Shenzhen Jinsheng Weiye Electronics Co., Ltd
About Shenzhen Jinsheng Weiye Electronics Co., Ltd JSWY Semiconductor Limited was founded in 2019, specializing in the electronic components distribution business. We adhere to honesty and ethics as
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Product Details
The AD7949 is an 8-channel, 14-bit, charge redistribution successive approximation register (SAR) analog-to-digital converter (ADC) that operates from a single power supply, VDD.
14-bit resolution with no missing codes
8-channel multiplexer with choice of inputs
Unipolar single ended
Differential (GND sense)
Pseudobipolar
Throughput: 250 kSPS
INL/DNL: ±0.5 LSB typical
SINAD: 85 dB @ 20 kHz
THD: 100 dB @ 20 kHz
Analog input range: 0 V to VREF with VREF up to VDD
Multiple reference types
Internal selectable 2.5 V or 4.096 V
External buffered (up to 4.096 V)
External (up to VDD)
Internal temperature sensor
Channel sequencer, selectable 1-pole filter, busy indicator
No pipeline delay, SAR architecture
Single-supply 2.7 V to 5.5 V operation with
1.8 V to 5 V logic interface
Serial interface compatible with SPI, MICROWIRE,
QSPI, and DSP
Power dissipation
2.9 mW @ 2.5 V/200 kSPS
10.8 mW @ 5 V/250 kSPS
Standby current: 50 nA
20-lead 4 mm × 4 mm LFCSP package
Battery-powered equipment
Medical instruments: ECG/EKG
Mobile communications: GPS
Personal digital assistants
Power line monitoring
Data acquisition
Seismic data acquisition systems
Instrumentation
Process control
Specifications
| Attribute | Attribute Value |
|---|---|
| Manufacturer | Analog Devices |
| Product Category | Analog to Digital Converters (ADC) |
| Series | PulSAR® |
| Product | Analog to Digital Converters |
| Type | S/H ADC |
| Packaging | Tray Alternate Packaging |
| Mounting-Style | SMD/SMT |
| Package-Case | 20-VFQFN Exposed Pad, CSP |
| Input-Type | Differential, Pseudo-Differential, Single Ended |
| Operating-Temperature | -40°C ~ 85°C |
| Features | Temperature Sensor |
| Number-of-Channels | 8 Channel |
| Supplier-Device-Package | 20-LFCSP-VQ (4x4) |
| Sampling-Rate-Per-Second | 250k |
| Data-Interface | SPI, DSP |
| Number-of-Bits | 14 Bits |
| Voltage-Supply-Analog | 2.3 V ~ 5.5 V |
| Voltage-Supply-Digital | 2.3 V ~ 5.5 V |
| Configuration | MUX-S/H-ADC |
| Architecture | SAR |
| Number-of-Inputs | 8 Inputs |
| Resolution | 14 bit |
| Reference-Type | External, Internal |
| Ratio-S-H:ADC | 1899/12/30 1:01:00 |
| Number-of-A-D-Converters | 1 |
| Pd-Power-Dissipation | 13.5 mW |
| Maximum Operating Temperature | + 85 C |
| Operating temperature range | - 40 C |
| Power-Consumption | 13.5 mW |
| Interface-Type | Serial 4-Wire SPI |
| SNR-Signal-to-Noise-Ratio | 85.5 dB |
| Software Development Kit | EVAL-AD7949EDZ |
| Package-Case | LFCSP-20 |
| Gain-Error | +/- 5 LSB |
| Number-of-Converters | 1 Converter |
| Sampling-Rate | 250 kS/s |
| INL-Integral-Nonlinearity | +/- 1 LSB |
| DNL-Differential-Nonlinearity | +/- 1 LSB |
Descriptions
Who we are?
FAQ
Q: Are you trading company or manufacturer?
A: We are original manufacturer OF Integrated Circuit Chip . We can do OEM/ODM business.
Q: How long is your delivery time?
A: Group buying delivery time: 30-60 days; General delivery time: 20 days.
Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.
Q: How to buy your products?
A: You can buy the products from our company directly.Normally the procedure is sign the contract, payment by T/T,Contact the shipping company to delivery the goods to your country.
Q: What is the warranty ?
A: The free warranty is one year from the day of Commissioning qualified.If there is any fault for our products within the free warranty period, we will repair it and change the fault assembly for free.
6-TSSOP,
