Datasheet AD8468 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Rail-to-Rail, Fast, Low Power 2.5 V to 5.5 V, Single-Supply TTL/CMOS Comparator |
| 页数 / 页 | 12 / 6 — AD8468. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 38.0. 37.8. … |
| 修订版 | A |
| 文件格式/大小 | PDF / 273 Kb |
| 文件语言 | 英语 |
AD8468. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 38.0. 37.8. 37.6. PROPAGATION DELAY FALL. s) n. ( 37.4. Y A L. 37.2. ) A. N DE. 37.0. I B
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AD8468 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
VCC = 2.5 V, TA = 25°C, unless otherwise noted.
5 38.0 4 37.8 3 37.6 PROPAGATION DELAY FALL s) n 2 ( 37.4 Y A L 1 37.2 ) A N DE 0 (µ 37.0 IO I B PROPAGATION DELAY RISE AT –1 36.8 AG P –2 O 36.6 +125°C R P –3 36.4 +25°C –4 36.2 –40°C –5 36.0 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
3
0.5 1.0 1.5 2.0 2.5 3.0
6 -00 -00
V
53
CM AT VCC (2.5V) VCM AT VCC (2.5V)
853 088 08 Figure 3. Input Bias Current vs. Input Common-Mode Voltage Figure 6. Propagation Delay vs. Input Common-Mode Voltage
60 55 s) 50 Q (n Y A L 45 E D VCC = 5.5V N 40 RISE DELAY IO AT 35 AG VCC = 5.5V P FALL DELAY O R 30 P VCC = 2.5V FALL DELAY 25 VCC = 2.5V
07 0
RISE DELAY
3-
0.5V/DIV 10ns/DIV
85
20
08
0 50 100 150
04 -0 53
OD (mV)
88 0 Figure 4. Propagation Delay vs. Input Overdrive at VCC = 2.5 V and 5.5 V Figure 7. 1 MHz Output Voltage Waveform, VCC = 2.5 V
1.5 SOURCE 1.0 Q SINK A) (m 0.5 NT E 0 AD CURR O L –0.5
08 0 3-
1V/DIV 10ns/DIV
85
–1.0
08
–1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
5 00 3-
VOUT (V)
85 08 Figure 5. Load Current vs. V Figure 8. 1 MHz Output Voltage Waveform, V OH/VOL CC = 5.5 V Rev. A | Page 6 of 12 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION POWER/GROUND LAYOUT AND BYPASSING TTL-/CMOS-COMPATIBLE OUTPUT STAGE OPTIMIZING PERFORMANCE COMPARATOR PROPAGATIONDELAY DISPERSION CROSSOVER BIAS POINT MINIMUM INPUT SLEW RATE REQUIREMENT TYPICAL APPLICATION CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS
VCC = 2.5 V, TA = 25°C, unless otherwise noted.
5 38.0 4 37.8 3 37.6 PROPAGATION DELAY FALL s) n 2 ( 37.4 Y A L 1 37.2 ) A N DE 0 (µ 37.0 IO I B PROPAGATION DELAY RISE AT –1 36.8 AG P –2 O 36.6 +125°C R P –3 36.4 +25°C –4 36.2 –40°C –5 36.0 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
3
0.5 1.0 1.5 2.0 2.5 3.0
6 -00 -00
V
53
CM AT VCC (2.5V) VCM AT VCC (2.5V)
853 088 08 Figure 3. Input Bias Current vs. Input Common-Mode Voltage Figure 6. Propagation Delay vs. Input Common-Mode Voltage
60 55 s) 50 Q (n Y A L 45 E D VCC = 5.5V N 40 RISE DELAY IO AT 35 AG VCC = 5.5V P FALL DELAY O R 30 P VCC = 2.5V FALL DELAY 25 VCC = 2.5V
07 0
RISE DELAY
3-
0.5V/DIV 10ns/DIV
85
20
08
0 50 100 150
04 -0 53
OD (mV)
88 0 Figure 4. Propagation Delay vs. Input Overdrive at VCC = 2.5 V and 5.5 V Figure 7. 1 MHz Output Voltage Waveform, VCC = 2.5 V
1.5 SOURCE 1.0 Q SINK A) (m 0.5 NT E 0 AD CURR O L –0.5
08 0 3-
1V/DIV 10ns/DIV
85
–1.0
08
–1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
5 00 3-
VOUT (V)
85 08 Figure 5. Load Current vs. V Figure 8. 1 MHz Output Voltage Waveform, V OH/VOL CC = 5.5 V Rev. A | Page 6 of 12 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION POWER/GROUND LAYOUT AND BYPASSING TTL-/CMOS-COMPATIBLE OUTPUT STAGE OPTIMIZING PERFORMANCE COMPARATOR PROPAGATIONDELAY DISPERSION CROSSOVER BIAS POINT MINIMUM INPUT SLEW RATE REQUIREMENT TYPICAL APPLICATION CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS