Vendor: TES Electronic Solutions Category: Amplifier

Very-low-noise and programmable very-high-gain DC-voltage amplifier with precision offset trimming

The TS_VA_LNDC_X8 comprises the main function dcamp and its companion dcamptrim.

Overview

The TS_VA_LNDC_X8 comprises the main function dcamp and its companion dcamptrim. The dcamp is a very-low-output-noise-level (604µVRMS max) and 1%-precise programmable very-high-gain (32 selectable gains up to 400V/V) DC-voltage amplifier, with an extra differential input for precision offset trimming by the dual 8-bit one’s-complement-coded DAC dcamptrim.

The dcamp and dcamptrim operate with one supply voltage VDDA4 (4V typical) and one precision reference voltage VREF (2.5V).

The dcamp complies with 2kV electrostatic discharges on its analog terminals VIN, FB_IN and VOUT.

The minimum continuous operation lifetime spans 100000 hours.

Operating conditions

Parameters Values
Junction temperature range 20ºC to +80ºC
Supply voltage VDDA4: 3.9V to 4.1V (supplied by the additional IP Reg_4V)
Reference voltage VREF: 2.5V
Reference sink current intensity I(IBPU): 19.5µA to 20.5µA
Switched load to dcamp output 35pF to 45pF with series switch resistance within 70Ω to 110Ω

Specification

Parameters Values
dcamp output noise level over 1Hz to 10MHz, at max gain 604µVRMS max
dcamp DC output offset at maximum gain, after offset calibration by means of dcamptrim -10mV to +10mV
dcamptrim differential output voltage step width -25µV
dcamptrim differential output voltage range ±3.175mV
dcamp 1%-precision-linear-response output voltage range 100mV to 2.5V
dcamp recovery time of output voltage precision within 38µV, upon charging switched load capacitor from 0.1V to 2.4V or discharging from 2.4V to 0.1V, at maximum gain 2µs max
dcamp 3dB cut-off frequency, at max gain 15.2Hz min, 30.5Hz max
dcamp PSRR over frequencies up to 10 MHz, DC-level PSRR 21.8dB min, 50.6dB min
dcamp + dcamptrim operating power consumption Enable EN, EN_DCAMP high 2.7mW max
dcamp + dcamptrim powerdown-mode current consumption Enable EN, EN_DCAMP low 20nA max
dcamp Area 2.56mm²
dcamptrim Area 0.64mm²

Block Diagram

TS_VA_LNDC_X8 block diagram

Specifications

Identity

Part Number
TS_VA_LNDC_X8
Vendor
TES Electronic Solutions
Type
Silicon IP

Files

Product Sheet Download

Note: some files may require an NDA depending on provider policy.

Provider

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Frequently asked questions about Amplifier IP cores

What is Very-low-noise and programmable very-high-gain DC-voltage amplifier with precision offset trimming?

Very-low-noise and programmable very-high-gain DC-voltage amplifier with precision offset trimming is a Amplifier IP core from TES Electronic Solutions listed on Semi IP Hub.

How should engineers evaluate this Amplifier?

Engineers should review the overview, key features, supported foundries and nodes, maturity, deliverables, and provider information before shortlisting this Amplifier IP.

Can this semiconductor IP be compared with similar products?

Yes. Buyers can compare this product with similar semiconductor IP cores or IP families based on category, provider, process options, and structured technical specifications.

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