參數資料
型號: AD7999ARJZ-1RL
廠商: Analog Devices Inc
文件頁數: 27/28頁
文件大小: 0K
描述: IC ADC 8BIT 4CHAN I2C SOT23-8
產品變化通告: AD7991,5,9 Offset Error Change 17/Sept/2010
設計資源: Using AD8599 as an Ultralow Distortion Driver for the AD7999 (CN0045)
標準包裝: 1
位數: 8
采樣率(每秒): 1M
數據接口: I²C,串行
轉換器數目: 1
功率耗散(最大): 4.68mW
電壓電源: 單電源
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: SOT-23-8
供應商設備封裝: SOT-23-8
包裝: 標準包裝
輸入數目和類型: 4 個單端,單極
其它名稱: AD7999ARJZ-1RLDKR
AD7991/AD7995/AD7999
Rev. B | Page 8 of 28
A Version2
Y Version
Parameter
Min
Typ
Max
Min
Typ
Max
Unit
Test Conditions/Comments
LOGIC INPUTS (SDA, SCL)
Input High Voltage, VINH
0.7 (VDD)
V
VDD = 2.7 V to 5.5 V
0.9 (VDD)
V
VDD = 2.35 V to 2.7 V
Input Low Voltage, VINL
0.3 (VDD)
V
VDD = 2.7 V to 5.5 V
0.1 (VDD)
V
VDD = 2.35 V to 2.7 V
Input Leakage Current, IIN
±1
μA
VIN = 0 V or VDD
Input Capacitance, CIN7
10
pF
Input Hysteresis, VHYST
0.1 (VDD)
V
LOGIC OUTPUTS (OPEN
DRAIN)
Output Low Voltage, VOL
0.4
V
ISINK = 3 mA
0.6
V
ISINK = 6 mA
Floating-State Leakage
Current
±1
μA
Floating-State Output
10
pF
Output Coding
Straight (natural) binary
THROUGHPUT RATE
18×(1/fSCL)
fSCL ≤ 1.7 MHz; see the
17.5×(1/fSCL)
+ 2 μs
17.5×(1/fSCL)
+ 2 μs
fSCL > 1.7 MHz; see the
POWER REQUIREMENTS3
VREF = VDD; for fSCL = 3.4 MHz,
clock stretching is implemented
VDD
2.7
5.5
2.7
5.5
V
IDD
Digital inputs = 0 V or VDD
0.09/0.25
mA
VDD = 3.3 V/5.5 V, 400 kHz fSCL
ADC Operating,
Interface Active
(Fully Operational)
0.25
0.25/0.8
mA
VDD = 3.3 V/5.5 V, 3.4 MHz fSCL
0.07/0.16
mA
VDD = 3.3 V/5.5 V, 400 kHz fSCL
Power-Down,
Interface Active8
0.26
0.26/0.85
mA
VDD = 3.3 V/5.5 V, 3.4 MHz fSCL
Power-Down ,
Interface Inactive8
1
1/1.6
μA
VDD = 3.3 V/5.5 V
Power Dissipation
ADC Operating,
Interface Active
(Fully Operational)
0.83
0.3/1.38
0.83/4.4
mW
VDD = 3.3 V/5.5 V, 400 kHz fSCL
VDD = 3.3 V/5.5 V, 3.4 MHz fSCL
0.24/0.88
mW
VDD = 3.3 V/5.5 V, 400 kHz fSCL
Power-Down,
Interface Active8
0.86
0.86/4.68
mW
VDD = 3.3 V/5.5 V, 3.4 MHz fSCL
Power-Down ,
Interface Inactive8
3.3
3.3/8.8
μW
VDD = 3.3 V/5.5 V
1 Functional from VDD = 2.35 V.
2 A Version tested at VDD=3.3 V and fSCL= 3.4 MHz. Functionality tested at fSCL = 400 kHz.
3 Sample delay and bit trial delay enabled, t1 = t2 = 0.5/fSCL.
4 For fSCL up to 400 kHz, clock stretching is not implemented. Above fSCL = 400 kHz, clock stretching is implemented.
5 See the Terminology section.
6 For fSCL ≤ 1.7 MHz, clock stretching is not implemented; for fSCL > 1.7 MHz, clock stretching is implemented.
7 Guaranteed by initial characterization.
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