参数资料
型号: EVAL-AD7612CBZ
厂商: Analog Devices Inc
文件页数: 11/32页
文件大小: 0K
描述: BOARD EVALUATION FOR AD7612
标准包装: 1
系列: PulSAR®
ADC 的数量: 1
位数: 16
采样率(每秒): 750k
数据接口: 串行,并联
输入范围: ±5 V,±10 V
在以下条件下的电源(标准): 205mW @ 750kSPS
工作温度: -40°C ~ 85°C
已用 IC / 零件: AD7612
已供物品:
相关产品: AD7612BSTZ-RL-ND - IC ADC 16BIT 750KSPS SAR 48-LQFP
AD7612BCPZ-RL-ND - IC ADC 16BIT 750KSPS SAR 48LFCSP
AD7612BSTZ-ND - IC ADC 16BIT 750KSPS SAR 48-LQFP
AD7612BCPZ-ND - IC ADC 16BIT 750KSPS SAR 48LFCSP
Data Sheet
AD7612
Rev. A | Page 19 of 32
TYPICAL CONNECTION DIAGRAM
Figure 27 shows a typical connection diagram for the AD7612 using the internal reference, serial data interface, and serial configuration
port. Different circuitry from that shown in Figure 27 is optional and is discussed in the following sections.
RD
CS
100nF
AVDD
10F
100nF
AGND
DGND
DVDD
OVDD
OGND
CNVST
BUSY
SDOUT
SDCLK
RESET
PD
REFBUFIN
D
CLOCK
AD7612
MICROCONVERTER/
MICROPROCESSOR/
DSP
DIGITAL
INTERFACE
SUPPLY
(2.5V, 3.3V, or 5V)
ANALOG
SUPPLY (5V)
OVDD
DIGITAL
SUPPLY (5V)
IN+
IN–
NOTE 5
ANALOG
INPUT +
CC
2.7nF
U1
NOTE 1
SER/PAR
OB/2C
REFGND
REF
PDBUF
PDREF
100nF
NOTE 3
NOTE 4
NOTE 3
NOTE 7
10F
CREF
22F
NOTES
1. SEE ANALOG INPUT SECTION. ANALOG INPUT(–) IS REFERENCED TO AGND ±0.1V.
2. THE AD8021 IS RECOMMENDED. SEE DRIVER AMPLIFIER CHOICE SECTION.
3. THE CONFIGURATION SHOWN IS USING THE INTERNAL REFERENCE. SEE VOLTAGE REFERENCE INPUT SECTION.
4. A 22F CERAMIC CAPACITOR (X5R, 1206 SIZE) IS RECOMMENDED (FOR EXAMPLE, PANASONIC ECJ4YB1A226M).
SEE VOLTAGE REFERENCE INPUT SECTION.
5. OPTION, SEE POWER SUPPLY SECTION.
6. THE VCC AND VEE SUPPLIES SHOULD BE VCC = [VIN(MAX) +2V] and VEE = [VIN(MIN) –2V] FOR BIPOLAR INPUT RANGES.
FOR UNIPOLAR INPUT RANGES, VEE CAN BE 0V. SEE POWER SUPPLY SECTION.
7. OPTIONAL LOW JITTER CNVST, SEE CONVERSION CONTROL SECTION.
ANALOG
INPUT–
NOTE 2
VCC
VEE
10F
100nF
+7V TO +15.75V
SUPPLY
10F
100nF
–7V TO –15.75V
SUPPLY
NOTE 6
HW/SW
SCCS
SCCLK
SCIN
BIPOLAR
TEN
SERIAL
PORT 1
SERIAL
PORT 2
WARP
IMPULSE
0626
5-
02
7
Figure 27. Typical Connection Diagram Shown with Serial Interface and Serial Programmable Port
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