Datasheet LT5570 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | Fast Responding, 40MHz to 2.7GHz Mean-Squared Power Detector |
| 页数 / 页 | 16 / 3 — ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply … |
| 文件格式/大小 | PDF / 275 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply over the full operating
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LT5570
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C, VCC = 5V, EN = 5V, unless otherwise noted. Test circuits are shown in Figures 1 and 3. (Notes 2 and 3). PARAMETER CONDITIONS MIN TYP MAX UNITS fRF = 880MHz
RF Input Power Range CW Input; 1:4 Balun Matched into 50Ω Source –48 to 13 dBm Linear Dynamic Range (Note 5) ±1dB Linearity Error, TA = –40°C to 85°C 61 dB Output Slope 37.7 mV/dB Logarithmic Intercept –51.9 dBm Output Variation vs Temperature Normalized to Output at 25°C ±0.4 dB –40°C < TA < 85°C; PIN = –47dBm to 13dBm Deviation from CW Response 11dB Peak to Average Ratio (3-Carrier CDMA2K) 0.3 dB 12dB Peak to Average Ratio (4-Carrier WCDMA) 0.2 2nd Order Harmonic Distortion At RF Input; CW Input; PIN = 10dBm 60 dBc 3rd Order Harmonic Distortion At RF Input; CW Input; PIN = 10dBm 61 dBc
fRF = 2140MHz
RF Input Power Range CW Input; 1:4 Balun Matched into 50Ω Source –38 to 13 dBm Linear Dynamic Range (Note 5) ±1dB Linearity Error, TA = –40°C to 85°C 47 51 dB Output Slope 34.8 36.5 39.0 mV/dB Logarithmic Intercept –43.6 –40.6 –37.6 dBm Output Variation vs Temperature Normalized to Output at 25°C ±0.3 dB –40°C < TA < 85°C; PIN = –36dBm to 13dBm Deviation from CW Response 11dB Peak to Average Ratio (3-Carrier CDMA2K) 0.1 dB 12dB Peak to Average Ratio (4-Carrier WCDMA) 0.2 dB
fRF = 2700MHz
RF Input Power Range CW Input; 1:4 Balun Matched into 50Ω Source –35 to 13 dBm Linear Dynamic Range (Note 5) ±1dB Linearity Error, TA = –40°C to 85°C 48 dB Output Slope 36.4 mV/dB Logarithmic Intercept –38.5 dBm Output Variation vs Temperature Normalized to Output at 25°C ±0.2 dB –40°C < TA < 85°C; PIN = –31dBm to 13dBm Deviation from CW Response 11dB Peak to Average Ratio (3-Carrier CDMA2K) 0.1 dB 12dB Peak to Average Ratio (4-Carrier WCDMA) 0.5
Output
Output DC Voltage No RF Signal Present 0.1 V Output Impedance 100 Ω Sourcing/Sinking 5/2.5 mA Rise Time 0.2V to 1.6V, 10% to 90%, C1 = 22nF, fRF = 2140MHz 0.5 μS Fall Time 1.6V to 0.2V, 90% to 10%, C1 = 22nF, fRF = 2140MHz 8 μS 5570f 3
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C, VCC = 5V, EN = 5V, unless otherwise noted. Test circuits are shown in Figures 1 and 3. (Notes 2 and 3). PARAMETER CONDITIONS MIN TYP MAX UNITS fRF = 880MHz
RF Input Power Range CW Input; 1:4 Balun Matched into 50Ω Source –48 to 13 dBm Linear Dynamic Range (Note 5) ±1dB Linearity Error, TA = –40°C to 85°C 61 dB Output Slope 37.7 mV/dB Logarithmic Intercept –51.9 dBm Output Variation vs Temperature Normalized to Output at 25°C ±0.4 dB –40°C < TA < 85°C; PIN = –47dBm to 13dBm Deviation from CW Response 11dB Peak to Average Ratio (3-Carrier CDMA2K) 0.3 dB 12dB Peak to Average Ratio (4-Carrier WCDMA) 0.2 2nd Order Harmonic Distortion At RF Input; CW Input; PIN = 10dBm 60 dBc 3rd Order Harmonic Distortion At RF Input; CW Input; PIN = 10dBm 61 dBc
fRF = 2140MHz
RF Input Power Range CW Input; 1:4 Balun Matched into 50Ω Source –38 to 13 dBm Linear Dynamic Range (Note 5) ±1dB Linearity Error, TA = –40°C to 85°C 47 51 dB Output Slope 34.8 36.5 39.0 mV/dB Logarithmic Intercept –43.6 –40.6 –37.6 dBm Output Variation vs Temperature Normalized to Output at 25°C ±0.3 dB –40°C < TA < 85°C; PIN = –36dBm to 13dBm Deviation from CW Response 11dB Peak to Average Ratio (3-Carrier CDMA2K) 0.1 dB 12dB Peak to Average Ratio (4-Carrier WCDMA) 0.2 dB
fRF = 2700MHz
RF Input Power Range CW Input; 1:4 Balun Matched into 50Ω Source –35 to 13 dBm Linear Dynamic Range (Note 5) ±1dB Linearity Error, TA = –40°C to 85°C 48 dB Output Slope 36.4 mV/dB Logarithmic Intercept –38.5 dBm Output Variation vs Temperature Normalized to Output at 25°C ±0.2 dB –40°C < TA < 85°C; PIN = –31dBm to 13dBm Deviation from CW Response 11dB Peak to Average Ratio (3-Carrier CDMA2K) 0.1 dB 12dB Peak to Average Ratio (4-Carrier WCDMA) 0.5
Output
Output DC Voltage No RF Signal Present 0.1 V Output Impedance 100 Ω Sourcing/Sinking 5/2.5 mA Rise Time 0.2V to 1.6V, 10% to 90%, C1 = 22nF, fRF = 2140MHz 0.5 μS Fall Time 1.6V to 0.2V, 90% to 10%, C1 = 22nF, fRF = 2140MHz 8 μS 5570f 3