Datasheet AD8264 (Analog Devices) - 8

AD8264 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
VS = ±2.5 V, TA = 25°C, f = 10 MHz, CL = 5 pF, RL = 500 Ω per output (VGAx, VOHx, VOLx), VGAIN = (VGNHx − VGNLO) = 0 V, VVOCM = GND, VOFSx = GND, gain range = 6 dB to 30 dB, unless otherwise specified.
36 140 –40°C V MEAN: –0.1dB GAIN = 0V –40°C SD: 0.05dB 30 +25°C 120 +25°C +85°C +85°C DIFFERENTIAL 24 +105°C OUTPUT 100 +105°C ) B 18 80 d ( S T IN VGA HI 12 GA 60 6 40 0 20 –6 0 –0.7 –0.5 –0.3 –0.1 0.1 0.3 0.5 0.7
4 7
–0.6 –0.4 –0.2 0 0.2 0.4
00 00 6- 6-
V
73 73
GAIN (V) GAIN ERROR (dB)
07 07 Figure 3. Gain vs. VGAIN vs. Temperature Figure 6. VGA Absolute Gain Error Histogram
2.0 MEAN: 20.1dB TA = +105°C SD: 0.09dB T 180 1.5 A = +25°C TA = –40°C MAX 1.0 MIN 150 ) B 0.5 (d 120 R O S R T 0 R HI 90 E IN –0.5 GA 60 –1.0 30 –1.5 –2.0 0 –0.7 –0.5 –0.3 –0.1 0.1 0.3 0.5 0.7
5 08
19.0 19.5 20.0 20.5 21.0
0 00 6- 6-
V
73
GAIN SCALING (dB/V)
773
GAIN (V)
0 07 Figure 4. Gain Error vs. VGAIN vs. Temperature Figure 7. Gain Scale Factor Histogram (−0.4 V < VGAIN < +0.4 V)
2 MEAN: 11.9dB 1MHz SD: 0.08dB 10MHz 1 70MHz 80 100MHz 150MHz ) 0 B d 60 ( OR S T R –1 R HI E 40 IN GA –2 20 –3 –4 0
9
–0.7 –0.5 –0.3 –0.1 0.1 0.3 0.5 0.7 11.7 11.8 11.9 12.0 12.1
06 00 0 6- 6-
V
73 73
GAIN (V) GAIN INTERCEPT (dB)
07 07 Figure 5. Gain Error vs. VGAIN at Various Frequencies to VGAx Figure 8. VGA Gain Intercept Histogram Rev. C | Page 8 of 37 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION OVERVIEW PREAMP VGA POST AMPLIFIER VOCM Pin OFSx Pins NOISE APPLICATIONS INFORMATION A LOW CHANNEL COUNT APPLICATION CONCEPT USING A DISCRETE REFERENCE A DC CONNECTED CONCEPT EXAMPLE EVALUATION BOARD CONNECTING AND USING THE AD8264-EVALZ OUTLINE DIMENSIONS ORDERING GUIDE