NTE7131 View Datasheet(PDF) - NTE Electronics

Part Name

Description

Manufacturer

NTE7131

Integrated Circuit DC–Coupled Vertical Deflection Circuit

NTE Electronics 

Electrical Characteristics: (VP = 14.5V, TA = +25°C, VFB = 45V, fi = 50Hz, II(sb) = 400µA unless

otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

DC Supply

Operating Supply Voltage

Flyback Supply Voltage

Supply Current

Vertical Circuit

VP

VFB

IP No Signal, No Load

9.0 4.5 25.0 V

VP

–

50

V

– 30 55 mA

Output Voltage Swing (Scan)

Linearity Error

Output Voltage Swing (Flyback) VO(A) – VO(B)

Forward Voltage of the Internal Efficiency

Diode (VO(A) – VFB)

Output Offset Current

Offset Voltage at the Input of the Feedback

Amplifier (VI(fb) – VO(B))

Output Offset Voltage as a Function of

Temperature

VO

Idiff = 0.6mA(p–p),

Vdiff = 1.8V(p–p),

IO = 2A(p–p)

13.2 –

LE IO = 2A(p–p), Note 3

–

1

IO = 50mA(p–p), Note 3

–

1

VO Idiff = 0.3mA, IO = 1A (M)

–

40

VDF IO = –1A (M), Idiff = 0.3mA –

–

|IOS| Idiff = 0, II(sb) = 50 to 500µA –

–

|VOS| Idiff = 0, II(sb) = 50 to 500µA –

–

∆VOST Idiff = 0

–

–

–

V

4

%

4

%

–

V

1.5 V

40 mA

24 mV

72 µV/K

DC Output Voltage

Open–Loop Voltage Gain (V7–4/V1–2)

Open–Loop Voltage Gain (V7–4/V9–4, V1–2 = 0)

Voltage Ratio V1–2/V9–4

Frequency Response (–3dB)

Current Gain (IO/Idiff)

Current Gain Drift as a Function of Temperature

Signal Bias Current

Flyback Supply Current

Power Supply Ripple Rejection

VO(A)

Gvo

VR

fres

GI

∆GcT

II(sb)

IFB

PSRR

Idiff = 0, Note 4

Note 5, Note 6

Note 5

Open Loop, Note 7

During Scan

Note 8

– 6.5 –

V

– 80 – dB

– 80 – dB

–

0

–

dB

– 40 – Hz

– 5000 –

–

– 10–4 K

50 400 500 µA

–

– 100 µA

– 80 – dB

DC Input Voltage

Common Mode Input Voltage

Input Bias Current

Common Mode Output Current

Guard Circuit

VI(DC)

VI(CM)

Ibias

IO(CM)

II(sb) = 0

II(sb) = 0

∆II(sb) = 300µA(p–p),

fi = 50Hz, Idiff = 0

– 2.7 –

V

0

– 1.6 V

– 0.1 0.5 µA

– 0.2 – mA

Output Current

Output Voltage on Pin8

Allowable Voltage on Pin8

IO

Not Active, VO(guard) = 0V –

– 50 µA

Active, VO(guard) = 4.5V

1.0 – 2.5 mA

VO(guard) IO = 100µA

–

– 5.5 V

Maximum Leakage

Current = 10µA

–

– 40

V

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