Datasheet > MSM6997VGS-K

MSM6997VGS-K

更新时间： 2024-01-19 03:32:57

品牌	Logo	应用领域
冲电气 - OKI		PC 光电二极管
页数	文件大小	规格书
21页	206K
描述
PCM Codec, MU-Law, 1-Func, CMOS, PDSO24, 0.430 INCH, 1.27 MM PITCH, PLASTIC, SOP-24

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MSM6997VGS-K 数据手册

¡ Semiconductor

MSM6996H/6996V/6997H/6997V/6998/6999

PIN AND FUNCTIONAL DESCRIPTIONS

AIN+, AIN–, GSX

These three pins are used for the transmit level adjustment.

AIN+isanon-invertinganaloginputpinwhichisconnectedtothenon-invertinginputofatransmit

amplifier.

AIN– is an inverting analog input pin which is connected to the inverting input of the transmit

amplifier.

GSX is a transmit amplifier output pin.

Adjustment can be done by following method.

AIN+

Analog

Active

Filter

Input

AIN–

GSX

–

Gain = 1 +

< 10

Notes: 1. R + R > 10 kW

2. When the DC off-set voltage of analog input is more than 20 mV, C1 and R1 should

provide for DC blocking.

Inthiscase,cut-offfrequencyofHPF,composedbyR andC ,shouldbelessthan30Hz.

3. R should be less than 20 kW

AG is an analog ground.

AG is connected to the analog system ground.

AOUT

AOUT is the analog signal output pin for the MSM6996H/V and MSM6997H/V.

The output voltage range is 5 V . This output can drive the 600 W resistor.

AOUT+, AOUT–

Analog output for the MSM6998 and MSM6999.

Theoutputsignalamplitudesare5V .TheAOUT–outputisinvertedtotheAOUT+output.These

outputs can drive a 600 W impedance.

is the positive power supply.

The voltage supplied to this pin should be +5 V ±5%.

5/21

1 2 3 456 7 8...21

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