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| 型號： | EVAL-AD7658CBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 3/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD7658 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | iCMOS® |
| ADC 的數(shù)量： | 6 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 250k |
| 數(shù)據(jù)接口： | 串行，并聯(lián) |
| 輸入范圍： | 6 Vpp |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 143mW @ 250kSPS |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7658 |
| 已供物品： | 板 |
| 相關(guān)產(chǎn)品： | AD7658YSTZ-1-RL-ND - IC ADC 12BIT 6CH 250KSPS 64LQFP AD7658YSTZ-1-ND - IC ADC 12BIT 6CH 250KSPS 64LQFP AD7658BSTZ-1-RL-ND - IC ADC 12BIT 6CH 250KSPS 64LQFP AD7658BSTZ-1-ND - IC ADC 12BIT 6CH 250KSPS 64LQFP AD7658YSTZ-REEL-ND - IC ADC 12BIT 6CH 250KSPS 64LQFP AD7658YSTZ-ND - IC ADC 12BIT 6CH 250KSPS 64-LQFP AD7658BSTZ-ND - IC ADC 12BIT 6CH 250KSPS 64LQFP AD7658BSTZ-REEL-ND - IC ADC 12BIT 6CH 250KSPS 64-LQFP |
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Data Sheet
AD7656/AD7657/AD7658
Rev. D | Page 11 of 32
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
64
DB15
63
W
R/
RE
F
E
N/
DI
S
62
H
/S
SE
L
61
SER
/P
AR/
S
E
L
60
A
V
CC
59
AG
ND
58
RE
F
CAP
C
57
AG
ND
56
RE
F
CAP
B
55
AG
ND
54
RE
F
CA
P
A
53
AG
ND
52
AG
ND
51
R
E
FIN
/R
E
FOU
T
50
A
V
CC
49
AG
ND
47
AVCC
46
AVCC
V5
42
V4
43
AGND
44
AGND
48
V6
41
AVCC
40
AVCC
39
V3
37
AGND
36
V2
35
AVCC
34
AVCC
33
V1
38
AGND
2
DB13
3
DB12
4
DB11
7
DB8/DOUT A
6
DB9/DOUT B
5
DB10/DOUT C
1
DB14/REFBUFEN/DIS
8
DGND
9
VDRIVE
10
DB7/HBEN/DCEN
12
DB5/DCIN A
13
DB4/DCIN B
14
DB3/DCIN C
15
DB2/SEL C
16
DB1/SEL B
11
DB6/SCLK
17
DB0/
S
E
L
A
18
BUS
Y
19
CS
20
RD
21
CO
NV
S
T
C
22
CO
NV
S
T
B
23
CO
NV
S
T
A
24
ST
B
Y
25
DG
ND
26
DV
CC
27
RANG
E
28
R
ESET
29
W/B
30
V
SS
31
V
DD
32
AG
ND
PIN 1
AD7656/AD7657/AD7658
TOP VIEW
(Not to Scale)
05020-
003
Figure 3. Pin Configuration
Table 7. Pin Function Descriptions
Pin No.
Mnemonic
Description
54, 56, 58
REFCAPA, REFCAPB,
REFCAPC
Decoupling capacitors are connected to these pins. This decouples the reference buffer for each
ADC pair. Each REFCAP pin should be decoupled to AGND using 10 F and 100 nF capacitors.
33, 36, 39,
42, 45, 48
V1 to V6
Analog Input 1 to 6. These are six single-ended analog inputs. In hardware mode, the analog input
range on these channels is determined by the RANGE pin. In software mode, it is determined by
Bit RNGC to Bit RNGA of the control register (see Table 10).
32, 37, 38, 43,
44, 49, 52, 53,
55, 57, 59
AGND
Analog Ground. Ground reference point for all analog circuitry on the AD7656/AD7657/AD7658.
All analog input signals and any external reference signal should be referred to this AGND voltage.
All 11 of these AGND pins should be connected to the AGND plane of a system. The AGND and
DGND voltages should ideally be at the same potential and must not be more than 0.3 V apart,
even on a transient basis.
26
DVCC
Digital Power, 4.75 V to 5.25 V. The DVCC and AVCC voltages should ideally be at the same potential
and must not be more than 0.3 V apart, even on a transient basis. This supply should be decoupled
to DGND, and 10 F and 100 nF decoupling capacitors should be placed on the DVCC pin.
9
VDRIVE
Logic Power Supply Input. The voltage supplied at this pin determines the operating voltage of
the interface. Nominally at the same supply as the supply of the host interface. This pin should be
decoupled to DGND, and 10 F and 100 nF decoupling capacitors should be placed on the VDRIVE pin.
8, 25
DGND
Digital Ground. This is the ground reference point for all digital circuitry on the AD7656/AD7657/AD7658.
Both DGND pins should connect to the DGND plane of a system. The DGND and AGND voltages should
ideally be at the same potential and must not be more than 0.3 V apart, even on a transient basis.
34, 35, 40,
41, 46, 47,
50, 60
AVCC
Analog Supply Voltage, 4.75 V to 5.25 V. This is the supply voltage for the ADC cores. The AVCC and
DVCC voltages should ideally be at the same potential and must not be more than 0.3 V apart, even
on a transient basis. These supply pins should be decoupled to AGND, and 10 F and 100 nF
decoupling capacitors should be placed on the AVCC pins.
23, 22, 21
CONVST A,
CONVST B, CONVST C
Conversion Start Input A, B, C. These logic inputs are used to initiate conversions on the ADC pairs.
CONVST A is used to initiate simultaneous conversions on V1 and V2. CONVST B is used to initiate
simultaneous conversions on V3 and V4. CONVST C is used to initiate simultaneous conversions on
V5 and V6. When CONVSTx switches from low to high, the track-and-hold switch on the selected
ADC pair switches from track to hold and the conversion is initiated. These inputs can also be used
to place the ADC pairs into partial power-down mode.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7660CB | 制造商:AD 制造商全稱:Analog Devices 功能描述:Evaluation Board AD766X/AD767X |
| EVAL-AD7660CBZ | 功能描述:BOARD EVALUATION FOR AD7660 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:PulSAR® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7660EDZ | 功能描述:BOARD EVAL FOR AD7660 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:* 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7661CB | 制造商:Analog Devices 功能描述: |
| EVAL-AD7661CBZ | 功能描述:BOARD EVALUATION FOR AD7661 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:PulSAR® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
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