SG2525A-SG3525A
ELECTRICAL CHARACTERISTICS
(V# i = 20 V, and over operating temperature, unless otherwise specified)
Symbol
Parameter
REFERENCE SECTION
VREF Output Voltage
∆VREF Line Regulation
∆VREF Load Regulation
∆VREF/∆T* Temp. Stability
Test Conditions
SG2525A
SG3525A
Unit
Min. Typ. Max. Min. Typ. Max.
Tj = 25 °C
5.05 5.1 5.15 5 5.1 5.2
V
Vi = 8 to 35 V
10 20
10 20 mV
IL = 0 to 20 mA
20 50
20 50 mV
Over Operating Range
20 50
20 50 mV
*
Total Output Variation Line, Load and
Temperature
5
5.2 4.95
5.25 V
Short Circuit Current
*
Output Noise Voltage
∆VREF* Long Term Stability
OSCILLATOR SECTION * *
VREF = 0 Tj = 25 °C
10 Hz ≤f ≤ 10 kHz,
Tj = 25 °C
Tj = 125 °C, 1000 hrs
80 100
40 200
20 50
80 100 mA
40 200 µVrms
20 50 mV
*, •
*, •
∆f/∆T*
Initial Accuracy
Voltage Stability
Temperature Stability
Tj = 25 °C
Vi = 8 to 35 V
Over Operating Range
±2 ±6
± 0.3 ± 1
±3 ±6
±2 ±6 %
±1 ±2 %
±3 ±6 %
fMIN Minimum Frequency RT = 200 KΩ CT = 0.1 µF
120
120 Hz
fMAX Maximum Frequency RT = 2 KΩ CT = 470 pF 400
400
KHz
Current Mirror
IRT = 2 mA
1.7 2 2.2 1.7 2 2.2 mA
*, • Clock Amplitude
3 3.5
3 3.5
V
*, • Clock Width
Tj = 25 °C
0.3 0.5 1 0.3 0.5 1
µs
Sync Threshold
1.2 2 2.8 1.2 2 2.8
V
Sync Input Current
Sync Voltage = 3.5 V
1 2.5
1 2.5 mA
ERROR AMPLIFIER SECTION (VCM = 5.1 V)
VOS Input Offset Voltage
0.5 5
2 10 mV
Ib
Input Bias Current
Ios
Input Offset Current
DC Open Loop Gain RL ≥ 10 MΩ
1
10
1
10
µA
1
1
µA
60 75
60 75
dB
*
Gain Bandwidth
Product
Gv = 0 dB Tj = 25 °C 1
2
1
2
MHz
*, DC Transconduct.
30 KΩ ≤ RL ≤ 1 MΩ
1.1 1.5
1.1 1.5
ms
Tj = 25 °C
Output Low Level
0.2 0.5
0.2 0.5
V
Output High Level
3.8 5.6
3.8 5.6
V
CMR Comm. Mode Reject. VCM = 1.5 to 5.2 V
60 75
60 75
dB
PSR
Supply Voltage
Rejection
Vi = 8 to 35 V
50 60
50 60
dB
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