AD7706BRZ Analog Devices Inc, AD7706BRZ Datasheet - Page 14
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AD7706BRZ
Manufacturer Part Number
AD7706BRZ
Description
IC,Data Acquisition Signal Conditioner,3-CHANNEL,16-BIT,CMOS,SOP,16PIN,PLASTIC
Manufacturer
Analog Devices Inc
Datasheet
1.AD7705BRUZ.pdf
(44 pages)
Specifications of AD7706BRZ
Number Of Bits
16
Sampling Rate (per Second)
500
Data Interface
DSP, MICROWIRE™, QSPI™, Serial, SPI™
Number Of Converters
1
Power Dissipation (max)
1mW
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.300", 7.50mm Width)
Number Of Elements
1
Resolution
16Bit
Architecture
Delta-Sigma
Sample Rate
0.5KSPS
Input Polarity
Unipolar/Bipolar
Input Type
Voltage
Differential Input
Yes
Power Supply Requirement
Single
Single Supply Voltage (typ)
3/5V
Single Supply Voltage (min)
2.7V
Single Supply Voltage (max)
5.25V
Dual Supply Voltage (typ)
Not RequiredV
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Power Dissipation
1mW
Integral Nonlinearity Error
±0.003%FSR
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
16
Package Type
SOIC W
Input Signal Type
Pseudo-Differential
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
EVAL-AD7706EBZ - BOARD EVALUATION FOR AD7706
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD7706BRZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
AD7706BRZ-REEL
Manufacturer:
TI/NSC
Quantity:
8 720
Part Number:
AD7706BRZ-REEL
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD7705/AD7706
TYPICAL PERFORMANCE CHARACTERISTICS
32771
32770
32769
32768
32767
32766
32765
32764
32763
1.2
1.0
0.8
0.6
0.4
0.2
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
Figure 5. Noise @ Gain = +128 With 50 Hz Update Rate
0.4
0
1
BUFFERED MODE
f
CLKDIV = 1
UNBUFFERED MODE
f
CLKDIV = 0
V
EXTERNAL MCLK
CLKDIS = 1
T
V
V
GAIN = +128
50Hz UPDATE RATE
CLK
CLK
Figure 7. I
DD
A
DD
REF
V
T
0.6
100
= 25°C
DD
A
Figure 6. I
= 5MHz,
= 1MHz,
= 3V
= 5V
UNBUFFERED MODE, GAIN = +1
= 25°C
= 2.5V
2
= 3V
BUFFERED MODE, GAIN = +1
0.8
200
DD
1.0
vs. Gain and Clock Frequency @ 3 V
300
DD
4
vs. MCLK IN Frequency @ 3 V
BUFFERED MODE, GAIN = +128
1.2
READING NUMBER
FREQUENCY (MHz)
400
UNBUFFERED MODE, GAIN = +128
8
1.4
T
RMS NOISE = 600nV
A
GAIN
500
= 25°C
BUFFERED MODE
f
CLK
1.6
UNBUFFERED MODE
f
CLK
16
BUFFERED MODE
f
600
UNBUFFERED MODE
f
= 2.4576MHz, CLKDIV = 0
CLK
CLK
= 2.84MHz, CLKDIV = 0
1.8
= 1MHz, CLKDIV = 0
= 5MHz, CLKDIV = 1
700
32
2.0
800
2.2
64
900 1000
2.4
128
2.6
Rev. C | Page 14 of 44
400
300
200
100
1.2
1.0
0.8
0.6
0.4
0.2
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0
0.4
1
UNBUFFERED MODE
f
CLKDIV = 0
BUFFERED MODE
f
CLKDIV = 1
CLK
32764
BUFFERED MODE, GAIN = +1
Figure 10. I
CLK
V
EXTERNAL MCLK
CLKDIS = 1
T
A
DD
V
T
0.6
UNBUFFERED MODE, GAIN = +1
DD
A
= 1MHz,
= 25°C
Figure 9. I
= 5MHz,
= 5V
Figure 8. Histogram of Data in Figure 5
= +25°C
2
= 5V
0.8
32765
BUFFERED MODE, GAIN = +128
DD
1.0
vs. Gain and Clock Frequency @ 5 V
DD
4
32766
vs. MCLK IN Frequency @ 5 V
1.2
FREQUENCY (MHz)
UNBUFFERED MODE, GAIN = +128
8
1.4
32767
CODE
GAIN
UNBUFFERED MODE
f
CLK
BUFFERED MODE
f
CLK
1.6
= 2.4576MHz, CLKDIV = 0
16
BUFFERED MODE
f
= 2.4576MHz, CLKDIV = 0
UNBUFFERED MODE
f
CLK
CLK
32768
1.8
= 1MHz, CLKDIV = 0
= 5MHz, CLKDIV = 1
32
2.0
32769
2.2
64
32770
2.4
128
2.6