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HT8950 Datasheet(PDF) 3 Page - Holtek Semiconductor Inc

Part # HT8950
Description  Voice Modulator
Download  11 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT8950 Datasheet(HTML) 3 Page - Holtek Semiconductor Inc

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Pad Coordinates
Unit:
µm
Pad
No.
XY
Pad
No.
XY
1
–957.0
720.5
10
732.0
–774.0
2
–957.0
423.5
11
984.0
–675.0
3
–957.0
210.0
12
956.5
–400.0
4
–957.0
–87.0
13
956.5
374.5
5
–957.0
–299.5
14
956.5
671.5
6
–957.0
–596.5
15
530.5
765.5
7
–962.0
–815.0
16
345.50
765.5
8
–161.5
–747.5
17
–33.50
765.5
9
200.5
–747.5
18
–287.50
765.5
Chip size: 2350
× 2080 (µm)2
∗ The IC substrate should be connected to VSS in the PCB layout artwork.
Pin Description (18 Pin Version)
Pin No.
Pin Name
I/O
Internal
Connection
Description
1
SW0
I
Pull-High
Function setting pin (for electronic setting)
2
SW1
I
Pull-High
Function setting pin (for electronic setting)
3
SW2
I
Pull-High
Function setting pin (for electronic setting)
4
VSS
I
—
Negative power supply (GND)
5
AO
O
—
Internal amplifier output
6
AIN
I
—
Internal amplifier input (inverted)
7
VDD
O
—
Positive power supply
8LAMP
O
NMOS
Open Drain
Lamp output (brightness changes with voice volume)
9
AUDIO
O
PMOS
Open Drain
Audio output
10
Vref
I
—
Internal amplifier reference voltage
11
TS
I
—
For IC test only
12
Fvib
O
—
Vibrato frequency control
13
OSC2
O
—
Oscillator output
14
OSC1
I
—
Oscillator input
15
VIB
I
Pull-High
Switch to Vibrato mode (toggle)
HT8950
3
5th May ’98


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