ICs for TV
AN5767K
Synchronizing signal processing IC
s Overview
The AN5767K is a synchronizing signal processing IC with built-in frequency divider circuit for horizontal and vertical synchronizing signal. Input signal is outputted after being devided by two.
1.778
2.5±0.25 6.0±0.3 3.5±0.25 13
1.1±0.25 0.5±0.1
Unit: mm
s Features
• Built-in dividing-by-two circuit for horizontal synchronizing signal • Built-in dividing-by-two circuit for vertical synchronizing signal • On/off switch function of dividing output • Gain control function of dividing output
23.32±0.3
1.65±0.25
1
0.3–0.05 3.0±0.3
+0.1
s Applications
• CRT monitors
SSIP013-P-0000
s Block Diagram
0 V to 5 V
4 10 5 13
1
VCC
1.1±0.25
Gain control
SW
11
Out-H
0 V to 5 V
Gain control
SW
2
Out-V
12
7
6
9 On/off
GND1
GND2
H-sync.
8
V-sync.
On/off
3
1
AN5767K
s Pin Descriptions
Pin No. 1 2 3 4 5 6 7 Description Power supply 12 V(VCC) Freq.-divided output1 output Freq.-divided output2 on/off Freq.-divided output2 control input Freq.-divided output1 control input V-sync. input GND1 Pin No. 8 9 10 11 12 13 H-sync. input Freq.-divided output1 on/off Description
ICs for TV
Freq.-divided output2 control resistor Freq.-divided output2 output GND2 Freq.-divided output1 control resistor
s Absolute Maximum Ratings
Parameter Supply voltage Supply current Power dissipation
*2 *1
Symbol VCC ICC PD Topr Tstg
*1
Rating 13.5 25 337.5 −25 to +75 −55 to +150
Unit V mA mW °C °C
Operating ambient temperature Storage temperature
Note) *1: Except for the operating ambient temperature, and storage temperature, all ratings are for Ta = 25°C. *2: The power dissipation shown is for the IC package in free air at Ta = 75°C.
s Recommended Operating Range
Parameter Supply voltage Symbol VCC Range 10.8 to 13.2 Unit V
s Electrical Characteristics at Ta = 25°C
Parameter Circuit current Circuit voltage 1 Circuit voltage 2 Circuit voltage 3 Circuit voltage 4 Freq.-divided output2 output current 1 Freq.-divided output2 output current 2 Freq.-divided output2 output current 3 Freq.-divided output1 output current 1 Freq.-divided output1 output current 2 Freq.-divided output1 output current 3 2 Symbol ICC V10(1) V10(2) V13(1) V13(2) I11(1) I11(2) I11(3) I2(1) I2(2) I2(3) Conditions VCC = 12 V VCC = 12 V, V4 = 0 V VCC = 12 V, V4 = 5 V VCC = 12 V, V5 = 0 V VCC = 12 V, V5 = 5 V VCC = 12 V, V3 = 5 V, V4 = 5 V, R = 120 kΩ VCC = 12 V, V3 = 0 V, V4 = 5 V VCC = 12 V, V3 = 5 V, V4 = 0 V VCC = 12 V, V5 = 5 V, V9 = 5 V, R = 20 kΩ VCC = 12 V, V5 = 5 V, V9 = 0 V VCC = 12 V, V5 = 0 V, V9 = 5 V Min 4.8 − 0.1 4.60 − 0.1 4.60 30 −5 −5 −3.0 − 0.05 − 0.05 Typ 5.9 0.0 4.85 0.0 4.85 40 0 0 −2.5 0 0 Max 7.2 +0.1 5.10 +0.1 5.10 50 +5 +5 −2.0 +0.05 +0.05 Unit mA V V V V µA µA µA mA mA mA
ICs for TV
s Electrical Characteristics at Ta = 25°C (continued)
• Design reference data
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
AN5767K
Parameter V-sync. dividing operation H-sync. dividing operation H-sync. dividing operation polarity between field V-sync. input H-sync. input V-sync. input H-sync. input
Symbol fV2 fH11 fH11P VVS VHS fVIN fHIN
Conditions Pin 2 output frequency at pulse input to pin 6 Pin 11 output frequency at pulse input to pin 8 Pin 11 output frequency at pulse input to pin 6 Threshold value Threshold value Operating frequency Operating frequency
Min 30 15
Typ fV2 = 1/2fV6 fH11 = 1/2fH8 fH11 = 1/2fV6 2.5 2.5
Max 200 150
Unit Hz Hz Hz V V Hz kHz
s Terminal Equivalent Circuits
Pin No. 1 Equivalent circuit Description Power supply 12 V (VCC): Supply pin Apply DC 12 V. VCC Freq.-divided output1: Freq.-divided output of V-sync. Outputted with current DC voltage (V) 12
1
2
VCC
2
3
VCC
Freq.-divided output2 on/off: On/off changeover pin for freq.-divided output2 Off at 0 V.
3
5 kΩ
10 kΩ
4
VCC
4
Freq.-divided output2 control input: Control input pin for freq.-divided output2 Apply DC 0 V to 5 V.
0 to 5
3 kΩ
3
AN5767K
s Terminal Equivalent Circuits (continued)
Pin No. 5 Equivalent circuit VCC Description Freq.-divided output1 control input: Control input pin for freq.-divided output1 Apply DC 0 V to 5 V.
ICs for TV
DC voltage (V) 0 to 5
5
3 kΩ
6 VCC
V-sync. input: Input pin for V-sync. Input negative polarity pulse.
5
6
3 kΩ
2.5 V
0
7 7 To 12 8 VCC
GND1: Ground pin
0
8
3 kΩ
2.5 V
H-sync. input: Input pin for H-sync. Possible to input with both polarities, but phase will be delayed by a pulse width if pulse is inputted with positive polarity.
5
0
9
VCC
Freq.-divided output1 on/off: On/off changeover pin for freq.-divided output1. Off at 0 V.
9
5 kΩ
10 kΩ
10
VCC
10
200 kΩ 3 kΩ
Control resistor for freq.-divided output2: Resistor pin to determine freq.-divided output2 output current. Connect the resistor (recommended 120 kΩ) from this pin to GND.
0 to 5
4
ICs for TV
s Terminal Equivalent Circuits (continued)
Pin No. 11 Equivalent circuit Description
AN5767K
DC voltage (V)
VCC
Freq.-divided output2: Freq.-divided output of H-sync.. Outputted with current.
11
12
12 To 7
13
GND2: Ground pin
0
VCC
13
200 kΩ 3 kΩ
Freq.-divided output1 control input: Resistor pin to determine freq.-divided output1 output current. Connect the resistor (recommended 20 kΩ) between this pin and GND.
0 to 5
s Usage Notes
ECL is used for flip-flop circuit. Use the condition of tr ≤ 10 µs and tf ≤ 10 µs for H-sync. and V-sync. respectively.
tf
tr 5V 2.5 V 0V (Threshold value)
5
AN5767K
s Application Circuit Example
ICs for TV
10
11
12
VCC 1
VCC 12 V
20 µF
R10 120 kΩ
13
R13 20 kΩ Unit V V V V mA mA Ω Ω
2
3
4
5
6
7
8
2 kΩ 1 kΩ 6.8 kΩ 5 kΒ 6.8 kΩ 5 kΒ
5V 0V V-sync. H-sync.
5V 0V
1. Recommended application conditions Parameter Freq.-divided output2 control input Freq.-divided output1 control input H-sync. input V-sync. input Freq.-divided output2 output current Freq.-divided output1 output current Recommended resistance Recommended resistance 2. Freq.-divided output2 on/off
At V3 = 0 V At V3 = open 12 V 12 V Pin 11 output Pin 11 output
Symbol V4−7 V5−7 V8−7 V6−7 I11 I2 R10 R13
9
Range 0 to 6 0 to 6 0 to 6 0 to 6 0 to 1 −10 to 0 20k to 200k 10k to 200k
3. Freq.-divided output1 on/off At V9 = 0 V
At V9 = open
0V 0V
Pin 2 output Pin 2 output
6
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