Datasheet

ELECTRICAL CHARACTERISTICS
(V# i = 20 V, and over operating temperature, unless otherwise specified)
Symbol Parameter Test Conditions
SG2525A SG3525A
Unit
Min. Typ. Max. Min. Typ. Max.
REFERENCE SECTION
V
REF
Output Voltage T
j
= 25 °C 5.05 5.1 5.15 5 5.1 5.2 V
∆V
REF
Line Regulation V
i
= 8 to 35 V 10 20 10 20 mV
∆V
REF
Load Regulation I
L
= 0 to 20 mA 20 50 20 50 mV
∆V
REF
/∆T* Temp. Stability 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 V
REF
= 0 T
j
= 25 °C 80 100 80 100 mA
* Output Noise Voltage 10 Hz ≤f ≤ 10 kHz,
T
j
= 25 °C
40 200 40 200 µVrms
∆V
REF
* Long Term Stability T
j
= 125 °C, 1000 hrs 20 50 20 50 mV
OSCILLATOR SECTION * *
*, • Initial Accuracy T
j
= 25 °C ± 2 ± 6 ± 2 ± 6%
*, • Voltage Stability V
i
= 8 to 35 V ± 0.3 ± 1 ± 1 ± 2%
∆f/∆T* Temperature Stability Over Operating Range ± 3 ± 6 ± 3 ± 6%
f
MIN
Minimum Frequency R
T
= 200 KΩ C
T
= 0.1 µF 120 120 Hz
f
MAX
Maximum Frequency R
T
= 2 KΩ C
T
= 470 pF 400 400 KHz
Current Mirror I
RT
= 2 mA 1.7 2 2.2 1.7 2 2.2 mA
*, • Clock Amplitude 3 3.5 3 3.5 V
*, • Clock Width T
j
= 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 (V
CM
= 5.1 V)
V
OS
Input Offset Voltage 0.5 5 2 10 mV
I
b
Input Bias Current 1 10 1 10 µA
I
os
Input Offset Current 1 1 µA
DC Open Loop Gain R
L
≥ 10 MΩ 60 75 60 75 dB
* Gain Bandwidth
Product
G
v
= 0 dB T
j
= 25 °C 1 2 1 2 MHz
*, ❚ DC Transconduct. 30 KΩ ≤ R
L
≤ 1 MΩ
T
j
= 25 °C
1.1 1.5 1.1 1.5 ms
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. V
CM
= 1.5 to 5.2 V 60 75 60 75 dB
PSR Supply Voltage
Rejection
V
i
= 8 to 35 V 50 60 50 60 dB
SG2525A-SG3525A
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