Datasheet MIC920 (Micrel) - 6
| Manufacturer | Micrel |
| Description | 80MHz Low-Power SC-70 Op Amp |
| Pages / Page | 11 / 6 — Bias Current vs. Closed-Loop Frequency. Temperature. Response. … |
| File Format / Size | PDF / 1.3 Mb |
| Document Language | English |
Bias Current vs. Closed-Loop Frequency. Temperature. Response. Closed-Loop Gain. Open-Loop Gain. vs. Frequency
Text Version of Document
MIC920 Micrel, Inc.
Bias Current vs. Closed-Loop Frequency Closed-Loop Frequency Temperature Response Response
0.35 25 25 20 0.30 20 )A 15 15 (µ 0.25 10 T 10 ±5V ) N ) B E 0.20 5 B d 5 d ±9.0V R ( ±9.0V ( R ±9V N 0 N 0 U 0.15 I I A C -5 A -5 ±5.0V G G S 0.10 ±2.5V A -10 ±5.0V -10 IB -15 ±2.5V -15 Av = 2 0.05 R = R -20 Av =–1 -20 F I = 475Ω R+ = R 0.00 -40 -20 0 20 40 60 80 100 -25 I = 475Ω -25 1E+6 1E+6 1M 10E+6 10M 100E+6 200E+6 TEMPERATURE (°C) 1M 10E+6 10M 100E+6 200E+6 100M 100M FREQUENCY (Hz) FREQUENCY (Hz)
Closed-Loop Gain Closed-Loop Gain Open-Loop Gain vs. Frequency vs. Frequency vs. Frequency
50 50 50 ) 40 ) 40 V± = ±5V B B 40 d ) ( 30 d( 30 B 30 d IN ( 20 IN 20 A A N 20 I 121pF G 10 G A 50pF 400pF 10 1.7pF 10 P 200pF P 200pF G 1.7pF O 0 O 0 P 0 1000pF O 100pF 0 O 100pF L O - -10 L 471pF 1000pF - -10 O -10 D L 800pF D 1000pF - 200pF E -20 E -20 800pF N -20 S 600pF S 600pF E O -30 O -30 L L 400pF P -30 C O -40 V± = ±5V C -40 V± = ±9V Av = 1 Av = 1 -40 -50 -50 -50 1E+6 1M 10E+6 10M 100E+6 200E+6 100M 1E+6 1M 1E+7 10M 1E+82E+8 100M 1x106 1M 10x106 10M 100x106 200x106 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz)
Open-Loop Gain Gain Bandwidth and Phase Gain Bandwidth and Phase vs. Frequency Margin vs. Supply Voltage Margin vs. Load
50 85 37 70 50 Phase Margin V± = ±9V V± = ±5V 40 ) z 80 )z 60 B 30 H 35 H 45 d( M( °) °) N 20 75 ( M( 50 ( I 121pF H IN N A 50pF T 33 H 40 I 10 G T G G 1.7pF ID 70 R ID 40 Phase Margin R P 0 1000pF W 31 A W 35 A O 471pF D 65 M D M O -10 N E 30 E L- 200pF A S N S N -20 B 29 A 30 60 A B A E N 20 P I H N Gain H -30 A P IA P Bandwidth O G 55 27 G 10 25 -40 Gain Bandwidth -50 50 25 0 1 2 3 4 5 6 7 8 9 10 0 20 0 200 400 600 800 1000 1x106 1M 10x106 10M 100x106 200x106 100M SUPPLY VOLTAGE (±V) CAPACITIVE LOAD (pF) FREQUENCY (Hz)
Gain Bandwidth and Phase Open-Loop Frequency Open-Loop Frequency Margin vs. Load Response Response
90 55 100 225 100 225 V± = ±9V V± = ±9V ) 80 V± = ±5V z 50 80 180 80 ) 180 H ) 70 B 100Ω B 60 100Ω 135 M 60 135 d ( °) d °) 45 ( (°) ( H 60 N H 40 Phase 90 H 40 Phase 90 N T I T NI T I No Load D G No Load G I 50 Phase Margin 40 R D 20 I 45 G DI 20 45 R R W A W A W 0 Gain 0 A D 40 M 0 D Gain 0 D 100Ω M N 35 E N 100Ω M N -20 -45 E A 30 S -20 A -45 E A S B B 30 A B S -40 -90 A -40 -90 A IN 20 H Gain N H NI H A P I Bandwidth A P -60 -135 P A -60 -135 G 10 25 G G -80 -180 -80 -180 0 20 0 200 400 600 800 1000 -100 -225 -100 -225 100k 1M 10M 100M CAPACITIVE LOAD (pF) 100k 1M 10M 100M CAPACITIVE LOAD (pF) CAPACITIVE LOAD (pF) MIC920 6 March 2006
Bias Current vs. Closed-Loop Frequency Closed-Loop Frequency Temperature Response Response
0.35 25 25 20 0.30 20 )A 15 15 (µ 0.25 10 T 10 ±5V ) N ) B E 0.20 5 B d 5 d ±9.0V R ( ±9.0V ( R ±9V N 0 N 0 U 0.15 I I A C -5 A -5 ±5.0V G G S 0.10 ±2.5V A -10 ±5.0V -10 IB -15 ±2.5V -15 Av = 2 0.05 R = R -20 Av =–1 -20 F I = 475Ω R+ = R 0.00 -40 -20 0 20 40 60 80 100 -25 I = 475Ω -25 1E+6 1E+6 1M 10E+6 10M 100E+6 200E+6 TEMPERATURE (°C) 1M 10E+6 10M 100E+6 200E+6 100M 100M FREQUENCY (Hz) FREQUENCY (Hz)
Closed-Loop Gain Closed-Loop Gain Open-Loop Gain vs. Frequency vs. Frequency vs. Frequency
50 50 50 ) 40 ) 40 V± = ±5V B B 40 d ) ( 30 d( 30 B 30 d IN ( 20 IN 20 A A N 20 I 121pF G 10 G A 50pF 400pF 10 1.7pF 10 P 200pF P 200pF G 1.7pF O 0 O 0 P 0 1000pF O 100pF 0 O 100pF L O - -10 L 471pF 1000pF - -10 O -10 D L 800pF D 1000pF - 200pF E -20 E -20 800pF N -20 S 600pF S 600pF E O -30 O -30 L L 400pF P -30 C O -40 V± = ±5V C -40 V± = ±9V Av = 1 Av = 1 -40 -50 -50 -50 1E+6 1M 10E+6 10M 100E+6 200E+6 100M 1E+6 1M 1E+7 10M 1E+82E+8 100M 1x106 1M 10x106 10M 100x106 200x106 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz)
Open-Loop Gain Gain Bandwidth and Phase Gain Bandwidth and Phase vs. Frequency Margin vs. Supply Voltage Margin vs. Load
50 85 37 70 50 Phase Margin V± = ±9V V± = ±5V 40 ) z 80 )z 60 B 30 H 35 H 45 d( M( °) °) N 20 75 ( M( 50 ( I 121pF H IN N A 50pF T 33 H 40 I 10 G T G G 1.7pF ID 70 R ID 40 Phase Margin R P 0 1000pF W 31 A W 35 A O 471pF D 65 M D M O -10 N E 30 E L- 200pF A S N S N -20 B 29 A 30 60 A B A E N 20 P I H N Gain H -30 A P IA P Bandwidth O G 55 27 G 10 25 -40 Gain Bandwidth -50 50 25 0 1 2 3 4 5 6 7 8 9 10 0 20 0 200 400 600 800 1000 1x106 1M 10x106 10M 100x106 200x106 100M SUPPLY VOLTAGE (±V) CAPACITIVE LOAD (pF) FREQUENCY (Hz)
Gain Bandwidth and Phase Open-Loop Frequency Open-Loop Frequency Margin vs. Load Response Response
90 55 100 225 100 225 V± = ±9V V± = ±9V ) 80 V± = ±5V z 50 80 180 80 ) 180 H ) 70 B 100Ω B 60 100Ω 135 M 60 135 d ( °) d °) 45 ( (°) ( H 60 N H 40 Phase 90 H 40 Phase 90 N T I T NI T I No Load D G No Load G I 50 Phase Margin 40 R D 20 I 45 G DI 20 45 R R W A W A W 0 Gain 0 A D 40 M 0 D Gain 0 D 100Ω M N 35 E N 100Ω M N -20 -45 E A 30 S -20 A -45 E A S B B 30 A B S -40 -90 A -40 -90 A IN 20 H Gain N H NI H A P I Bandwidth A P -60 -135 P A -60 -135 G 10 25 G G -80 -180 -80 -180 0 20 0 200 400 600 800 1000 -100 -225 -100 -225 100k 1M 10M 100M CAPACITIVE LOAD (pF) 100k 1M 10M 100M CAPACITIVE LOAD (pF) CAPACITIVE LOAD (pF) MIC920 6 March 2006
