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PDF AD7606 Data sheet ( Hoja de datos )
| Número de pieza | AD7606 | |
| Descripción | 8-/6-/4-Channel DAS | |
| Fabricantes | Analog Devices | |
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Data Sheet
8-/6-/4-Channel DAS with 16-Bit, Bipolar
Input, Simultaneous Sampling ADC
AD7606/AD7606-6/AD7606-4
FEATURES
8/6/4 simultaneously sampled inputs
True bipolar analog input ranges: ±10 V, ±5 V
Single 5 V analog supply and 2.3 V to 5 V VDRIVE
Fully integrated data acquisition solution
Analog input clamp protection
Input buffer with 1 MΩ analog input impedance
Second-order antialiasing analog filter
On-chip accurate reference and reference buffer
16-bit ADC with 200 kSPS on all channels
Oversampling capability with digital filter
Flexible parallel/serial interface
SPI/QSPI™/MICROWIRE™/DSP compatible
Performance
7 kV ESD rating on analog input channels
95.5 dB SNR, −107 dB THD
±0.5 LSB INL, ±0.5 LSB DNL
Low power: 100 mW
Standby mode: 25 mW
64-lead LQFP package
APPLICATIONS
Power-line monitoring and protection systems
Multiphase motor control
Instrumentation and control systems
Multiaxis positioning systems
Data acquisition systems (DAS)
Table 1. High Resolution, Bipolar Input, Simultaneous
Sampling DAS Solutions
Resolution
Single-
Ended
Inputs
True
Differential
Inputs
Number of
Simultaneous
Sampling Channels
18 Bits
AD7608 AD7609
8
16 Bits
AD7606
8
AD7606-6
6
AD7606-4
4
14 Bits
AD7607
8
V1
V1GND
V2
V2GND
V3
V3GND
V4
V4GND
V5
V5GND
V6
V6GND
V7
V7GND
V8
V8GND
CLAMP 1MΩ
CLAMP
1MΩ
1MΩ
CLAMP
CLAMP
1MΩ
1MΩ
CLAMP
CLAMP
1MΩ
1MΩ
CLAMP
CLAMP
1MΩ
CLAMP 1MΩ
CLAMP
1MΩ
1MΩ
CLAMP
CLAMP
1MΩ
1MΩ
CLAMP
CLAMP
1MΩ
1MΩ
CLAMP
CLAMP
1MΩ
FUNCTIONAL BLOCK DIAGRAM
AVCC
AVCC
REGCAP REGCAP REFCAPB REFCAPA
RFB
RFB
SECOND-
ORDER LPF
T/H
RFB
RFB
SECOND-
ORDER LPF
T/H
RFB
RFB
SECOND-
ORDER LPF
T/H
RFB
RFB
SECOND-
ORDER LPF
T/H
RFB
RFB
SECOND-
ORDER LPF
T/H
RFB
RFB
SECOND-
ORDER LPF
T/H
RFB
RFB
SECOND-
ORDER LPF
T/H
RFB
RFB
SECOND-
ORDER LPF
T/H
2.5V
LDO
2.5V
LDO
2.5V
REF
8:1
MUX
16-BIT
SAR
SERIAL
DIGITAL
FILTER
PARALLEL/
SERIAL
INTERFACE
AD7606
CLK OSC
CONTROL
INPUTS
PARALLEL
AGND
CONVST A CONVST B RESET RANGE
Figure 1.
REFIN/REFOUT
REF SELECT
AGND
OS 2
OS 1
OS 0
DOUTA
DOUTB
RD/SCLK
CS
PAR/SER/BYTE SEL
VDRIVE
DB[15:0]
BUSY
FRSTDATA
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2010–2012 Analog Devices, Inc. All rights reserved.
1 page  
Data Sheet
Parameter
ANALOG INPUT
Input Voltage Ranges
Analog Input Current
Input Capacitance7
Input Impedance
REFERENCE INPUT/OUTPUT
Reference Input Voltage Range
DC Leakage Current
Input Capacitance7
Reference Output Voltage
Reference Temperature Coefficient
LOGIC INPUTS
Input High Voltage (VINH)
Input Low Voltage (VINL)
Input Current (IIN)
Input Capacitance (CIN)7
LOGIC OUTPUTS
Output High Voltage (VOH)
Output Low Voltage (VOL)
Floating-State Leakage Current
Floating-State Output Capacitance7
Output Coding
CONVERSION RATE
Conversion Time
Track-and-Hold Acquisition Time
Throughput Rate
POWER REQUIREMENTS
AVCC
VDRIVE
ITOTAL
Normal Mode (Static)
Normal Mode (Operational)8
Standby Mode
Shutdown Mode
Test Conditions/Comments
RANGE = 1
RANGE = 0
10 V; see Figure 31
5 V; see Figure 31
See the Analog Input section
See the ADC Transfer Function section
REF SELECT = 1
REFIN/REFOUT
ISOURCE = 100 µA
ISINK = 100 µA
Twos complement
All eight channels included; see Table 3
Per channel, all eight channels included
Digital inputs = 0 V or VDRIVE
AD7606
AD7606-6
AD7606-4
fSAMPLE = 200 kSPS
AD7606
AD7606-6
AD7606-4
AD7606/AD7606-6/AD7606-4
Min Typ
5.4
2.5
5
1
2.475
2.5
7.5
2.49/
2.505
±10
0.7 × VDRIVE
5
VDRIVE − 0.2
±1
5
Max Unit
±10 V
±5 V
µA
µA
pF
MΩ
2.525
±1
V
µA
pF
V
ppm/°C
0.3 × VDRIVE
±2
V
V
µA
pF
V
0.2 V
±20 µA
pF
4 µs
1 µs
200 kSPS
4.75 5.25 V
2.3 5.25 V
16 22
14 20
12 17
mA
mA
mA
20 27
18 24
15 21
58
26
mA
mA
mA
mA
µA
Rev. C | Page 5 of 36
5 Page 
Data Sheet
ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 4.
Parameter
AVCC to AGND
VDRIVE to AGND
Analog Input Voltage to AGND1
Digital Input Voltage to AGND
Digital Output Voltage to AGND
REFIN to AGND
Input Current to Any Pin Except Supplies1
Operating Temperature Range
B Version
Storage Temperature Range
Junction Temperature
Pb/SN Temperature, Soldering
Reflow (10 sec to 30 sec)
Pb-Free Temperature, Soldering Reflow
ESD (All Pins Except Analog Inputs)
ESD (Analog Input Pins Only)
Rating
−0.3 V to +7 V
−0.3 V to AVCC + 0.3 V
±16.5 V
−0.3 V to VDRIVE + 0.3 V
−0.3 V to VDRIVE + 0.3 V
−0.3 V to AVCC + 0.3 V
±10 mA
−40°C to +85°C
−65°C to +150°C
150°C
240 (+0)°C
260 (+0)°C
2 kV
7 kV
1 Transient currents of up to 100 mA do not cause SCR latch-up.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
AD7606/AD7606-6/AD7606-4
THERMAL RESISTANCE
θJA is specified for the worst-case conditions, that is, a device
soldered in a circuit board for surface-mount packages. These
specifications apply to a 4-layer board.
Table 5. Thermal Resistance
Package Type
θJA θJC Unit
64-Lead LQFP
45 11 °C/W
ESD CAUTION
Rev. C | Page 11 of 36
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AD7606.PDF ] | |
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