THS4531IDR Electronic IC Chip Rail-to-Rail Output, Fully-Differential Amplifier
electronic integrated circuit
,linear integrated circuits
THS4531
Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier
FEATURES
• Ultra Low Power:
– Voltage: 2.5 V to 5.5 V
– Current: 250 µA
– Power-Down Mode: 0.5 µA (typ)
• Fully-Differential Architecture
• Bandwidth: 36 MHz
• Slew Rate: 200 V/µs
• THD: –120 dBc at 1 kHz (1 VRMS, RL= 2 kΩ)
• Input Voltage Noise: 10 nV/√Hz (f = 1 kHz)
• High DC Accuracy:
– VOS Drift: ±4 µV/˚C (–40°C to +125°C)
– AOL: 114 dB
• Rail-to-Rail Output (RRO)
• Negative Rail Input (NRI)
• Output Common-Mode Control
APPLICATIONS
• Low-Power SAR, ΔΣ ADC Driver
• Low Power, High Performance:
– Differential to Differential Amplifier
– Single-Ended to Differential Amplifier
• Low-Power, Wide-Bandwidth Differential Driver
• Low-Power, Wide-Bandwidth Differential Signal Conditioning
• High Channel Count and Power Dense Systems
DESCRIPTION
The THS4531 is a low-power, fully-differential op amp with input common-mode range below the negative rail and rail-to-rail output. The device is designed for low-power data acquisition systems and high density applications where power consumption and dissipation is critical.
The device features accurate output common-mode control that allows for dc coupling when driving analog-to-digital converters (ADCs). This control, coupled with the input common-mode range below the negative rail and rail-to-rail output, allows for easy interface from single-ended ground-referenced signal sources to successive-approximation registers (SARs), and delta-sigma (ΔΣ) ADCs using only single-supply 2.5-V to 5-V power. The THS4531 is also a valuable tool for general-purpose, low-power differential signal conditioning applications.
The THS4531 is characterized for operation over the extended industrial temperature range from –40°C to +125°C. The following package options are available:
• 8-pin SOIC (MSOP) and VSSOP (D and DGK)
• 10-pin WQFN (RUN)
ABSOLUTE MAXIMUM RATINGS
| VALUE | UNITS | ||
|---|---|---|---|
| Supply voltage, VS– to VS+ | 5.5 | V | |
| Input/output voltage, VIN±, VOUT±, and VOCM pins | (VS–) – 0.7 to (VS+) + 0.7 | V | |
| Differential input voltage, VID | 1 | V | |
| Continuous output current, IO | 50 | mA | |
| Continuous input current, Ii | 0.75 | mA | |
| Continuous power dissipation | See Thermal Information | ||
| Maximum junction temperature, TJ | 150 | °C | |
| Operating free-air temperature range, TA | –40 to +125 | °C | |
| Storage temperature range, Tstg | –65 to +150 | °C | |
| Electrostatic discharge (ESD) ratings: | Human body model (HBM) | 3000 | V |
| Charge device model (CDM) | 500 | V | |
| Machine model (MM) | 200 | V | |
Stock Offer (Hot Sell)
| Part No. | Quantity | Brand | D/C | Package |
| SLA6020 | 6125 | SANKEN | 15+ | SIP-12 |
| SLA6026 | 3749 | SANKEN | 16+ | ZIP-12 |
| SLF7045T-101MR50-PF | 17000 | TDK | 15+ | SMD |
| SLR-342VRTJ7 | 83000 | ROHM | 10+ | DIP-2 |
| SM02B-GHS-TB(LF)(SN) | 70000 | JST | 16+ | SMD |
| SM04B-GHS-TB | 6413 | JST | 16+ | SMD |
| SM04B-SURS-TF | 23202 | JST | 15+ | SMD |
| SM08B-GHS-TB(LF)(SN) | 71000 | JST | 13+ | SMD |
| SM15T36CA | 83000 | ST | 16+ | DO-214AB |
| SM351LT | 8539 | HONEYWELL | 16+ | SOT-23 |
| SM4007S | 10000 | CHENMKO | 12+ | SOD-123 |
| SM5819 | 25000 | DIODES | 16+ | SMA |
| SM6T200A | 27000 | ST | 16+ | DO-214AA |
| SM72295MAX | 3674 | TI | 16+ | SOIC-28 |
| SM8S28AHE3/2D | 7089 | VISHAY | 15+ | DO-218AB |
| SMAJ12A | 9000 | VISHAY | 15+ | DO-214AC |
| SMAJ12CA | 9000 | VISHAY | 16+ | DO-214AC |
| SMAJ17CA-13-F | 33000 | DIODES | 11+ | DO-214AC |
| SMAJ250A | 10000 | LITTELFUSE | 16+ | DO-214AC |
| SMAT70A-13 | 84000 | DIODES | 15+ | DO-214AC |
| SMBJ188A-E3/52 | 75000 | VISHAY | 13+ | DO-214AA |
| SMBJ28CA | 8000 | VISHAY | 14+ | DO-214AA |
| SMBJ5.0CA | 9000 | VISHAY | 16+ | DO-214AA |
| SMBJ5347BTR-T | 5000 | MICROSEMI | 15+ | DO-214AA |
| SMBJ5V0A | 38000 | FAIRCHILD | 16+ | DO-214AA |
| SMCJ22CA | 78000 | VISHAY | 14+ | DO-214AB |
| SMCJ64A | 84000 | VISHAY | 14+ | DO-214AB |
| SMD125F-2 | 98000 | TYCO | 16+ | SMD |
| SMDJ20CA | 85000 | LITTELFUSE | 16+ | DO-214AB |
| SMF05CT2G | 103000 | ON | 13+ | SOT-363 |
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