AD8148
AD8148 is Triple Differential Driver manufactured by Analog Devices.
- Part of the AD8146 comparator family.
- Part of the AD8146 comparator family.
FEATURES
Triple high speed fully differential driver 700 MHz,
- 3 d B, 2 V p-p bandwidth (AD8146/AD8148) 600 MHz,
- 3 d B, 2 V p-p bandwidth (AD8147) 200 MHz, 0.1 d B, 2 V p-p bandwidth 3000 V/μs slew rate
Fixed gain (AD8146/AD8147: G = 2, AD8148: G = 4) Differential or single-ended input to differential output
Can be used as differential-to-differential receiver Drives one or two 100 Ω UTP cables Adjustable output mon-mode voltage (AD8146) Internal mon-mode feedback network
Output balance error
- 50 d B @ 50 MHz On-chip, sync-on mon-mode encoding (AD8147/AD8148) Output pull-down feature for line isolation Low power: 57 m A @ 5 V for 3 drivers (AD8146) Wide supply voltage range: +5 V to ±5 V Available in a small 4 mm × 4 mm LFCSP
APPLICATIONS
QXGA or 1080p video transmission KVM networking Video over unshielded twisted pair (UTP) Differential signal multiplexing
Triple Differential Driver for Wideband Video
AD8146/AD8147/AD8148
FUNCTIONAL BLOCK DIAGRAMS
VS+
- IN B +IN B VS- VOCMA VOCMB
OPD 1 VS- 2
- IN A 3 +IN A 4 VS- 5
- OUT A 6
24 23 22 21 20 19
A 78
AD8146 18 VOCMC
17 VS+ 16
- IN C
15 +IN C B
C 14 VS-
- OUT C
9 10 11 12
09327-001
+OUT A VS+
+OUT B
- OUT B
VS+ +OUT C
Figure 1.
VS+
- IN G +IN G VS- (SYNC) VSYNC HSYNC
OPD 1 VS- 2
- IN R 3 +IN R 4 VS- 5
- OUT R 6
24 23 22 21 20...