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THS7001

Features: `Separate Low Noise Preamp and PGA Stages`Shutdown Control`Preamp Features Low Voltage Noise . . . 1.7 nV/Hz Accessible Output Pin for External`Filtering Voltage Feedback, Gmin = 1, 2 100 MHz Bandwidth (3 dB)`PGA Features Digitally Programmable Gain 22 dB to 20 dB Gain/Attenuation ...

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SeekIC No. : 004518930 Detail

THS7001: Features: `Separate Low Noise Preamp and PGA Stages`Shutdown Control`Preamp Features Low Voltage Noise . . . 1.7 nV/Hz Accessible Output Pin for External`Filtering Voltage Feedback, Gmin = 1, 2 ...

THS7001 Data Sheet

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Part Number:
THS7001
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

`Separate Low Noise Preamp and PGA Stages
`Shutdown Control
`Preamp Features
   Low Voltage Noise . . . 1.7 nV/Hz
   Accessible Output Pin for External
`Filtering
   Voltage Feedback, Gmin = 1, 2
   100 MHz Bandwidth (3 dB)
`PGA Features
   Digitally Programmable Gain
   22 dB to 20 dB Gain/Attenuation Range
   6 dB Step Resolution
   Output Clamp Protection
   70 MHz Bandwidth (3 dB)
   175 V/ms Slew Rate
`Wide Supply Range ±4.5 V to ±16 V
`PowerPAD™ Package for Enhanced
   Thermal Performance


Pinout

Connection Diagram


Specifications

Supply voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .±16.5 V
Input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...±VCC
Output current, IO (preamp) (see Note 1) . . . . . . . . . . . . . . . . . . . . ..150 mA
IO (PGA) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  85 mA
Differential input voltage, VID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  ±4 V
Total continuous power dissipation at (or below) TA = 25°C (see Note 2):
THS7001 . ..............................................................................................3.83 W
THS7002 . . . . . . . . . . . . ....................................................................... 4.48 W
Maximum junction temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 150
Operating free-air temperature, TA:C-suffix . . . . . . . . . . . . . . . . . . . 0 to 70
                                                         I-suffix . . . . . . . . . . . . . . . . .40 to 85
Storage temperature, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65 to 125
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . 300

† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated onditions for extended periods may affect device reliability.
NOTES: 1. The THS7001 and THS7002 incorporates a PowerPAD on the underside of the chip. The PowerPAD acts as a heatsink and must be connected to a thermal dissipation plane for proper power dissipation. Failure to do so can esult in exceeding the maximum junction temperature, which could permanently damage the device. See the Thermal Information section of this document for more information about PowerPAD technology.
2. For operation above TA = 25, derate the THS7001 linearly to 2 W at the rate of 30.6 mW/ and derate the THS7002 linearly to 2.33 W at the rate of 35.9 mW/°C.


Description

The THS7001 (single) and THS7002 (dual) are high-speed programmable-gain amplifiers, ideal for applications where load impedance can often vary. Each channel on this device consists of a separate low-noise input preamp and a programmable gain amplifier (PGA). The preamp of THS7001 is a voltage-feedback amplifier offering a low 1.7-nV/Hz voltage noise with a 100-MHz (3 dB) bandwidth. The output pin of the preamp is accessible so that filters can be easily added to the amplifier.

The 3-bit digitally-controlled PGA THS7001 provides a 22-dB to 20-dB attenuation/gain range with a 6-dB step resolution. In addition, the PGA provides both high and low output clamp protection to prevent the output signal from swinging outside the common-mode input range of an analog-to-digital converter. The PGA THS7001 provides a wide 70-MHz (3 dB) bandwidth, which remains relatively constant over the entire gain/attenuation range. Independent shutdown control of THS7001THS7001 is also provided for power conservation and multiplexing. These devices operate over a wide ±4.5-V to ±16-V supply voltage range.




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