Datasheet for AD7934-6:
- Manufacturer Part Number : AD7934-6
- Manufacturer : AD
- Description : 4-Channel, 625 kSPS, 12-Bit Parallel ADC with a Sequencer
- Series : AD7934-6
- Reference Price : USD 3.84
- Our Price : We have a better price, contact us by email
- Product Type : Precision A/D Converters
- Function : Multiplexed A/D Converters
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : AD7934-6
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Throughput rate: 625 kSPS
- Specified for VDD of 2.7 V to 5.25 V
- Power consumption
3.6 mW maximum at 625 kSPS with 3 V supplies
7.5 mW maximum at 625 kSPS with 5 V supplies - Software-configurable analog inputs
4-channel single-ended inputs
2-channel fully differential inputs
2-channel pseudo differential inputs - 4 analog input channels with a sequencer
- Accurate on-chip 2.5 V reference ±0.2% maximum @ 25°C, 25 ppm/°C maximum
- 70 dB SINAD at 50 kHz input frequency
- No pipeline delays
- High speed parallel interface—word/byte modes
- Full shutdown mode: 2 μA maximum
- 28-lead TSSOP package
The AD7934-6 is a 12-bit, high speed, low power, successive approximation (SAR) analog-to-digital converter (ADC). The part operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 625 kSPS. The part contains a low noise, wide bandwidth, differential track-and-hold amplifier that handles input frequencies up to 50 MHz.
The AD7934-6 features four analog input channels with a channel sequencer that allows a preprogrammed selection of channels to be converted sequentially. This part can accept either single-ended, fully differential, or pseudo differential analog inputs.
Data acquisition and conversion are controlled by standard control inputs that allow for easy interfacing to microprocessors and DSPs. The input signal is sampled on the falling edge of CONVST, which is also the point where the conversion is initiated.
The AD7934-6 has an accurate on-chip 2.5 V reference that can be used as the reference source for the analog-to-digital conversion. Alternatively, this pin can be overdriven to provide an external reference.
The AD7934-6 uses advanced design techniques to achieve very low power dissipation at high throughput rates. The part also features flexible power management options. An on-chip control register allows the user to set up different operating conditions, including analog input range and configuration, output coding, power management, and channel sequencing.
Product Highlights
- High throughput with low power consumption.
- Four analog inputs with a channel sequencer.
- Accurate on-chip 2.5 V reference.
- Single-ended, pseudo differential, or fully differential analog inputs that are software selectable.
- No pipeline delay.
- Accurate control of the sampling instant via a CONVST input and once-off conversion control.
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
