BD3814FV
2ch/ 6ch Electronic Volume

ROHM's 2ch / 6ch electronic volume ICs feature a wide dynamic range (131dB / 133dB). In addition, two ICs can be paired up via serial bus control for 8ch operation.

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Product Detail

 
Part Number | BD3814FV-E2
Status | Active
Package | SSOP-B40
Unit Quantity | 2000
Minimum Package Quantity | 2000
Packing Type | Taping
RoHS | Yes

Specifications:

Vcc(Min.)[V]

10.0

Vcc(Max.)[V]

14.6

Iq[mA]

14.0

I/F

2-wire

Outputs

6

Volume Range

0to-95dB 1dB / step

Tone Control Band

BASS, Treble

Input Gain[dB]

-

THD[%]

0.001

Output Noise[µVrms]

1

Output voltage(Max.)[Vrms]

4.3

Operating Temperature (Min.)[°C]

-20

Operating Temperature (Max.)[°C]

75

Features:

・ Dynamic range : 132dB (tone bypath, VOL = MUTE, IHF-A).
・ Master volume 6ch independent (0 to -95dB, MUTE 1dB/step).
・ Low current consumption design by use of Bi-CMOS process.
・ Maximum output voltage : 4.3Vrms (Vcc=7V, VEE=-7V, RL=10kΩ).
・ Built-in 2 OP amplifiers.
・ 2-line serial control (for both 3.3V and 5V).
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Technical Articles

Schematic Design & Verification

  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Thermal Resistance

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  • SSOP-B40 Footprint / Symbol
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