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NI (National Instruments) · USB 2.0

USB-7845

The NI USB-7845 is a USB 2.0 multifunction reconfigurable I/O device with a Kintex-7 70T FPGA and a maximum sample rate of 500 kS/s. It provides eight analog inputs, eight analog outputs and 48 bidirectional digital channels.

ManufacturerNI (National Instruments)

ModelUSB-7845

Part Number783200-01 · 783200-02

Product TypeKintex-7 70T FPGA, 500 kS/s Multifunction Reconfigurable I/O Device

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Maximum Sample Rate500 kS/s

Bus ConnectionUSB 2.0

Maximum Clock Rate80 MHz

Bidirectional Digital Channels48

Digital I/O Logic Levels1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V

FPGAKintex-7 70T

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Overview

Product overview

Key product information and technical features.

The USB-7845 combines analog and digital I/O with a user-programmable Kintex-7 70T FPGA for onboard processing and direct control of I/O signals. The catalog identifies NI part numbers 783200-01 and 783200-02 for this model.

Its eight analog inputs support simultaneous sampling, with dedicated A/D conversion per channel for independent timing and triggering. Eight analog outputs and 48 bidirectional digital channels provide additional signal generation and digital interfacing capabilities.

User-programmable Kintex-7 70T FPGA for onboard processing and I/O control.
Eight 16-bit analog inputs with selectable ±1 V, ±2 V, ±5 V and ±10 V ranges.
Simultaneous analog input sampling at a maximum sample rate of 500 kS/s.
Eight 16-bit analog outputs with a ±10 V output range and maximum analog update rate of 1 MS/s.
48 bidirectional digital channels supporting 1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V logic levels.
USB 2.0 host interface and VHDCI front connection.

Verified specifications

Technical data

Verified product specifications.

Maximum Sample Rate	500 kS/s
Bus Connection	USB 2.0
Maximum Clock Rate	80 MHz
Number of Bidirectional Digital Channels	48
Digital I/O Logic Levels	1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V
FPGA	Kintex-7 70T
Analog Input Voltage Range	-1 V to 1 V -2 V to 2 V -5 V to 5 V -10 V to 10 V
Electrical Signal Measured	Voltage
Reconfigurable	Yes
Number of Analog Input Channels	8
Maximum Digital Update Rate	12.5 ns
Maximum Analog Update Rate	1 MS/s
Number of Analog Output Channels	8
Operating Temperature Range	-40 °C to 70 °C
Front Connection Type	VHDCI
Signaling Type	Single-Ended
Maximum Number of Single-Ended Analog Input Channels	8
Maximum Number of Differential Analog Input Channels	8
Analog Input Resolution	16 bits
Number of Voltage Output Channels	8
Analog Output Voltage Range	-10 V to 10 V
Analog Output Resolution	16 bits
Simultaneous Sampling	Yes
Analog Input Absolute Accuracy	2.28 mV
NI part numbers	783200-01, 783200-02

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NI

Manufacturer

USB 2.0

Bus Connection

USB-7845

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FAQ

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Product-specific answers based on available technical information.

What type of device is the NI USB-7845?

It is a USB 2.0 multifunction reconfigurable I/O device with a user-programmable Kintex-7 70T FPGA and a maximum sample rate of 500 kS/s.

How many analog input and output channels does it have?

The USB-7845 provides eight 16-bit analog inputs and eight 16-bit analog outputs. Its analog inputs support simultaneous sampling.

What voltage ranges does the analog I/O support?

Analog input ranges are ±1 V, ±2 V, ±5 V and ±10 V. The analog output range is ±10 V.

What digital I/O capabilities are provided?

It has 48 bidirectional digital channels supporting 1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V logic levels.

Which NI part numbers are associated with the USB-7845?

The existing verified catalog data associates part numbers 783200-01 and 783200-02 with the USB-7845. Confirm the required configuration before selecting a part number.