LCSC Electronics logoLCSC Electronics svg logo
Sign In
USD
Cart
11% OFF
ADI ADA4940-1ARZ product image
  • ADA4940-1ARZ thumbnail 1
  • ADA4940-1ARZ thumbnail 2
  • ADA4940-1ARZ thumbnail 3
  • Pinout
  • Footprint
Images for reference only

ADI ADA4940-1ARZRoHS

Manufacturer
ADI
MPN
ADA4940-1ARZ
LCSC Part #
C459899
Packaging
SOIC-8
Customer #
Key Attributes
Ultra-low power, low distortion fully differential ADC driver
Datasheetpdf iconADI ADA4940-1ARZ
In-Stock: 249
249 In stock, ships now
Add to BOM List
QtyUnit PriceTotal Amount
1+$ 6.02$ 5.3578$ 5.36
10+$ 5.246$ 4.6690$ 46.69
30+$ 4.7755$ 4.2502$ 127.51
100+$ 4.3795$ 3.8978$ 389.78
Standard Packaging98/Full Tube
Better price for more quantity?
$

Products Specifications

Show similar products (0) >
TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Instrumentation, Op Amps, Buffer Amps
ManufacturerADI
PackagingSOIC-8
Settling time34ns
Number of Channels1
Output TypeDifferential
Vos - Input Offset Voltage60uV
Slew Rate95V/us
Input Offset Current(Ios)50nA
FeaturesSingle-ended to differential conversion;Enable/shutdown function;Adjustable output common-mode voltage;Integrated ADC driver
Operating Temperature-40℃~+125℃
Common Mode Rejection Ratio(CMRR)119dB
Ib - Input Bias Current1.1uA
Noise density(eN)3.9nV/√Hz@100kHz
Maximum Power Supply Range (Vdd-Vss)7V
Input Offset Voltage Drift(Vos TC)1.2uV/℃
Quiescent Current1.25mA
Gain Bandwidth Product260MHz
Rail to RailRail-to-rail output
Single Supply3V~7V
Power Supply Rejection Ratio (PSRR)90dB
Report an ErrorShow similar products (0) >

Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging98
Sales UnitPiece

Introduction

AI Translation

The ADA4940-1/ADA4940-2 are low noise, low distortion, ultralow power fully differential amplifiers ideally suited for driving low power, high resolution, high performance SAR and Σ-Δ ADCs with resolutions up to 16 bits from DC to 1 MHz, with a quiescent current of only 1.25 mA. The adjustable output common-mode level allows the ADA4940-1/ADA4940-2 to match the input common-mode voltage of multiple ADCs. An internal common-mode feedback loop provides excellent output balance and suppresses even-order harmonic distortion products. For the ADA4940-1/ADA4940-2, differential gain configuration is easily achieved using a simple external feedback network of four resistors, which determines the closed-loop gain of the amplifier. The ADA4940-1/ADA4940-2 are fabricated on a SiGe complementary bipolar process, enabling extremely low distortion levels with an input voltage noise of only 3.9 nV/√Hz. Low DC offset and excellent dynamic performance make the ADA4940-1/ADA4940-2 particularly suitable for a wide range of data acquisition and signal processing applications. The ADA4940-1 is available in lead-free, 3 mm × 3 mm, 16-lead LFCSP and 8-lead SOIC packages. The ADA4940-2 is available in a 4 mm × 4 mm, 24-lead lead-free LFCSP package. The pin configuration is optimized to facilitate PCB layout and routing while minimizing distortion. The ADA4940-1/ADA4940-2 are rated for an operating temperature range of −40°C to +125°C.

Features

AI Translation
  • Small signal bandwidth: 260 MHz
  • Ultra-low power consumption: 1.25 mA
  • Extremely low harmonic distortion: −122 dB THD (50 MHz), −96 dB THD (1 MHz)
  • Low input voltage noise: 3.9 nV/√Hz
  • Offset voltage: 0.35 mV (maximum)
  • Differential output
  • 0.7% settling time: 34 ns
  • Rail-to-rail output: -Vs + 0.1 V to +Vs - 0.1 V
  • Adjustable output common-mode voltage
  • Flexible supply: 3 V to 7 V (LFCSP)
  • Disable pin for power reduction
  • ADA4940-1 available in LFCSP and SOIC packages

Applications

AI Translation
  • Low-power PulSAR/SAR ADC driver
  • Single-ended to differential conversion
  • Differential buffer
  • Line driver
  • Medical imaging
  • Industrial process control
  • Portable electronics