Datasheet LT5538 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 40MHz to 3.8GHz RF Power Detector with 75dB Dynamic Range |
| 页数 / 页 | 12 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS (Test Circuit shown in Figure 5). … |
| 文件格式/大小 | PDF / 241 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS (Test Circuit shown in Figure 5). Output Voltage, Linearity Error vs
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LT5538
TYPICAL PERFORMANCE CHARACTERISTICS (Test Circuit shown in Figure 5) Output Voltage, Linearity Error vs VOUT Variation vs Input Power at Output Voltage, Linearity Error vs Input Power at 2.7GHz 2.7GHz Input Power at 3.6GHz
1.8 3 3 1.8 3 VCC = 5V VCC = 5V VCC = 5V NORMALIZED AT 25°C 1.5 2 2 1.5 2 LINEARITY ERROR (dB) LINEARITY ERROR (dB) 1.2 1 1 1.2 1 (V) (V) 0.9 0 0 0.9 0 OUTV OUT VARIATION (dB) V 0.6 –1 OUT –1 0.6 –1 V 0.3 TA = –40°C –2 –2 0.3 TA = –40°C –2 TA = 25°C T T A = –40°C A = 25°C TA = 85°C T TA = 85°C 0 –3 A = 85°C –3 0 –3 –70 –60 –50 –40 –30 –20 –10 0 10 –70 –60 –50 –40 –30 –20 –10 0 10 –65 –55 –45 –35 –25 –15 –5 5 INPUT POWER (dBm) INPUT POWER (dBm) INPUT POWER (dBm) 5538 G10 5538 G11 5538 G12
VOUT Variation vs Input Power at Slope Distribution vs Logarithmic Intercept Distribution 3.6GHz Temperature at 2.14GHz vs Temperature at 2.14GHz
3 40 16 VCC = 5V T T A = –40°C A = –40°C NORMALIZED AT 25°C 35 TA = 25°C 14 TA = 25°C 2 T T A = 85°C A = 85°C 30 12 1 25 10 0 20 8 VARIATION (dB) 15 6 OUT –1 V 10 4 –2 PERCENTAGE DISTRIBUTION (%) PERCENTAGE DISTRIBUTION (%) T 5 2 A = –40°C TA = 85°C –3 0 0 –70 –60 –50 –40 –30 –20 –10 0 10 16 16.8 17.6 18.4 19.2 20 20.8 –98 –96 –94 –92 –90 –88 –86 –84 –82 –80 –78 INPUT POWER (dBm) SLOPE (mV/dB) LOGARITHMIC INTERCEPT (dBm) 5538 G13 5538 G14 5538 G15
Output Voltage, Linearity Error vs Output Voltage, Linearity Error vs Output Voltage, Linearity Error vs VCC @40MHz VCC @2140MHz VCC @3600MHz
2.0 3 2.0 3 1.8 3 NORMALIZED AT 5V NORMALIZED AT 5V VCC = 5V 1.7 2 1.7 2 1.5 2 LINEARITY ERROR (dB) LINEARITY ERROR (dB) LINEARITY ERROR (dB) 1.4 1 1.4 1 1.2 1 (V) (V) (V) 1.1 0 1.1 0 0.9 0 OUT OUT V OUTV V 0.8 –1 0.8 –1 0.6 –1 0.5 –2 0.5 –2 0.3 –2 VCC = 5V VCC = 5V VCC = 5V VCC = 3V VCC = 3V VCC = 3V 0.2 –3 0.2 –3 0 –3 –75 –65 –55 –45 –35 –25 –15 –5 5 –75 –65 –55 –45 –35 –25 –15 –5 5 –65 –55 –45 –35 –25 –15 –5 5 INPUT POWER (dBm) INPUT POWER (dBm) INPUT POWER (dBm) 5538 G16 5538 G17 5538 G18 5538f 6
TYPICAL PERFORMANCE CHARACTERISTICS (Test Circuit shown in Figure 5) Output Voltage, Linearity Error vs VOUT Variation vs Input Power at Output Voltage, Linearity Error vs Input Power at 2.7GHz 2.7GHz Input Power at 3.6GHz
1.8 3 3 1.8 3 VCC = 5V VCC = 5V VCC = 5V NORMALIZED AT 25°C 1.5 2 2 1.5 2 LINEARITY ERROR (dB) LINEARITY ERROR (dB) 1.2 1 1 1.2 1 (V) (V) 0.9 0 0 0.9 0 OUTV OUT VARIATION (dB) V 0.6 –1 OUT –1 0.6 –1 V 0.3 TA = –40°C –2 –2 0.3 TA = –40°C –2 TA = 25°C T T A = –40°C A = 25°C TA = 85°C T TA = 85°C 0 –3 A = 85°C –3 0 –3 –70 –60 –50 –40 –30 –20 –10 0 10 –70 –60 –50 –40 –30 –20 –10 0 10 –65 –55 –45 –35 –25 –15 –5 5 INPUT POWER (dBm) INPUT POWER (dBm) INPUT POWER (dBm) 5538 G10 5538 G11 5538 G12
VOUT Variation vs Input Power at Slope Distribution vs Logarithmic Intercept Distribution 3.6GHz Temperature at 2.14GHz vs Temperature at 2.14GHz
3 40 16 VCC = 5V T T A = –40°C A = –40°C NORMALIZED AT 25°C 35 TA = 25°C 14 TA = 25°C 2 T T A = 85°C A = 85°C 30 12 1 25 10 0 20 8 VARIATION (dB) 15 6 OUT –1 V 10 4 –2 PERCENTAGE DISTRIBUTION (%) PERCENTAGE DISTRIBUTION (%) T 5 2 A = –40°C TA = 85°C –3 0 0 –70 –60 –50 –40 –30 –20 –10 0 10 16 16.8 17.6 18.4 19.2 20 20.8 –98 –96 –94 –92 –90 –88 –86 –84 –82 –80 –78 INPUT POWER (dBm) SLOPE (mV/dB) LOGARITHMIC INTERCEPT (dBm) 5538 G13 5538 G14 5538 G15
Output Voltage, Linearity Error vs Output Voltage, Linearity Error vs Output Voltage, Linearity Error vs VCC @40MHz VCC @2140MHz VCC @3600MHz
2.0 3 2.0 3 1.8 3 NORMALIZED AT 5V NORMALIZED AT 5V VCC = 5V 1.7 2 1.7 2 1.5 2 LINEARITY ERROR (dB) LINEARITY ERROR (dB) LINEARITY ERROR (dB) 1.4 1 1.4 1 1.2 1 (V) (V) (V) 1.1 0 1.1 0 0.9 0 OUT OUT V OUTV V 0.8 –1 0.8 –1 0.6 –1 0.5 –2 0.5 –2 0.3 –2 VCC = 5V VCC = 5V VCC = 5V VCC = 3V VCC = 3V VCC = 3V 0.2 –3 0.2 –3 0 –3 –75 –65 –55 –45 –35 –25 –15 –5 5 –75 –65 –55 –45 –35 –25 –15 –5 5 –65 –55 –45 –35 –25 –15 –5 5 INPUT POWER (dBm) INPUT POWER (dBm) INPUT POWER (dBm) 5538 G16 5538 G17 5538 G18 5538f 6