LT1189
LT1189 is Low Power Video Difference Amplifier manufactured by Linear Technology.
- Part of the LT1 comparator family.
- Part of the LT1 comparator family.
LT1189 Low Power Video Difference Amplifier
Features s s s s s s s s s s s
DESCRIPTIO
Differential or Single-Ended Gain Block (Adjustable)
- 3d B Bandwidth, AV = ± 10 35MHz Slew Rate 220V/µs Low Supply Current 13m A Output Current ± 20m A CMRR at 10MHz 48d B LT1193 Pin Out Low Cost Single 5V Operation Drives Cables Directly Output Shutdown
The LT1189 is a difference amplifier optimized for operation on ± 5V, or a single 5V supply, and gain ≥ 10. This versatile amplifier Features unmitted high input impedance (+) and (- ) inputs, and can be used in differential or single-ended configurations. Additionally, a second set of inputs give gain adjustment and DC control to the difference amplifier. The LT1189’s high slew rate, 220V/µs, wide bandwidth, 35MHz, and ± 20m A output current require only 13m A of supply current. The shutdown feature reduces the power dissipation to a mere 15m W, and allows multiple amplifiers to drive the same cable. The LT1189 is a low power, gain of 10 stable version of the popular LT1193, and is available in 8-pin mini DIPs and SO packages. For lower gain applications see the LT1187 data sheet.
APPLICATI s s s s
Line Receivers Video Signal Processing Cable Drivers Tape and Disc Drive Systems
TYPICAL APPLICATI
Cable Sense Amplifier for Loop Through Connections with DC Adjust
VIN 5V 3 CABLE VDC 2 1 8
- LT1189 +
- 4
- 5V 909Ω
Closed-Loop Gain vs Frequency
50 VS = ±5V RL = 1k
VOLTAGE GAIN (d B)
+
7 6 VOUT
100Ω
0 0.1
- TA01
1 10 FREQUENCY (MHz) 100
- TA02
LT1189 ABSOLUTE AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
TOP VIEW +/REF
- IN +IN V- 1 2 3 4 8 7 6 5
- /FB V+ OUT S/D
Total Supply Voltage (V + to...