AD10265 Analog Devices, AD10265 Datasheet

AD10265

Manufacturer Part Number

AD10265

Description

Dual Channel, 12-Bit, 65 MSPS A/D Converter With Ac-coupled Analog Input Signal Conditioning (AD6640 Core ADC)

Manufacturer

Analog Devices

Datasheet

1.AD10265.pdf (24 pages)

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PRODUCT DESCRIPTION

The AD10265 is a full channel ADC solution with on-module

signal conditioning for improved dynamic performance and

fully matched channel-to-channel performance. The module

includes two wide dynamic range AD6640 ADCs. Each AD6640

has an AD9631/AD9632 ac-coupled amplifier front end. The

AD6640s have on-chip track-and-hold circuitry, and utilize an

innovative multipass architecture, to achieve 12-bit, 65 MSPS

(LSB) D0A

D1A

D2A

D3A

D4A

D5A

D7A

D8A

D6A

ENCODEA

TIMING

ENCODEA

AD9632

Dual Channel, 12-Bit, 65 MSPS A/D Converter

OUTPUT BUFFERING

D9A

AIN

FUNCTIONAL BLOCK DIAGRAM

AD6640

D10A D11A

AIN

(MSB)

with Analog Input Signal Conditioning

AD9631

AD10265

(LSB)

D0B

performance. The AD10265 uses innovative high-density

circuit design and laser-trimmed thin-film resistor networks to

achieve exceptional matching and performance while still main-

taining excellent isolation, and providing for significant board

area savings.

The AD10265 operates with ± 5.0 V for the analog signal

conditioning with a separate +3.3 V supply for the analog-to-

digital conversion. Each channel is completely independent

allowing operation with independent Encode and Analog

inputs. The AD10265 also offers the user a choice of Analog

Input Signal ranges to further minimize additional external

signal conditioning, while still remaining general-purpose.

The AD10265 is packaged in a 68-lead ceramic gull wing pack-

age, footprint compatible with the earlier generation AD10242

(12-bit, 40 MSPS). Manufacturing is done on Analog Devices’

MIL-38534 Qualified Manufacturers Line (QML) and com-

ponents are available up to Class-T (–25°C to +125°C). The

AD6640 internal components are manufactured on Analog

Devices’ high-speed complementary bipolar process (XFCB).

PRODUCT HIGHLIGHTS

1. Guaranteed sample rate of 65 MSPS.

2. Input amplitude options, user configurable.

3. Input signal conditioning included; both channels matched

4. Fully tested/characterized performance for full channel.

5. Footprint compatible family; 68-lead LCCC.

D1B

for gain.

D2B

AD9632

OUTPUT BUFFERING

D3B

AIN

AD6640

D4B

AIN

D5B

D6B

AD9631

TIMING

AD10265

D8B

ENCODEB

D11B (MSB)

D10B

D9B

D7B

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