frame Sync (Transmit and Receive Have Individual Clocking) FST (FSR) SHORT OR LONG FRAME ...
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... Freescale Semiconductor, Inc. PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS The MC145483 is manufactured using high–speed CMOS VLSI technology to implement the complex analog signal processing functions of a PCM Codec–Filter. The fully–differ- ential analog circuit design techniques used for this device result in superior performance for the switched capacitor fil- ters, the analog– ...
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... Freescale Semiconductor, Inc. If possible, reference audio signals to the V AG pin instead of to the V SS pin. Handset receivers and tele- phone line interface circuits using transformers may be audio signal referenced completely to the V AG pin. Re- For More Information On This Product, fer to the application schematics for examples of this circuitry ...
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... Freescale Semiconductor, Inc. MAXIMUM RATINGS (Voltages Referenced Pin) Rating DC Supply Voltage Voltage on Any Analog Input or Output Pin Voltage on Any Digital Input or Output Pin Operating Temperature Range Storage Temperature Range POWER SUPPLY ( – 85°C) Characteristics DC Supply Voltage Active Current Dissipation ( Power–Down Current (V IH for Logic Levels Must be ≥ ...
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... Freescale Semiconductor, Inc. ANALOG ELECTRICAL CHARACTERISTICS Characteristics Input Current Input Resistance – 0.3 V ≤ ≤ 0.3 V) Input Capacitance Input Offset Voltage Amp Input Common Mode Voltage Range Input Common Mode Rejection Ratio Gain Bandwidth Product (10 kHz Amp (R L ≥ 10 kΩ) DC Open Loop Gain Amp (R L ≥ ...
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... Freescale Semiconductor, Inc. ANALOG TRANSMISSION PERFORMANCE ( 2 All Analog Signals Referenced dBm0 = 0.436 Vrms = – 5 dBm @ 600 Ω, FST = FSR = 8 kHz, BCLKT = MCLK = 2.048 MHz Synchronous Operation – 85°C, Unless Otherwise Noted) Characteristics Absolute Gain (0 dBm0 @ 1.02 kHz 25° 3.0 V) Absolute Gain Variation with Temperature @ 3.0 V Referenced to 25° ...
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... Freescale Semiconductor, Inc. DIGITAL SWITCHING CHARACTERISTICS, LONG FRAME SYNC AND SHORT FRAME SYNC ( 2 All Digital Signals Referenced – 85° 150 pF, Unless Otherwise Noted) Ref. No. Characteristics 1 Master Clock Frequency for MCLK 1 MCLK Duty Cycle for 256 kHz Operation 2 Minimum Pulse Width High for MCLK (Frequencies of 512 kHz or Greater) ...
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... Freescale Semiconductor, Inc MCLK 1 BCLKT 11 FST BCLKR (BCLKT FSR 1 DR For More Information On This Product Figure 3. Long Frame Sync Timing Go to: www.freescale.com MC145483 ...
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... Freescale Semiconductor, Inc MCLK 12 1 BCLKT FST BCLKR FSR For More Information On This Product Figure 4. Short Frame Sync Timing Go to: www.freescale.com ...
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... Freescale Semiconductor, Inc 0.1 µF 3 2X20 k 4 – AUDIO OUT + 0.1 µ Figure 5. MC145483 Test Circuit — Signals Referenced Pin 0.1 µF AUDIO OUT R L ≥ 2 kΩ 2X20 k 68 µF AUDIO OUT + R L ≥ 150 Ω 10 kΩ 0.1 µF Figure 6. MC145483 Test Circuit — ...
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... Freescale Semiconductor, Inc. SIDETONE REC + 3 V 0.1 µ 600 Ω TIP N = 0.5 1 0.5 – 0.5 RING 0.1 µF Figure 8. MC145483 Step–Up Transformer Line Interface For More Information On This Product, 0.1 µF 0.01 µF 420 Ref kΩ RO– TI TI– PO– ...
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... Freescale Semiconductor, Inc. –A– –B– P 10X 20X 0.010 (0.25 –T– G 18X –R– –P– 0.120 (0.005 For More Information On This Product, Go to: www.freescale.com PACKAGE DIMENSIONS DW SUFFIX SOG PACKAGE CASE 751D–04 0.010 (0.25 SEATING PLANE M SD SUFFIX SSOP CASE 940C– ...
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... Freescale Semiconductor, Inc. K 20X REF 0.10 (0.004) M 0.15 (0.006 L PIN 1 IDENT 1 0.15 (0.006 –V– 0.100 (0.004) –T– SEATING PLANE For More Information On This Product, Go to: www.freescale.com DT SUFFIX TSSOP CASE 948E–02 NOTES Í Í Í Í Í Í –U– ...
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... Freescale Semiconductor, Inc. PIN 1 INDEX AREA 0 0 3.25 2. 3.25 2.95 0 0.5 32X 32X 0.3 VIEW M–M 0.065 32X 0.015 (0.25) DETAIL N PREFERRED CORNER CONFIGURATION 4 DETAIL T DETAIL M PREFERRED PIN 1 BACKSIDE INDEX For More Information On This Product, FC SUFFIX QFN CASE 1311–02 0.1 ...
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... Freescale Semiconductor, Inc. This page intentionally left blank. For More Information On This Product, Go to: www.freescale.com ...
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... Freescale Semiconductor, Inc. This page intentionally left blank. For More Information On This Product, Go to: www.freescale.com MC145483 ...
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... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer ...