Datasheet LTC5583 (Analog Devices) - 7

ManufacturerAnalog Devices
DescriptionMatched Dual-Channel 6GHz RMS Power Detector
Pages / Page28 / 7
File Format / SizePDF / 1.2 Mb
Document LanguageEnglish

Datasheet LTC5583 Analog Devices Page 7

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LTC5583
TYPICAL PERFORMANCE CHARACTERISTICS VCC = 3.3V, EN = 3.3V, TA = 25°C, unless otherwise noted. For temperature compensation of logarithmic intercept at 880MHz, set RP1 = Open, RP2 = 0, RT1 = 11.5kΩ, RT2 = 1.13kΩ. See Figure 1. Output Voltage and Linearity Error Difference Output and Linearity vs RF Input Power, 880MHz CW Error vs RF Input Power, 880MHz Inputs, Single-Ended Drive CW Inputs, Single-Ended Drive
2.5 2.5 2.5 2.5 VOS = 1.2V, INV = 0V 2.0 2.0 SWEEP CH B INPUT 2.0 1.5 HOLD CH A INPUT = –26dBm LINEARITY ERROR (dB) 2.0 1.5 LINEARITY ERROR (dB) 1.0 1.0 (V) 1.5 0.5 1.5 0.5 OB (V) 0 0 , V ODF OA V V 1.0 –0.5 1.0 –0.5 85°C, CH A –1.0 85°C, CH B –1.0 25°C, CH A 0.5 –1.5 0.5 –1.5 25°C, CH B SWEEP CH A INPUT 85°C –40°C, CH A –2.0 HOLD CH B 25°C –2.0 –40°C, CH B INPUT = –26dBm –40°C 0 –2.5 0 –2.5 –65 –55 –45 –35 –25 –15 –5 5 –65 –55 –45 –35 –25 –15 –5 5 INPUT POWER (dBm) INPUT POWER (dBm) 5583 G07 5583 G08
Output Voltage and Linearity Error Modulation Deviation vs RF Input vs RF Input Power, 880MHz CW Inputs, Power, 880MHz Inputs, Single-Ended Drive, 5 Devices Single-Ended Drive
2.5 2.5 3 2.0 2 2.0 1.5 LINEARITY ERROR (dB) 1.0 1 (V) 1.5 0.5 4-CARRIER WCDMA CW OB 0 0 , V OAV 1.0 –0.5 –1 –1.0 3-CARRIER CDMA2K LINEARITY ERROR (dB) 0.5 –1.5 85°C –2 DEVIATION MEASURED 25°C –2.0 FROM LINEAR REFERENCE –40°C GENERATED WITH CW INPUT. 0 –2.5 –3 –65 –55 –45 –35 –25 –15 –5 5 –65 –55 –45 –35 –25 –15 –5 5 INPUT POWER (dBm) INPUT POWER (dBm) 5583 G09 5583 G10
Channel Matching vs RF Input Input A to Output B Isolation, Power, 880MHz CW Inputs, Input B to Output A Isolation, Single-Ended Drive, 5 Devices 880MHz CW Inputs, Single-Ended Drive
3 0.09 2.5 A m B, FREQ SEP = 0Hz NOTE 7 A m B INDICATES: B m A, FREQ SEP = 0Hz CH A = INTERFERING CHANNEL 2 0.06 A m B, FREQ SEP = 1MHz CH B = INTERFERED CHANNEL 2.0 B m A, FREQ SEP = 1MHz A m B, FREQ SEP = 10MHz B m A INDICATES: 1 0.03 VOA B m A, FREQ SEP = 10MHz CH B = INTERFERING CHANNEL (dB) – V 1.5 CH A = INTERFERED CHANNEL OB 0 0 OB – V (V) INTERFERED CHANNEL OA 1.0 INPUT = –45dBm, V –1 –0.03 INTERFERING CHANNEL INPUT SWEPT 0.5 –2 85°C –0.06 FREQ SEP = FREQUENCY 25°C SEPARATION BETWEEN –40°C CH A INPUT AND CH B INPUT –3 –0.09 INTERFERED CHANNEL OUTPUT DEVIATION (dB) 0 –65 –55 –45 –35 –25 –15 –5 5 –45 –35 –25 –15 –5 5 INPUT POWER (dBm) INTERFERING CHANNEL 5583 G11 INPUT POWER (dBm) 5583 G12 5583fa 7