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XR-4739 Datasheet Preview

XR-4739 Datasheet

Dual Low-Noise Operational Amplifier

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XR-4739
Dual Low-Noise Operational Amplifier
GENERAL DESCRIPTION
The XR-4739 is a monolithic dual op amp featuring low
noise and a large gain bandwidth product. The device
is ideal for preamplifiers, signal processing equipment,
and active filters.
FUNCTIONAL BLOCK DIAGRAM
A OUTPUT
FEATURES
Internally Compensated Replacement for ,.,.A 739
and MC1303
Signal-to-Noise Ratio 76dB (RIM 10 mV ref.)
Channel Separation 125dB
Unity Gain Bandwidth 3MHz
Output Short-circuit Protected
0.1 % Distortion at 8.5V RMS Output into 2KO Load
NC
NC
NC
<1\ INPUT
-A INPUT
v-
APPLICATIONS
Buffer Amplifiers
Summing/Differencing Amplifiers
Instrumentation Amplifiers
Active Filters
Signal Processing
Sample and Differencing
I to V Converters
Integrators
Simulated Components
Analog Computers
ABSOLUTE MAXIMUM RATINGS
Supply Voltage
±18V
Internal Power Dissipation (Note 1)
500 mW
Differential Input Voltage
±30V
Input Voltage (Note 2)
±15V
Storage Temperature Range
- 65°C to + 150°C
Lead Temperature (Soldering, 60s)
300°C
Output Short-Circuit Duration (Note 3)
Indefinite
ORDERING INFORMATION
Part Number
XR-4739CN
XR-4739CP
Package
Ceramic
Plastic
Operating Temperature
O°C to + 70°C
O°C to + 70°C
SYSTEM DESCRIPTION
The XR-4739 dual low-noise operational amplifier is fab-
ricated on a single silicon chip using the planar epitaxi-
al process. It was designed primarily for preamplifiers
in consumer and industrial signal proceSSing equip-
ment. TIle device is pin compatible with the ,.,.A739 and
MC1303, however, compensation is internal. This per-
mits a lowered external parts count and simplified ap-
plication.
The XR-4739 is available in a ceramic or molded dual
inline 14 Pin package, and operates over the commer-
cial temperature range from O°C to +70°C.
5-44




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XR-4739 Datasheet Preview

XR-4739 Datasheet

Dual Low-Noise Operational Amplifier

No Preview Available !

ELECTRICAL CHARACTERISTICS
Test Conditions: TA = 25°C, VCC = ± 15V, unless otherwise specified.
XR·4739
PARAMETERS
MIN TYP MAX UNITS
CONDITIONS
Input Offset Voltage
Input Offset Current
Input Bias Current
Input Resistance
Large-Signal Voltage Gain
Output Voltage Swing
Input Voltage Range
Common Mode Rejection Ratio
Supply Voltage Rejection Ratio
Power Consumption
Transient Response (unity gain)
Risetime
Transient Response (unity gain)
Overshoot
Slew Rate (unity gain)
Broadband Noise Voltage
Channel Separation
0.3
20
±12
±10
±12
70
2.0
5.0
40
5.0
60
±14
±13
±14
100
10
40
0.15
10
1.0
2.5
125
6.0 mV RS ~ 10 kO
200 nA
500 nA
MO
K RL ~ 2 kO
Vout = ± 10V
V RL ~ 10 kO
V RL ~ 2 kO
V
dB RS ~ 10 kO
150 INN RS ~ 10 kO
120 mW
Yin = 20 mV
RL = 20 kO
JLs CL ~ 100 pF
Yin = 20 mV
RL = 2 kO
% CL ~ 100 pF
V/JLs
RL ~ 2 kO
JLVRMS
dB
BW = 10 Hz-30 KHz
RS = 1 kO
f = 1.0 kHz
AV = 40 dB
RS = 1 kO
The following specifications apply for O°C s TA s 75°C unless otherwise specified.
Input Offset Voltage
3.0 7.5 mV RS ~ 10 kO
Input Offset Current
7.0 300 nA
Input Bias Current
50 800 nA
Large-Signal Voltage Gain
15,000
200,000
RL ~ 2 kO
Vout = ± 10V
Output Voltage Swing
±10
±13
V RL ~ 2 kO
Power Consumption
Vs = ± 15V
100 150 mW TA = 70°C
110 200 mW TA = O°C
Notes:
1. Rating applies for ambient temperatures below + 75°C
2. For supply voltages less than 15V, the absolute maximum input voltage is equal to the supply voltage.
3. Short-circuit may be ground, typically 45 mA. Rating applies to + 125°C ambient temperature.
5-45


Part Number XR-4739
Description Dual Low-Noise Operational Amplifier
Maker Exar
Total Page 3 Pages
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