AD7691BRMZ

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Series Information for AD7691BRMZ - Analog Devices

Features

  • feature
    18-bit resolution with no missing codes Throughput: 250 kSPS INL: u00b10.75 LSB typical, u00b11.5 LSB maximum (u00b16 ppm of FSR) Dynamic range: 102 dB typical at 250 kSPS Oversampled dynamic range: 125 dB at1 kSPS Noise-free code resolution: 20 bits at 1 kSPS Effective resolution: 22.7 bits at 1 kSPS SINAD: 101.5 dB typical at 1 kHz THD: u2212125 dB typical at 1 kHz True differential analog input range: u00b1VREF 0 V to VREF with VREF up to VDD on both inputs No pipeline delay Single-supply 2.3 V to 5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface Proprietary serial interface SPI/QSPI/MICROWIREu2122/DSP compatible Ability to daisy-chain multiple ADCs Optional busy indicator feature Power dissipation 1.35 mW at 2.5 V/100 kSPS, 4 mW at 5 V/100 kSPS 1.4 u00b5W at 2.5 V/100 SPS Standby current: 1 nA 10-lead packages: MSOP (MSOP-8 size) and 3 mm u00d7 3 mm LFCSP (SOT-23 size) Pin-for-pin compatible with the18-bit AD7690 and 16-bit AD7693, AD7688, and AD7687

Description

18BIT ADC 1.5LSB 250KSPS MSOP10

The AD76911 is an 18-bit, charge redistribution, successive approximation, analog-to-digital converter (ADC) that operates from a single power supply, VDD, between 2.3 V and 5 V. It contains a low power, high speed, 18-bit sampling ADC with no missing codes, an internal conversion clock, and a versatile serial interface port. On the CNV rising edge, it samples the voltage difference between the IN+ and IN− pins. The voltages on these pins swing in opposite phases between 0 V and REF. The reference voltage, REF, is applied externally and can be set up to the supply voltage. The part’s power scales linearly with throughput. The SPI-compatible serial interface also features the ability, using the SDI input, to daisy-chain several ADCs on a single 3-wire bus and provides an optional busy indicator. It is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic, using the separate VIO supply. The AD7691 is housed in a 10-lead MSOP or a 10-lead LFCSP with operation specified from −40°C to +85°C.

Specifications

Resolution (Bits):
18bit
Sampling Rate:
250kSPS
Input Channel Type:
Differential
Data Interface:
SPI
Supply Voltage Type:
Single
Supply Voltage Min:
2.3V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
MSOP
No. of Pins:
10Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
Single 8-Bit SAR ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
Base Number:
7691
IC Case Style:
SOP
Linearity Error:
0.75%
No. of Bits:
18bit
Operating Temperature Range:
-40°C to +85°C
Supply Current:
1nA
Supply Voltage Range:
2.3V to 5.25V
Supply Voltage Range - Analogue:
2.3V to 5.25V
Supply Voltage Range - Digital:
2.3V to 5.55V 1.8V to 5.55V
Termination Type:
Surface Mount Device

Alternate Descriptions

RS Components
ADC Single SAR 250KSPS 18-Bit Serial
Transfer Multisort Elektronik
A/D converter; Channels:1; 18bit; 250ksps; 2.3÷5.25V; MSOP10
Richardson RFPD
CONVERTER - ADC
RS Components UK
ADC Single SAR 250KSPS 18-Bit Serial
RS Components DE
18-Bit-Bit ADC AD7691BRMZ Differentiell Seriell (SPI/QSPI/Microwire), MSOP 10-Pin 1 Montage-Typ : SMD Abtastrate : 250ksps Architektur : SAR Versorgungsspannung einzeln typ. : 2,5 V, 3,3 V, 5 V Eingangssignal-Typ : Differential Integrale Nichtlinearität : ±1.5LSB Abmessungen : 3 x 3 x 0.85mm, Analog Devices
RS Components HK
ADC Single SAR 250KSPS 18-Bit Serial
RS Components JP
ADC Single SAR 250KSPS 18-Bit Serial
RS Components FR
ADC Single SAR 250KSPS 18-Bit Serial
RS Components CN
ADC Single SAR 250KSPS 18-Bit Serial
RS Components ES
ADC Single SAR 250KSPS 18-Bit Serial
RS Components NL
ADC Single SAR 250KSPS 18-Bit Serial
RS Components NO
ADC Single SAR 250KSPS 18-Bit Serial
RS Components US
ADC Single SAR 250KSPS 18-Bit Serial
RS Components SG
ADC Single SAR 250KSPS 18-Bit Serial
RS Components TW
ADC Single SAR 250KSPS 18-Bit Serial