MC145483DW datasheet(6/19 Pages) MOTOROLA

tên linh kiện	MC145483DW

Giải thích chi tiết về linh kiện	3V 13-BIT LINEAR PCM CODEC-FILTER

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nhà sản xuất	MOTOROLA [Motorola, Inc]

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MC145483

MOTOROLA

6

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. The digital milliwatt is the

1 kHz calibration signal reconstructed by the DAC that de-

fines the absolute gain or 0 dBm0 transmission level point

(TLP) of the DAC. The calibration level for this 13–bit linear

ADC and DAC is referenced to Mu–Law with the same bit

voltage weighting about the zero crossing. This results in the

0 dBm0 calibration level being 3.20 dB below the peak sinu-

soidal level before clipping. Refer to Figures 2a–2d for a

summary and comparison of the four PCM data interface

modes of this device.

Table 2. PCM Codes for Zero and Full–Scale

Level

Sign Bit

Magnitude Bits

+ Full Scale

0

1111 1111 1111

+ One Step

0

0000 0000 0001

Zero

0

0000 0000 0000

– One Step

1

1111 1111 1111

– Full Scale

1

0000 0000 0000

Table 3. PCM Codes for 1 kHz Digital Milliwatt

Level

Sign Bit

Magnitude Bits

π/8

3

π/8

5

π/8

7

π/8

9

π/8

11

π/8

13

π/8

15

π/8

Số phần tương tự - MC145483DW

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Freescale Semiconductor...	MC145483ENR2	1Mb / 24P	3 V 13-BIT LINEAR PCM CODEC-FILTER

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Mô tả tương tự - MC145483DW

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Motorola, Inc	MC145482	221Kb / 19P	5V 13-BIT LINEAR PCM CODEC-FILTER
Freescale Semiconductor...	MC145483ENR2	1Mb / 24P	3 V 13-BIT LINEAR PCM CODEC-FILTER
Motorola, Inc	MC145481	319Kb / 23P	3V PCM CODEC-FILTER
Winbond	W681360	520Kb / 34P	3V SINGLE-CHANNEL 13-BIT LINEAR VOICE-BAND CODEC
Nuvoton Technology Corp...	W681360	758Kb / 34P	3V SINGLE-CHANNEL 13-BIT LINEAR VOICE-BAND CODEC
Motorola, Inc	MC145402	137Kb / 16P	Serial 13-Bit Linear Codec
KODENSHI_AUK CORP.	KK145567	373Kb / 10P	PCM CODEC - FILTER
Motorola, Inc	MC145554	342Kb / 20P	PCM Codec-Filter
LANSDALE Semiconductor ...	ML145554	1Mb / 18P	PCM Codec-Filter
Integral Corp.	IL145567	355Kb / 10P	PCM CODEC - FILTER

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