THS4524-EP Texas instruments

THS4524-EP

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THS4524-EP

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Описание

The THS4524 is a very low-power, fully differential operational amplifier with rail-to-rail output and an input common-mode range that includes the negative rail. This amplifier is designed for low-power data acquisition systems and high-density applications where power dissipation is a critical parameter, and provide exceptional performance in audio applications. This fully differential op amp features accurate output common-mode control that allows for dc-coupling when driving analog-to-digital converters (ADCs). This control, coupled with an input common-mode range below the negative rail as well as rail-to-rail output, allows for easy interfacing between single-ended, ground-referenced signal sources. Additionally, the THS4524 is ideally suited for driving both successive-approximation register (SAR) and delta-sigma (ΔΣ) ADCs using only a single +2.5-V to +5-V and ground power supply. The THS4524 fully differential op amp is characterized for operation over the full industrial temperature range from –55°C to 125°C.

Fully Differential Architecture
Bandwidth: 145 MHz
Slew Rate: 490 V/µs
HD₂: –133 dBc at 10 kHz
(1 V_RMS, R_L = 1 kΩ)
HD₃: –140 dBc at 10 kHz
(1 V_RMS, R_L = 1 kΩ)
Input Voltage Noise: 4.6 nV/√Hz
(f = 100 kHz)
THD+N: –112dBc (0.00025%) at 1 kHz
(22-kHz BW, G = 1, 5 V_PP)
Open-Loop Gain: 119 dB
NRI—Negative Rail Input
RRO—Rail-to-Rail Output
Output Common-Mode Control
(With Low Offset and Drift)
Power Supply:
- Voltage: +2.5 V (±1.25 V)
  to +5.5 V (±2.75 V)
- Current: 1.14 mA/ch
Power-Down Capability: 20 µA (Typical)

Supports Defense, Aerospace, and Medical Applications

Controlled Baseline
One Assembly/Test Site
One Fabrication Site
Available in Military (–55°C/125°C) Temperature Range⁽¹⁾
Extended Product Life Cycle
Extended Product-Change Notification
Product Traceability

⁽¹⁾ Additional temperature ranges available - contact factory
All trademarks are the property of their respective owners.

Number of channels	4
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	2.5
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	5.5
BW at Acl (MHz)	145
Acl, min spec gain (V/V)	1
Slew rate (typ) (V/µs)	490
Architecture	Bipolar, Fully Differential ADC Driver
Vn at flatband (typ) (nV√Hz)	4.6
Iq per channel (typ) (mA)	1
Rail-to-rail	In to V-, Out
Vos (offset voltage at 25°C) (max) (mV)	8
Operating temperature range (°C)	-55 to 125
Iout (typ) (mA)	55
2nd harmonic (dBc)	122
3rd harmonic (dBc)	141
Frequency of harmonic distortion measurement (MHz)	0.001
GBW (typ) (MHz)	95
Input bias current (max) (pA)	900000
Features	Shutdown
CMRR (typ) (dB)	102
Rating	HiRel Enhanced Product