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參數(shù)資料
| 型號(hào)： | AD7892BN-2 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | LC2MOS Single Supply, 12-Bit 600 kSPS ADC |
| 中文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PDIP24 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-24 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大?。?/td> | 144K |
| 代理商： | AD7892BN-2 |
AD7892
–6–
REV. C
PIN FUNCTION DESCRIPTION
Pin
No.
Mnemonic
Description
1
2
V
DD
STANDBY
Positive Supply Voltage, +5 V
±
5%.
Standby Input. Logic Input. With this input at a logic high, the part is in its normal operating
mode; with this input at a logic low, the part is placed in its standby or power-down mode, which
reduces power consumption to 5 mW typical.
Analog Input 2. For the AD7892-1, this input either connects to AGND or to V
IN1
to determine
the analog input voltage range. With V
IN2
connected to AGND on the AD7892-1, the analog input
range at the V
IN1
input is
±
10 V. With V
IN2
connected to V
IN1
on the AD7892-1, the analog input
range to the part is
±
5 V.
For the AD7892-2 and AD7892-3, this input can be left unconnected but must not be connected
to a potential other than AGND.
Analog Input 1. The analog input voltage to be converted by the AD7892 is applied to this input.
For the AD7892-1, the input voltage range is either
±
5 V or
±
10 V depending on where the V
IN2
input is connected. For the AD7892-2, the voltage range on the V
IN1
input is 0 V to +2.5 V with
respect to the voltage appearing at the V
IN2
input. For the AD7892-3, the voltage range on the V
IN1
input is
±
2.5 V.
Voltage Reference Output/Input. The part can be used with either its own internal reference or with
an external reference source. The on-chip +2.5 V reference is provided at this pin. When using this
internal reference as the reference source for the part, REF OUT should be decoupled to AGND
with a 0.1
μ
F disc ceramic capacitor. The output impedance of this reference source is typically
5.5 k
. When using an external reference source as the reference voltage for the part, the reference
source should be connected to this pin. This overdrives the internal reference and provides the
reference source for the part. The REF IN input is buffered on-chip but must be able to sink or
source current through the resistor to the output of the on-chip reference. The nominal reference
voltage for correct operation of the AD7892 is +2.5 V.
Analog Ground. Ground reference for track/hold, comparator and DAC.
Mode. Control input which determines the interface mode for the AD7892. With this pin at a logic
low, the device is in its serial interface mode; with this pin at a logic high, the device is in its parallel
interface mode.
Data Bit 11/Test Pin. When the device is in its parallel mode, this pin is Data Bit 11 (MSB), a
three-state TTL-compatible output. When the device is in its serial mode, this is used as a test pin
which must be tied to a logic low for correct operation of the AD7892.
Data Bit 10/Test Pin. When the device is in its parallel mode, this pin is Data Bit 10, a three-state
TTL-compatible output. When the device is in its serial mode, this is used as a test pin which must
be tied to a logic low for correct operation of the AD7892.
Data Bit 9. Three-state TTL-compatible output. This output should be left unconnected when the
device is in its serial mode.
Data Bit 8. Three-state TTL-compatible output. This output should be left unconnected when the
device is in its serial mode.
Data Bit 7. Three-state TTL-compatible output. This output should be left unconnected when the
device is in its serial mode.
Data Bit 6. Three-state TTL-compatible output. This output should be left unconnected when the
device is in its serial mode.
Digital Ground. Ground reference for digital circuitry.
Data Bit 5/Serial Data. When the device is in its parallel mode, this pin is Data Bit 5, a three-state
TTL-compatible output. When the device is in its serial mode, this becomes the serial data output
line. Sixteen bits of serial data are provided with four leading zeros preceding the 12 bits of valid
data. Serial data is valid on the falling edge of SCLK for sixteen edges after
RFS
goes low. Output
coding is two’s complement for AD7892-1 and AD7892-3 and straight (natural) binary for
AD7892-2.
3
V
IN2
4
V
IN1
5
REF OUT/REF IN
6
7
AGND
MODE
8
DB11/LOW
9
DB10/LOW
10
DB9
11
DB8
12
DB7
13
DB6
14
15
DGND
DB5/SDATA
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7892BN-3 | LC2MOS Single Supply, 12-Bit 600 kSPS ADC |
| AD7892BR-1 | LC2MOS Single Supply, 12-Bit 600 kSPS ADC |
| AD7892BR-2 | LC2MOS Single Supply, 12-Bit 600 kSPS ADC |
| AD7893AN-10 | RECTIFIER SCHOTTKY SINGLE 1A 80V 25A-ifsm 0.8V-vf 0.5mA-ir DO-41 5K/REEL-13 |
| AD7893AN-2 | RECTIFIER SCHOTTKY SINGLE 1A 80V 25A-ifsm 0.8V-vf 0.5mA-ir DO-41 1K/BULK |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7892BN-3 | 制造商:Analog Devices 功能描述:ADC Single SAR 600ksps 12-bit Parallel/Serial 24-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:12-BIT 600 KSPS ADC I.C. - Bulk |
| AD7892BNZ-1 | 功能描述:IC ADC 12BIT LP 500KSPS 24-DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個(gè)單端，單極；2 個(gè)差分，單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| AD7892BNZ-2 | 功能描述:IC ADC 12BIT LP 500KSPS 24DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個(gè)單端，雙極 |
| AD7892BNZ-3 | 功能描述:IC ADC 12BIT LP 600KSPS 24DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個(gè)單端，雙極 |
| AD7892BR-1 | 功能描述:IC ADC 12BIT 5V 500KSPS 24-SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個(gè)單端，雙極 |
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