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參數資料
| 型號： | AD7853L* |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Single Supply V.35 Transceiver; Package: SO; No of Pins: 28; Temperature Range: -40°C to +85°C |
| 中文描述： | 3 V至5 V單電源。 200 kSPS的12位采樣ADC |
| 文件頁數： | 5/34頁 |
| 文件大?。?/td> | 350K |
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REV. B
–5–
AD7853/AD7853L
TYPICAL TIMING DIAGRAMS
Figures 2 and 3 show typical read and write timing diagrams.
Figure 2 shows the reading and writing after conversion in In-
terface Modes 2 and 3. To attain the maximum sample rate of
100 kHz (AD7853L) or 200 kHz (AD7853) in Interface Modes
2 and 3, reading and writing must be performed during conver-
sion. Figure 3 shows the timing diagram for Interface Modes 4
and 5 with sample rate of 100 kHz (AD7853L) or 200 kHz
(AD7853). At least 400 ns acquisition time must be allowed
(the time from the falling edge of BUSY to the next rising edge
of
CONVST
) before the next conversion begins to ensure that
the part is settled to the 12-bit level. If the user does not want to
provide the
CONVST
signal, the conversion can be initiated in
software by writing to the control register.
TO OUTPUT
PIN
+2.1V
I
OH
1.6mA
200
m
A
I
OL
C
L
100pF
Figure 1. Load Circuit for Digital Output Timing
Specifications
POLARITY PIN LOGIC HIGH
SYNC
(I/P)
SCLK (I/P)
t
3
BUSY (O/P)
CONVST
(I/P)
t
2
t
1
t
5
t
11
t
6
t
9
t
10
1
5
6
16
t
12
t
6
DOUT (O/P)
DB0
DB11
t
8
DB15
DB0
THREE-
STATE
DB11
THREE-
STATE
DB15
t
CONVERT
t
7
t
CONVERT
= 4.6
m
s MAX, 10
m
s FOR L VERSION
t
1
= 100 ns MIN,
t
5
= 50/90 ns MAX 5V/3V,
t
7
= 40/60 ns MIN 5V/3V
Figure 2. AD7853/AD7853L Timing Diagram (Typical Read and Write Operation for Interface Modes 2, 3)
POLARITY PIN LOGIC HIGH
SYNC
(O/P)
DOUT (O/P)
SCLK (O/P)
DB0
DB11
t
4
t
8
DIN (I/P)
DB15
DB0
THREE-
STATE
BUSY (O/P)
CONVST
(I/P)
DB11
t
2
t
1
t
7
t
11
t
6
t
9
t
10
THREE-
STATE
1
5
6
16
t
12
t
5
DB15
t
CONVERT
t
CONVERT
= 4.6
m
s MAX, 10
m
s FOR L VERSION
t
1
= 100 ns MIN,
t
5
= 50/90 ns MAX 5V/3V,
t
7
= 40/60 ns MIN 5V/3V
Figure 3. AD7853/AD7853L Timing Diagram (Typical Read and Write Operation for Interface Modes 4, 5)
相關PDF資料 |
PDF描述 |
|---|---|
| AD7853L | 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs(單電源,200kSPS 12位采樣A/D轉換器) |
| AD7853 | 3 V to 5 V Single Supply, 200 KSPS 12-Bit Sampling ADCs(單電源,200kSPS 12位采樣A/D轉換器) |
| AD7853AN | 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
| AD7853AR | 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
| AD7853ARS | 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7853LAN | 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 12-bit Serial 24-Pin PDIP 制造商:Analog Devices 功能描述:ADC SGL SAR 100KSPS 12-BIT SERL 24PDIP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:SELF CAL. SERIAL 12 BIT ADC I.C. - Bulk 制造商:Analog Devices 功能描述:IC 12BIT ADC 7853 DIP24 制造商:Analog Devices 功能描述:3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
| AD7853LANZ | 功能描述:IC ADC 12BIT SRL 200KSPS 24-DIP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率（每秒）:300k 數據接口:并聯 轉換器數目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端，單極；1 個單端，雙極 |
| AD7853LAR | 功能描述:IC ADC 12BIT SRL 200KSPS 24-SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率（每秒）:300k 數據接口:并聯 轉換器數目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端，單極；1 個單端，雙極 |
| AD7853LAR-REEL | 功能描述:IC ADC 12BIT SRL 200KSPS 24-SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 位數:12 采樣率（每秒）:3M 數據接口:- 轉換器數目:- 功率耗散（最大）:- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數目和類型:- |
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