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- AD604ARZ - ADI
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Manufacturer:ADI
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ManyChip's Part#:MC646767
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Category:Amplifier, Buffer IC
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Package:SOIC-24
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Datasheet:Datasheet 3D Model
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Description:ANALOG DEVICES AD604ARZ Programmable/Variable Amplifier, 1Channels, 2 Amplifier, 40MHz, -40℃, 85℃
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Stock Locations:
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Availability:208 pcs In Stock
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MOQ:1 pcs
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Unit Price:$ 29.14
Updated at 02/11/2025 10:30:15(UTC+8)
Certifications
ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.
Description
- Product Details
- The AD604 is an ultralow noise, very accurate, dual-channel, linear-in-dB variable gain amplifier (VGA) optimized for time-based variable gain control in ultrasound applications; however, it supports any application requiring low noise, wide bandwidth, variable gain control. Each channel of the AD604 provides a 300 kΩ input resistance and unipolar gain control for ease of use. User determined gain ranges, gain scaling (dB/V), and dc level shifting of output further optimize performance.
- Each channel of the AD604 utilizes a high performance preamplifier that provides an input referred noise voltage of 0.8 nV/√Hz. The very accurate linear-in-dB response of the AD604 is achieved with the differential input exponential amplifier (DSX-AMP) architecture. Each of the DSX-AMPs comprise a variable attenuator of 0 dB to 48.36 dB followed by a high speed fixed gain amplifier. The attenuator is a 7-stage R-1.5R ladder network. The attenuation between tap points is 6.908 dB and 48.36 dB for the ladder network.
- The equation for the linear-in-dB gain response is
- _G_(dB) = (_Gain Scaling _(dB/V) × _VGN_ (V))
- \+ (_Preamp Gain_ (dB) – 19 dB)
- Preamplifier gains between 5 and 10 (14 dB and 20 dB) provide overall gain ranges per channel of 0 dB through 48 dB and 6 dB through 54 dB. The two channels of the AD604 can be cascaded to provide greater levels of gain range by bypassing the second channel’s preamplifier. However, in multiple channel systems, cascading the AD604 with other devices in the AD60x VGA family that do not include a preamplifier may provide a more efficient solution. The AD604 provides access to the output of the preamplifier, allowing for external filtering between the preamplifier and the differential attenuator stage.
- Note that scale factors up to 40 dB/V are achievable with reduced accuracy for scales above 30 dB/V. The gain scales linearly-in-dB with control voltages of 0.4 V to 2.4 V with the 20 dB/V scale. Below and above this gain control range, the gain begins to deviate from the ideal linear-in-dB control law. The gain control region below 0.1 V is not used for gain control. In fact when the gain control voltage is <50 mV, the amplifier channel is powered down to 1.9 mA.
- The AD604 is available in 24-lead SSOP, SOIC, and PDIP packages and is guaranteed for operation over the −40°C to +85°C temperature range.
- **Applications**
- Ultrasound and sonar time gain control
- High performance AGC systems
- Signal measurement
- ### Features and Benefits
- Ultralow input noise at maximum gain: 0.80 nV/√Hz, 3.0 pA/√Hz
- Two independent linear-in-dB channels
- Absolute gain range per channel programmable: 0 dB to 48 dB (preamp gain = 14 dB)
- through 6 dB to 54 dB (preamp gain = 20 dB)
- ±1.0 dB gain accuracy
- Bandwidth: 40 MHz (−3 dB)
- 300 kΩ input resistance
- Variable gain scaling: 20 dB/V through 40 dB/V
- Stable gain with temperature and supply variations
- Single-ended unipolar gain control
- Power shutdown at lower end of gain control
- Drive ADCs directly
AD604ARZ Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 24 Pin |
| Case/Package | SOIC-24 |
| Supply Voltage (DC) | 5.00 V |
| Supply Current | 32 mA |
| Number of Circuits | 2 Circuit |
| Number of Channels | 2 Channel |
| Number of Positions | 24 Position |
| Power Dissipation | 1.7 W |
| Common Mode Rejection Ratio | 20 dB |
| Bandwidth | 40 MHz |
| Slew Rate | 170 V/μs |
| Gain Bandwidth Product | 40 MHz |
| Input Bias Current | 400 nA |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| 3dB Bandwidth | 40 MHz |
| Gain Bandwidth | 40 MHz |
| Power Dissipation (Max) | 1700 mW |
| Minimum CMRR Range | 20 dB |
| Supply Voltage (Max) | 6.5 V |
| Show | |
| Size-Length | 15.6 mm |
| Size-Width | 7.6 mm |
| Size-Height | 2.35 mm |
| Operating Temperature | -40℃ ~ 85℃ |
| Product Lifecycle Status | Active |
| Packaging | Tube |
| RoHS | RoHS Compliant |
| Lead-Free Status | Contains Lead |
| REACH SVHC Compliance | No SVHC |
| REACH SVHC Compliance Edition | 2015/12/17 |
Order guide
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- Please confirm with the logistics company in advance for remote areas.
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- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
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