NTE1498
Integrated Circuit
Dual Peak Power Meter Driver
Features:
D Dynamic Range: 40dB Typ
D Wide Range Meter for the 1/4 Root Compression
D Single and Dual Power Supply Operation
D Built–In Zener Diode Providing Stable Operation to Variations in Supply Voltage
(Zener Voltage: ±8.5V)
D Two Built–In Channels – Excellent for Matching Characteristics for Stereo
Absolute Maximum Ratings
Supply Current, I
Power Dissipation, P
CC
D
: (TA = +25°C unless otherwise specified)
20mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
700mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25°C 7mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
Electrical Characteristics
Parameter Symbol Test Conditions Min Typ Max Unit
Quiescent Current I
Quiescent Output Current I
Channel Balance CH.B IIN = –100µA – – 1.4 dB
Input Resistance R
Channel Separation I
Output Current I
Min Input Current I
Max Input Current I
Hold Terminal Voltage V
: (VCC – VEE ±25V, TA = +25°C, f = 1kHz unless otherwise specified)
OUT(sep)IIN
IN(Min)
IN(Max)
–25° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
opr
CCQ
OQ
OUT
IIN = 0, V9 = 7V, V5 = –7V – 2.1 3.0 mA
Input Short – – 1 µA
IN
= 1mA – –60 – dB
IIN = –100µA 1.6 2.1 2.6 mA
Input Short, Note 1 25 – 150 mV
H
– 2 – kΩ
– 7 – µA
– – 2 mA
Note 1. The hold terminal voltage is classified into two ranks as follows:
V
–1: 25 to 65mV
H
V
–2: 45 to 150mV
H
Pin Connection Diagram
(Front View)
9
V
Rt Ch Output
8
Rt Ch Hold
7
Rt Ch Input
6
V
5
4
Lt Ch Input
Lt Ch Hold
3
Lt Ch Output
2
GND
1
CC
EE
.323
(8.2)
Max
(2.54)
.906 (23.0) Max.126 (3.2)
19
.020 (0.50).100
.099
.800 (20.3)
(2.5)
Min