English
Language : 

XR8038 Datasheet, PDF (4/16 Pages) Exar Corporation – Precision Waveform Generator
XR-8038A
DC ELECTRICAL CHARACTERISTICS
Test Conditions: VS = +5V to +15V, TA = 25°C, RL = 1MW, RA = RB = 10kW, C1 = 3300pF, S1 closed, unless
otherwise specified. (See Figure 2.)
Parameter
Min.
General Characteristics
Supply Voltage, VS
Single Supply
10
Dual Supplies
+5
Supply Current
Frequency Characteristics (Measured at Pin 9)
Range of Adjustment
Max. Operating Frequency
200
Typ.
12
Lowest Practical Frequency
0.001
Max. Sweep Frequency of FM
Input
FM Sweep Range
FM Linearity 10:1 Ratio
Range of Timing Resistors
Temperature Stability
Power Supply Stability
Output Characteristics
Square-Wave
Amplitude (Peak-to-Peak)
Saturation Voltage
Rise Time
Fall Time
Duty Cycle Adjustment
Triangle/Sawtooth/Ramp
Amplitude (Peak-to-Peak)
Linearity
100
1000:1
0.2
0.5
50
0.05
0.9
0.98
0.2
100
40
2
0.3
0.33
0.1
Max.
Unit Conditions
30
V
+15
V
20
mA
VS = +10V1
1000
0.5
98
kHz RA = RB, = 1.5kW, C1 = 680pF;
RL = 10K
Hz
RA = RB = 1MW, C1= 500mF
(Low Leakage Capacitor)
kHz
%
KW
PPM/°C
%/V
S1 Open2,3
S1 Open3
Values of RA and RB
TA = 0°C to 70°C
10V VS  30V or +5V  VS  15V
x VSPLY
V
ns
ns
%
x VSPLY
%
Measured at Pin 9
RL = 100kW
ISINK = 2mA
RL = 4.7kW
RL = 4.7kW
Measured at Pin 3
RL = 100kW
Notes
1 Currents through RA and RB not included.
2 VSUPPLY = 20V.
3 Apply sweep voltage at Pin 8.
VCC - (1/3 VSUPPLY - 2)  VPIN 8  VCC
VSUPPLY = Total Supply Voltage across the IC
Rev. 2.01
Specifications are subject to change without notice
4