PT2257-SL 查看數據表（PDF） - Princeton Technology

零件编号

产品描述 (功能)

生产厂家

PT2257-SL

Electronic Volume Controller IC

Princeton Technology 

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

Electronic Volume Controller IC

PT2257

PT2257 NOISE FLOOR-FAST FOURIER TRANSFORM (FFT) ANALYSIS 3

(Conditions: Rload=10K, Volume Att=0dB, VCC=9V, Vin=GND)

+0

-20

-40

dB

-60

-80

-100

-120

-140

-160

20

50

100

200

500

1k

2k

Hz

5k

10k

PT2257 THD VS. OUTPUT LEVEL

(Conditions: Rload=10K, Volume Att=0dB, VCC=9V, f=1KHz, A-weighted)

20

5

1

% 0.1

0.01

0.001

1m 2m

5m 10m 20m

50m 100m 200m

Vrms

500m 1

2

4

PT2257 V1.3

- 12 -

December, 2006

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