BH76909GU-E2 Rohm Semiconductor, BH76909GU-E2 Datasheet - Page 9

• Manufacturer Part Number: BH76909GU-E2
• Description: IC VIDEO DRIVER CAP-LESS 8WLCSP
• Manufacturer: Rohm Semiconductor

Specifications of BH76909GU-E2

• Applications: Driver
• Number Of Circuits: 1
• Current - Supply: 17mA
• Current - Output / Channel: 30mA
• Voltage - Supply, Single/dual (±): 2.5 V ~ 3.45 V, ±1.25 V ~ 1.725 V
• Mounting Type: Surface Mount
• Package / Case: 8-WLCSP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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1) Decoupling capacitor only
1) Decoupling capacitor only
2) Decoupling capacitor + 10 Ω resistor
2) Decoupling capacitor + 10 Ω resistor
1uF
DAC
Other
Fig.13
Fig.12 Effects of Charge Pump Circuit Current Ripple on External Circuit
1. Current ripple due to charge pump
circuit affects power supply Vcc pin
Fig.14
or
2. Current ripple affects
DAC or other
1uF
V
IN
9/16
Waveform of current between
power supply and capacitor (A)
10 mA/div
Waveform of current between
capacitor and IC (B)
10 mA/div
Waveform of current between
power supply and capacitor (A)
10 mA/div
Waveform of current between
resistor and capacitor (B)
10 mA/div
Waveform of current between
capacitor and IC (C)
10 mA/div
Chrarge Pump
VIDEO
AMP
Vcc pin
Vcc
3.3uF
-Vcc
V
A
OUT
A
C
Vcc
B
Vcc
75
Ω
1uF
A
Technical Note
B
2009.03 - Rev.A
10
75
Ω
Ω
A
A
A
A
Vcc
Vcc