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AD7366 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 AD7366
기능 2-Channel SAR ADC
제조업체 Analog Devices
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AD7366 데이터시트, 핀배열, 회로
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Preliminary Technical Data
FEATURES
Dual 12-bit, 2-channel ADC
True Bipolar Analog Inputs
Programmable Input Ranges
±10, ±5, 0 to 10 V
Throughput rate: 1 MSPS
Simultaneous conversion with read in less than 1μs
Specified for VCC of 5 V±5%
Low current consumption: 5.65 mA max
Wide input bandwidth
70 dB SNR at 50 kHz input frequency
On-chip reference: 2.5 V
–40°C to +85°C operation
High speed serial interface
SPI®/QSPI™/MICROWIRE™/DSP compatible
iCMOSTM Process Technology
24-lead TSSOP package
For 14 bit version see AD7367
GENERAL DESCRIPTION
The AD73661 is a dual, 12-bit, high speed, low power, successive
approximation ADC that features throughput rates up to 1
MSPS. The device contains two ADCs, each preceded by a 2-
channel multiplexer, and a low noise, wide bandwidth track-
and-hold amplifier that can handle input frequencies in excess
of 10 MHz.
The AD7366 is fabricated on Analog Devices’ Industrial CMOS
process, iCMOS, a technology platform combining the
advantages of low and high voltage CMOS, bipolar and high
voltage DMOS processes. The process allows the AD7366 to
accept high voltage bipolar signals in addition to reducing
power consumption and package size. The AD7366 can accept
true bipolar analog input signals in the ±10 V range, ±5 V range
and 0 to 10 V range.
The AD7366 has an on-chip 2.5 V reference that can be
overdriven if an external reference is preferred. The AD7366 is
available in a 24-lead TSSOP package.
iCMOSTM Process Technology
For analog systems designers within industrial/instrumentation equipment
OEMs who need high performance ICs at higher-voltage levels, iCMOS is a
technology platform that enables the development of analog ICs capable of
30V and operating at +/- 15V supplies while allowing dramatic reductions in
power consumption and package size, and increased AC and DC
performance.
True Bipolar Input, Dual
1μs, 12-Bit, 2-Channel SAR ADC
AD7366
FUNCTIONAL BLOCK DIAGRAM
VDD
DCAPA
AVCC
DVCC
REF
BUF
AD7366
VA1
MUX
12-BIT
T/H SUCCESSIVE
APPROXIMATION
OUTPUT
DRIVERS
ADC
VA2
CONTROL
LOGIC
VB1 12-BIT
MUX
T/H SUCCESSIVE
APPROXIMATION
OUTPUT
DRIVERS
VB2 ADC
BUF
DOUTA
SCLK
CONVST
CS
BUSY
ADDR
RANGE0
RANGE1
REFSEL
VDRIVE
DOUTB
AGND AGND
VSS DCAPB
Figure 1
DGND
Table 1.Related Products
Device
Number
Resolution
Throughput
Rate
Number of
Channels
AD7367
14-Bit
1 MSPS
Dual, 2-ch
AD7366-5 12-Bit
500 KSPS
Dual, 2-ch
AD7367-5 14-Bit
500 KSPS
Dual, 2-ch
1Protected by U.S. Patent No. 6,681,332.
Rev. PrG
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or 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
©2006 Analog Devices, Inc. All rights reserved.




AD7366 pdf, 반도체, 판매, 대치품
AD7366
Preliminary Technical Data
Parameter
REFERENCE INPUT/OUTPUT
Reference Output Voltage4
Reference Input Voltage Range
DC Leakage Current
Input Capacitance
VREFA, VREFB Output Impedance
Reference Temperature
Coefficient
VREF Noise
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN3
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Floating State Leakage Current
Floating State Output
Capacitance3
CONVERSION RATE
Conversion Time
Track/Hold Acquisition Time3
Throughput Rate
POWER REQUIREMENTS
VCC
VDD
VSS
VDRIVE
Normal Mode (Static)
IDD
ISS
ICC
Normal Mode (Operational)
IDD
ISS
ICC
Shut-Down Mode
IDD
ISS
ICC
Power Dissipation
Normal Mode (Operational)
Shut-Down
Shut-Down
1 Temperature range is −40°C to +85°C
2 See Terminology section.
Min Typ Max Unit Test Conditions/ Comments
2.5
+2.5
25
8
10
20
0.7× VDRIVE
5
2.5
3.0
±1
20
0.8
±1
V
V
µA
pF
ppm/°C
±0.2% max @ 25°C
External reference applied to Pin VREFA/Pin VREFB
ppm/°C
µVRMS
V min
V max
µA max
pF typ
VIN = 0 V or VDRIVE
VDRIVE − 0.2
10
0.4
±1
V
V
µA
pF
4.75
+11.5
-16.5
2.7
610 ns
140 ns
Full-scale step input;
1.12 MSPS For 4.75V≤VDRIVE≤5.25V, fSCLK = 48MHz
1
MSPS
For 2.7V≤VDRIVE<4.75V , fSCLK = 35MHz
Digital I/Ps = 0 V or VDRIVE
5.25 V
See Table 6
+16.5 V
See Table 6
-11.5 V
See Table 6
5.25 V
1 µA
1 µA
1.8 mA
925 µA
725 µA
4 mA
VDD = +16.5 V
VSS = −16.5 V
VCC = 5.5 V
fs = 1.12 MSPS
VDD = +16.5 V
VSS = −16.5 V
VCC = 5.25 V, internal reference enabled
1 µA VDD = +16.5 V
1 µA VSS = −16.5 V
1 µA VCC = 5.25 V
48.23
15
38.25
mW
µW
µW
VDD = +16.5V, VSS = −16.5V, VCC = 5.25V
VDD = +5V, VSS = −5V, VCC = 5V
VDD = +16.5V, VSS = −16.5V, VCC = 5.25
Rev. PrG | Page 4 of 17

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AD7366 전자부품, 판매, 대치품
Preliminary Technical Data
ABSOLUTE MAXIMUM RATINGS
Table 4
Parameter
Rating
VDD to AGND, DGND
VSS to AGND, DGND
VDRIVE to DGND
VDD to AVcc
AVCC to AGND, DGND
DVCC to AVCC
DVCC to DGND
VDRIVE to AGND
AGND to DGND
Analog Input Voltage to AGND
Digital Input Voltage to DGND
Digital Output Voltage to GND
VREFA, VREFB input to AGND
Input Current to Any Pin
Except Supplies1
Operating Temperature Range
−0.3 V to +16.5 V
−0.3 V to +16.5 V
−0.3 V to DVDD
Vcc – 0.3V to +16.5V
-0.3V to +7V
-0.3 V to + 0.3V
-0.3 V to + 7V
−0.3 V to DVCC
−0.3 V to +0.3 V
VSS −0.3 V to VDD + 0.3 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
Storage Temperature Range
Junction Temperature
TSSOP Package
θJA Thermal Impedance
θJC Thermal Impedance
Pb-free Temperature, Soldering
−65°C to +150°C
150°C
128°C/W
42°C/W
Reflow
260(+0)°C
ESD TBD kV
1 Transient currents of up to 100 mA will not cause latch up.
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on
the human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
AD7366
Rev. PrG | Page 7 of 17

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