TDA9109A Ver la hoja de datos (PDF) - STMicroelectronics
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TDA9109A Datasheet PDF : 47 Pages
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TDA9109A
PIN CONNECTIONS
Pin
Name
Func tion
1
H/HVIN
TTL compatible Horizontal sync Input (separate or composite)
2
VSYNCIN
TTL compatible Vertical sync Input (for separated H&V)
3
HLOCKOUT
First PLL Lock/Unlock Output (0 V: Unlocked - 5 V: Locked)
4
PLL2C
Second PLL Loop Filter
5
C0
Horizontal Oscillator Capacitor
6
R0
Horizontal Oscillator Resistor
7
PLL1F
First PLL Loop Filter
8
HPOSITION
Horizontal Position Filter (capacitor to be connected to HGND)
9
HFOCUSCAP Horizontal Dynamic Focus Oscillator Capacitor
10 FOCUS OUT Mixed Horizontal and Vertical Dynamic Focus Output
11 HGND
Horizontal Section Ground
12 HFLY
Horizontal Flyback Input (positive polarity)
13 HREF
Horizontal Section Reference Voltage (to be filtered)
14 COMP
B+ Error Amplifier Output for frequency compensation and gain setting
15 REGIN
Regulation Input of B+ control loop
16
ISENSE
17 B+GND
Sensing of external B+ switching transistor current,or switch for step-down converter
Ground (related to B+ reference adjustment)
18 BREATH
DC Breathing Input Control (compensation of vertical amplitude against EHV variation)
19 VGND
Vertical Section Ground
20 VAGCCAP
Memory Capacitor for Automatic Gain Control Loop in Vertical Ramp Generator
21
VREF
22 VCAP
Vertical Section Reference Voltage (to be filtered)
Vertical Sawtooth Generator Capacitor
23 VOUT
Vertical Ramp Output (with frequency independant amplitude and S or C Corrections if
any). It is mixed with vertical position voltage and vertical moiré.
24 EWOUT
Pin Cushion - E/W Correction Parabola Output
25 XRAY
X-RAY protection input (with internal latch function)
26 HOUT
Horizontal Drive Output (NPN open collector)
27 GND
28 BOUT
General Ground (referenced to VCC)
B+ PWM Regulator Output
29
VCC
30 SCL
31 SDA
Supply Voltage(12V typ)
I2C Clock Input
I2C Data Input
32 5V
Supply Voltage (5V typ.)
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