REF 1 VDD
參數(shù)資料
型號(hào)： EVAL-AD7693CBZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 22/24頁(yè)
文件大小： 0K
描述： BOARD EVALUATION FOR AD7693
標(biāo)準(zhǔn)包裝： 1
系列： PulSAR®
ADC 的數(shù)量： 1
位數(shù)： 16
采樣率（每秒）： 500k
數(shù)據(jù)接口： 串行
輸入范圍： ±VREF
在以下條件下的電源（標(biāo)準(zhǔn)）： 18mW @ 500kSPS
工作溫度： -40°C ~ 85°C
已用 IC / 零件： AD7693
已供物品： 板
相關(guān)產(chǎn)品： AD7693BRMZRL7-ND - IC ADC 16BIT 500KSPS 10-MSOP
AD7693BCPZRL7TR-ND - IC ADC 16BIT 500KSPS 10-LFCSP
AD7693BRMZ-ND - IC ADC 16BIT 500KSPS 10-MSOP
AD7693BCPZRL-ND - IC ADC 16BIT 500KSPS 10LFCSP
AD7693
Rev. A | Page 7 of 24
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
REF 1
VDD 2
IN+ 3
IN– 4
GND 5
VIO
10
SDI
9
SCK
8
SDO
7
CNV
6
AD7693
TOP VIEW
(Not to Scale)
06
39
4-
00
5
Figure 5. 10-Lead MSOP Pin Configuration
1
REF
2
VDD
3
IN+
4
IN–
5
GND
NOTES
1. THE EXPOSED PAD IS CONNECTED
TO GND. THIS CONNECTION IS NOT
REQUIRED TO MEET THE ELECTRICAL
PERFORMANCES.
10 VIO
9SDI
8SCK
7SDO
6CNV
TOP VIEW
(Not to Scale)
AD7693
05
793-
006
Figure 6. 10-Lead QFN (LFCSP) Pin Configuration
Table 6. Pin Function Descriptions
Pin No.
Mnemonic
Type1
Description
1
REF
AI
Reference Input Voltage. The REF range is from 0.5 V to VDD. It is referred to the GND pin. This
pin should be decoupled closely to the pin with a 10 μF capacitor.
2
VDD
P
Power Supply.
3
IN+
AI
Differential Positive Analog Input.
4
IN
AI
Differential Negative Analog Input.
5
GND
P
Power Supply Ground.
6
CNV
DI
Convert Input. This input has multiple functions. On its leading edge, it initiates the conversions
and selects the interface mode of the part: chain or CS mode. In chain mode, the data should be
read when CNV is high. In CS mode, the SDO pin is enabled when CNV is low.
7
SDO
DO
Serial Data Output. The conversion result is output on this pin. It is synchronized to SCK.
8
SCK
DI
Serial Data Clock Input. When the part is selected, the conversion result is shifted out by this
clock.
9
SDI
DI
Serial Data Input. This input provides multiple features. It selects the interface mode of the ADC
as follows:
Chain mode is selected if SDI is low during the CNV rising edge. In this mode, SDI is used as a
data input to daisy-chain the conversion results of two or more ADCs onto a single SDO line.
The digital data level on SDI is output on SDO with a delay of 16 SCK cycles.
CS mode is selected if SDI is high during the CNV rising edge. In this mode, either SDI or CNV
can enable the serial output signals when low and if SDI or CNV is low when the conversion is
complete, the busy indicator feature is enabled.
10
VIO
P
Input/Output Interface Digital Power. Nominally at the same supply as the host interface (1.8 V,
2.5 V, 3 V, or 5 V).
EPAD
Exposed Pad. The exposed pad is connected to GND. This connection is not required to meet
the electrical performances. The exposed pad is only on the 10-Lead QFN (LFCSP).
1AI = analog input, DI = digital input, DO = digital output, and P = power.
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