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MFG:ADI D/C:09
Part Number: AD7677
MFG: ADI
D/C: 09
Description: The AD7677 is a 16-bit, 1 MSPS, charge redistribution SAR, fully differential, analog-to-digital converter that oper...
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AD7677
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DataSheet
General Description
AD7677 General Description
The AD7677 is a 16-bit, 1 MSPS, charge redistribution SAR, fully differential, 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, error correction circuits, and both serial and parallel system interface ports.
The AD7677 is hardware factory calibrated and comprehen-sively tested to ensure such ac parameters as signal-to-noise ratio (SNR) and total harmonic distortion (THD), in addition to the more traditional dc parameters of gain, offset, and linearity.
It features a very high sampling rate mode (Warp) and, for asynchronous conversion rate applications, a fast mode (Normal) and, for low power applications, a reduced power mode (Im pulse) where the power is scaled with the throughput.
It is available in a 48-lead LQFP with operation specified from40°C to +85°C.
AD7677 Maximum Ratings
Analog Inputs IN+2, IN2, REF, REFGND . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .AVDD + 0.3 V to AGND 0.3 V
Ground Voltage Differences
AGND, DGND, OGND . . . . . . . . . . . . . . . . . . . ..... .±0.3 V
SupplyVoltages
AVDD,DVDD, OVDD . . . . . . . . . . . . . . . . . . . . . . ..... . .7 V
AVDD to DVDD,AVDD to OVDD . . . . . . . . . . ....... . . .±7 V
DVDD to OVDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±7 V
Digital Inputs . . . . . . . . . . . . . .. .0.3 V to DVDD + 0.3 V
InternalPowerDissipation3 . . . . . . . . . . . . . . . . . 700 mW
Junction Temperature . . . . . . . . . . . . . . . . .. . . . . .150°C
Storage Temperature Range . . . . . . . 65°C to +150°C
Lead Temperature Range
(Soldering10sec) . . . . . . . . . . . . . . . . . . . . . . . . . . .300°C
. . . . . . . . . . . . . . . . . . . .AVDD + 0.3 V to AGND 0.3 V
Ground Voltage Differences
AGND, DGND, OGND . . . . . . . . . . . . . . . . . . . ..... .±0.3 V
SupplyVoltages
AVDD,DVDD, OVDD . . . . . . . . . . . . . . . . . . . . . . ..... . .7 V
AVDD to DVDD,AVDD to OVDD . . . . . . . . . . ....... . . .±7 V
DVDD to OVDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±7 V
Digital Inputs . . . . . . . . . . . . . .. .0.3 V to DVDD + 0.3 V
InternalPowerDissipation3 . . . . . . . . . . . . . . . . . 700 mW
Junction Temperature . . . . . . . . . . . . . . . . .. . . . . .150°C
Storage Temperature Range . . . . . . . 65°C to +150°C
Lead Temperature Range
(Soldering10sec) . . . . . . . . . . . . . . . . . . . . . . . . . . .300°C
AD7677 Features
Throughput: 1 MSPS
INL: ±1 LSB Max (±0.0015% of Full-Scale)
16 Bits Resolution with No Missing Codes
S/(N+D): 94 dB Typ @ 45 kHz
THD: 110 dB Typ @ 45 kHz
Differential Input Range: ±2.5 V
Both AC and DC Specifications
No Pipeline Delay
Parallel (8/16 Bits) and Serial 5 V/3 V Interface
Single 5 V Supply Operation
115 mW Typical Power Dissipation, 15 W @ 100 SPS
Power-Down Mode: 7 W Max
Package: 48-Lead Quad Flat Pack (LQFP)
Pin-to-Pin Compatible Upgrade of the AD7664/AD7675/ AD7676
INL: ±1 LSB Max (±0.0015% of Full-Scale)
16 Bits Resolution with No Missing Codes
S/(N+D): 94 dB Typ @ 45 kHz
THD: 110 dB Typ @ 45 kHz
Differential Input Range: ±2.5 V
Both AC and DC Specifications
No Pipeline Delay
Parallel (8/16 Bits) and Serial 5 V/3 V Interface
Single 5 V Supply Operation
115 mW Typical Power Dissipation, 15 W @ 100 SPS
Power-Down Mode: 7 W Max
Package: 48-Lead Quad Flat Pack (LQFP)
Pin-to-Pin Compatible Upgrade of the AD7664/AD7675/ AD7676
AD7677 Typical Application
-CT Scanners
-Data Acquisition
-Instrumentation
-Spectrum Analysis
-Medical Instruments
-Battery-Powered Systems
-Process Control
-Data Acquisition
-Instrumentation
-Spectrum Analysis
-Medical Instruments
-Battery-Powered Systems
-Process Control
AD7677 Connection Diagram
AD7677
PDF/DataSheet Download
- Datasheet: AD7677
- File Size: 1892790 KB
- Manufacturer: AD
- Click here to Download
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