PTC PT2259
PT2259 is an 8-pin 2-channel volume controller which utilizes CMOS technology and incorporates the I2C interface control. The controller features an attenuation range of 0 to -79dB, low noise output, a high degree of stereo separation and requires only a small number of external components. PT2259 is an essential component for modern audio visual systems.- Min Voltage : 4V
- Max Voltage : 10V
- Channels : 2
Source:
Octopart
| Part No. | PT2259 |
|---|---|
| Datasheet | PT2259 Download |
| Manufacturer |  PTC |
| Description | Volume Controller |
| Buy | Stock & Price |
DESCRIPTION
APPLICATIONS
● Audio/visual surround sound systems● Car audio systems
● Mini-compo systems
● Computer multi-media speakers
● Other audio applications PT2259 Volume Controller IC
FEATURES
● Attenuation range: 0 to -79dB in 1dB steps● Operating voltage: 4 to 10V
● Low power consumption
● Low signal noise: S/N > 100dB (A-weighting)
● Stereo separation > 100dB
● Requires few external components
● 2-channel volume individual adjust
● Available in 8 Pins DIP or SOP BLOCK DIAGRAM Tel: 886-2-66296288●Fax: 886-2-29174598● No.233-1, Baociao Rd., Sindian Dist., New Taipei City 23145, Taiwan APPLICATION CIRCUIT IMPROVE VDD NOISES REJECTION LIN LOUT C1 10uF C3 10uF 1 LIN RIN 8 2 LOUT ROUT 7 3 VSS VDD 6 4 SDA SCL 5 PT2259 C2 RIN 10uF C4 10uF ROUT R1 C5 100uF 100 C6 0.1uF LIN VDD LOUT PT2259 C1 10uF C3 10uF 1 LIN RIN 8 2 LOUT ROUT 7 3 VSS VDD 6 4 SDA SCL 5 PT2259 C2 RIN 10uF C4 10uF ROUT VREG C5 C6 100uF 0.1uF VDD MCU ADD a RC filter on the VDD path MCU Use a regulated supply IMPROVE IN...
