NTE NTE7132 Datasheet

NTE7132

Integrated Circuit
Horizontal and Vertical Deflection Controller
for VGA/XGA and Multi–Frequency Monitors

Description:

The NTE7132 is an integrated circuit in a 20–Lead DIP type package. This device is designed to pro­vide an economical solution in VGA/XGA and multifrequency monitors by incorporating complete
horizontal and vertical small signal processing. VGA–dependent mode detection and setting are per­formed on–chip.

Features:

D VGA Operation Fully Implemented Including Alignment–Free Vertical and E/W Amplitude

Pre–Settings

D 4th VGA Mode Easy Applicable (XGA, Super VGA)
D Mulit–Frequency Operation Externally Selectable
D All Adjustments DC–Controllable
D Alignment–Free Oscillators
D Sync Separators for Video or Horizontal and Vertical TTL Sync Levels Regardless or Polarity
D Horizontal Oscillator with P

for Sync and P

LL1

D Constant Vertical and E/W Amplitude in Multi–Frequency Operation
D Internal Supply Voltage Stabilization with Excellent Ripple Rejection to Ensure Stable Geometrical

Adjustments

for Flyback

LL2

Absolute Maximum Ratings:

Supply Voltage (Pin1), V
Voltage (Pin3, Pin7), V
Voltage (Pin8), V

8

Voltage (Pin5, Pin6, Pin9, Pin10, Pin13, Pin14, Pin18), V
Current (Pin2), I
Current (Pin3), I
Current (Pin7), I
Current (Pin8), I

2
3
7
8

Electrostatic Handling for All Pins (Note 1), V
Operating Junction Temperature, T
Operating Ambient Temperatrure Range, T
Storage Temperature Range, T
Thermal Resistance, Junction–to–Ambient (In Free Air), R

3

P

, V

7

n

esd

J

A

stg

thJA

Note 1. Equivalent to discharging a 200pF capacitor through a 0Ω series resistor.

–0.5 to +16V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–0.5 to +16V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–0.5 to +7V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–0.5 to +6.5V. . . . . . . . . . . . . . . . . . . . . .

±10mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

100mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–10mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±300V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

+150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–55° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

65K/W. . . . . . . . . . . . . . . . . . . . . . . .

Electrical Characteristics: (VP = 12V, TA = +25°C unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Supply

Supply Voltage (Pin1) V
Supply Current I

P

P

Internal Reference Voltage

Internal Reference Voltage V

ref

Temperature Coefficient TC TA = +20° to +100°C – – ±90 10–6/K
Power Supply Ripple Rejection PSRR f = 1kHz Sine Wave 60 75 – dB

f = 1MHz Sine Wave 25 35 – dB

Supply Voltage (Pin1) to Ensure All Internal

V

P

Reference Voltages
Composite Sync Input (AC–Coupled, V10 = 5V)
Sync Amplitude of Video Input Signal (Pin9) V

i sync

Sync on Green, RS = 50Ω – 300 – mV
Top Sync Clamping Level 1.1 1.32 1.5 V
Slicing Level Above Top Sync Level 90 120 150 mV
Allowed Source Resistance for 7% Duty Cycle R
Differential Input Resistance r
Charging Current of Coupling Capacitor I
Vertical Sync Integration Time to Generate

t

V

S

9

9

int

> 200mV – – 1.5 kΩ

i sync

During Sync – 80 – Ω

V9 > 1.5V 1.7 2.6 3.4 µA

Sync Pulse
Horizontal Sync Input (DC–Coupled, TTL–Compatible)
Sync Input Signal (Peak Value, Pin9) V

u sync

Slicing Level 1.2 1.4 1.6 V
Minimum Pulse Width t
Rise Time and Fall Time tr, t
Input Current I

p

f

V9 = 0.8V – – –200 µA

9

V9 5.5V – – 10 µA
Automatic Horizontal Polarity Switch (H–Sync on Pin9)
Horizontal Sync Pulse Width Related to t

H

t

p H/tH

(Duty Cycle for Automatic Polarity Correction)

Delay Time for Changing Sync Polarity t

p

Vertical Sync Input (DC–Coupled, TTL–Compatible,,V–Sync on Pin10)
Sync Input Signal (Peak Value, Pin10) V

i sync

Slicing Level 1.2 1.4 1.6 V
Input Current I
Maximum Vertical Sync Pulse Width for

t

p V

0 < V10 < 5.5V – – ±10 µA

10

Automatic Vertical Polarity Switch
Horizontal Mode Detector Output (VGA Mode)
Output Saturation Voltage LOW

V

I7 = 6mA – 0.275 0.33 V

7

(For Modes 1, 2, and 3)
Output Voltage HIGH Mode 4 – – V
Load Current to Force VGA Mode–Dependent

I

Modes 1, 2, and 3 2 – 6 mA

7

Vertical and Parabola Amplitudes
Output Current Mode 4 – 0 – mA

9.2 12.0 16.0 V
– 40 – mA

6.0 6.25 6.5 V

9.2 – 16.0 V

7 10 13 µs

1.7 – – V

700 – – ns

10 – 500 ns

– – 30 %

0.3 – 1.8 ms

1.7 – – V

– – 300 µs

P

V

Electrical Characteristics (Cont’d): (VP = 12V, TA = +25°C unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

VGA/Multi–Frequency Mode Switch

Input Voltage LOW to Force Multi–Frequency

Mode

Horizontal Comparator P

LL1

Upper Control Voltage Limitation V
Lower Control Voltage Limitation

Control Current I

Horizontal Oscillator

Center Frequency f

Deviation of Center Frequency ∆f
Temperature Coefficient TC – – ±150 10–6/K
Relative Holding/Catching Range ϕH/t
External Oscillator Resistor R
Voltage at Reference Current Input (Pin18) V

Control Voltage ∆V

Horizontal P

LL2

Upper Clamping Level of Flyback Input V
Lower Clamping Level of Flyback Input I2 = –1mA – –0.75 – V
H–Flyback Slicing Level – 3.0 – V
Input Current I

Delay Between Middle of Sync and Middle of

H–Flyback Related to t

H

Upper Control Voltage Limitation V
Lower Control Voltage Limitation – 1.6 – V
Control Current I
P

Control range Related to t

LL2

H

Horizontal Output (Open–Collector)
Output Voltage LOW V

tH Duty Cycle tp/t
Threshold to Activate Too Low Supply Voltage

Protection

Horizontal Clamping/Blanking Generator Output

Output Voltage LOW V
Blanking Output Voltage Internal V Blanking 1.8 2.1 2.4 V

Clamping Output Voltage H–Sync on Pin9 3.5 3.9 4.3 V
Internal Sink Current for All Output Levels I
Clamping Pulse Start t
Clamping Pulse Width t
Steepness of Rise and Fall Times S – 40 – ns/V

V

OSC

OSC

td/t

∆t/t

V

7

17

0 – 50 mV

– 5.0 – V
– 1.2 – V

17

R18 = 12kΩ (Pin18),

= 2.2nF (Pin19)

C

19

– ±300 – µA

– 31.45 – kHz

– – ±3.0 %

H

18

P

18

18

2

2

and P

LL1

V

m= 6.25V

ref

I2 = 6mA – 5.5 – V

H–Scan; V8 < 0.9V –0.5 – – mA

Locked,

LL2

±6.0 ±6.5 ±7.3 %

9 – 18 kΩ

– 3.125 – V

– ±205 – mV

H–Flyback; V8 > 1.8V – – –0.2 mA

H

20

20

H

I3 = 20mA – – 0.3 V

3

– 3.2 – %

– 4.6 – V

– ±200 – µA

30 – – %

I3 = 60mA – – 0.8 V

H

Horizontal Output OFF – 5.3 – V

P

42 45 48 %

Horizontal Output ON – 5.6 – V

H and V Scanning – – 0.9 V

8

External H Blanking 1.8 2.1 2.4 V

H and V Scanning 2.3 2.9 3.5 mA

8
8

clp

With End of H–Sync

0.8 1.0 1.2 µs