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AD7938BCPZ
IC ADC 12BIT SAR 32LFCSP
- Manufacturer
- Mfr. Part #AD7938BCPZ
- Package
- Datasheet AD7938BCPZ DataSheet
- In Stock7627
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Specifications
| Part Status | Active |
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 1.5M |
| Number of Inputs | 4, 7, 8 |
| Input Type | Differential, Pseudo-Differential, Single Ended |
| Data Interface | Parallel |
| Configuration | MUX-S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 2.7V ~ 5.25V |
| Voltage - Supply, Digital | 2.7V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 32-VFQFN Exposed Pad, CSP |
| Supplier Device Package | 32-LFCSP-VQ (5x5) |
| Mounting Type | Surface Mount |
| Base Product Number | AD7938 |
Overview
Description
Its key features include a differential input range, digital output options (SPI-compatible), programmable gain amplifiers, and an integrated reference voltage. The AD7938BCPZ is suitable for various applications, including industrial automation, medical instrumentation, and consumer electronics.
The ADC is housed in a compact LFCSP package, making it suitable for space-constrained designs. It is also equipped with advanced power management features, optimizing performance while minimizing power consumption. Overall, the AD7938BCPZ is a robust solution for applications requiring high precision and speed in converting analog signals to digital data.
Features
1. Resolution: 12-bit resolution for accurate conversions.
2. Sampling Rate: 1 MSPS (mega-sample per second) for fast data acquisition.
3. Input Range: Supports a bipolar input range of ±10 V or a unipolar range of 0 to 10 V.
4. Interface: SPI (Serial Peripheral Interface) compatible for easy integration with microcontrollers and DSPs.
5. Low Power Consumption: Typically consumes 10 mW, making it suitable for battery-operated applications.
6. Differential Input: Offers differential input architecture for improved noise performance.
7. Internal Reference: Includes an internal voltage reference for stable performance.
8. Temperature Range: Operates across a wide temperature range (-40°C to +85°C).
9. Package: Available in a compact 28-lead LFCSP package (Lead Frame Chip Scale Package).
These features make the AD7938BCPZ suitable for a variety of applications, including industrial automation, instrumentation, and data acquisition systems.
Package
Pinout
Pin Functions:
1. Power Supply Pins: VDD (power supply), VSS (ground).
2. Analog Input Pins: VIN (analog input channels).
3. Reference Voltage Pins: VREF (reference voltage input).
4. Clock Input: CLK (clock input for operation).
5. Digital Interface Pins:
- DOUT (data output),
- DIN (data input),
- CS (chip select),
- RD (read control),
- WR (write control),
- CONVST (conversion start),
- SDO (serial data output).
6. Test Pins: Various pins for testing and configuration.
The AD7938BCPZ is suitable for applications requiring high-speed data conversion with low power consumption.
Manufacturer
Application
Equivalent
1. MCP3202 - 12-bit, dual-channel ADC from Microchip.
2. LTC1864 - 16-bit, quad-channel ADC from Analog Devices.
3. MAX11614 - 12-bit, quad-channel ADC from Maxim Integrated.
4. ADS8343 - 16-bit, 4-channel ADC from Texas Instruments.
Always check for specific features and compatibility based on your application requirements.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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