THS4513 Texas instruments

THS4513

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THS4513

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Описание

The THS4513 is a wideband, fully-differential op amp designed for 3.3-V to 5-V data acquisition systems. It has very low noise at 2.2 nV/√Hz, and extremely low harmonic distortion of –75 dBc HD2 and –86 dBc HD3 at 70 MHz with 2-VPP output, G = 0 dB, and 200- load. Slew rate is very high at 5100 V/μs and with settling time of 2.9 ns to 1% (2-V step), it is ideal for pulsed applications. It is designed for a minimum gain of 0 dB. To allow for dc-coupling to analog-to-digital converters (ADCs), its unique output common-mode control circuit maintains the output common-mode voltage within 5-mV offset (typ) from the set voltage, when set within 0.5 V of midsupply, with less than 4-mV differential offset voltage. The common-mode set point is set to midsupply by internal circuitry, which may be overdriven from an external source. The input and output are optimized for best performance with their common-mode voltages set to midsupply. Along with high performance at low power-supply voltage, this design makes it ideal for extremely high-performance, single-supply 5-V data acquisition systems. The THS4513 is offered in a quad, leadless QFN-16 package (RGT), and is characterized for operation over the full industrial temperature range from –40°C to +85°C.

Fully-Differential Architecture
Centered Input Common-Mode Range
Minimum Gain of 1 V/V (0 dB)
Bandwidth: 1600 MHz
Slew Rate: 5100 V/µs
1% Settling Time: 2.9 ns
HD₂: –75 dBc at 70 MHz
HD₃: –86 dBc at 70 MHz
OIP₂: 77 dBm at 70 MHz
OIP₃: 42 dBm at 70 MHz
Input Voltage Noise: 2.2 nV/√Hz (f > 10 MHz)
Noise Figure: 19.8 dB
Output Common-Mode Control
Power Supply:
- Voltage: 3 V (±1.5 V) to 5 V (±2.5 V)
- Current: 37.7 mA
Power-Down Capability: 0.65 mA
APPLICATIONS
- 5-V Data Acquisition Systems, High Linearity ADC Amplifier
- Wireless Communication
- Medical Imaging
- Test and Measurement

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Number of channels	1
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	3
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	5.5
BW at Acl (MHz)	1600
Acl, min spec gain (V/V)	1
Slew rate (typ) (V/µs)	5100
Architecture	Bipolar, Fully Differential ADC Driver
Vn at flatband (typ) (nV√Hz)	2.2
Iq per channel (typ) (mA)	37.7
Rail-to-rail	No
Vos (offset voltage at 25°C) (max) (mV)	4
Operating temperature range (°C)	-40 to 85
Iout (typ) (mA)	96
2nd harmonic (dBc)	110
3rd harmonic (dBc)	108
Frequency of harmonic distortion measurement (MHz)	10
GBW (typ) (MHz)	2800
Input bias current (max) (pA)	15500000
Features	Shutdown
CMRR (typ) (dB)	90
Rating	Catalog