AD7661 Datasheet – 16-Bit, 100 kSPS, Unipolar ADC

Part Number : AD7661

Function : 16-Bit, 100 kSPS, PulSAR Unipolar ADC with Reference

Package : 48-lead LQFP and 48-lead LFCSP Type

Manufacturers : Analog Devices

Pinouts :

AD7661 datasheet


Description :

The AD7661 is a 16-bit, 100 kSPS, charge redistribution SAR analog-to-digital converter that operates from a single 5 V power supply. The part contains a high speed 16-bit sampling ADC, an internal conversion clock, internal reference, error correction circuits, and both serial and parallel system interface ports.

The AD7661 is hardware factory-calibrated and comprehensively tested to ensure ac parameters such as signal to-noise ratio (SNR) and total harmonic distortion (THD), in addition to the more traditional dc parameters of gain, offset, and linearity.

The AD7661 is available in a 48-lead LQFP and a tiny 48-lead LFCSP with operation specified from –40°C to +85°C.


– 2.5 V internal reference: typical drift 3 ppm/°C
– Guaranteed max drift 15 ppm/°C
– Throughput: 100 kSPS
– INL: ±2.5 LSB max (±0.0038% of full scale)
– 16-bit resolution with no missing codes
S/(N+D): 88 dB min @ 20 kHz
THD: –96 dB max @ 20 kHz
– Analog input voltage range: 0 V to 2.5 V
– Both AC and DC specifications
– No pipeline delay
– Single 5 V supply operation
– Power dissipation
16 mW typ, 160 µW @ 1 kSPS without REF
40 mW typ with REF
– Pin-to-pin compatible with PulSAR ADCs


– Data acquisition
– Medical instruments
– Digital signal processing
– Spectrum analysis
– Instrumentation
– Battery-powered systems
– Process control

Other data sheets within the file :


AD7661 Datasheet PDF Download

AD7661 pdf