VDD = 11.4 V to 16.5 V, V
參數(shù)資料
型號: AD7225KN
廠商: Analog Devices Inc
文件頁數(shù): 18/24頁
文件大?。?/td> 0K
描述: IC DAC 8BIT QUAD W/AMP 24-DIP
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
產(chǎn)品變化通告: Product Discontinuance 27/Oct/2011
標(biāo)準(zhǔn)包裝: 15
設(shè)置時(shí)間: 4µs
位數(shù): 8
轉(zhuǎn)換器數(shù)目: 4
電壓電源: 雙 ±
功率耗散(最大): 500mW
工作溫度: -40°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 24-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 24-PDIP
包裝: 管件
輸出數(shù)目和類型: 4 電壓,單極;4 電壓,雙極
采樣率(每秒): 200k
AD7225
Rev. C | Page 3 of 24
SPECIFICATIONS
VDD = 11.4 V to 16.5 V, VSS = 5 V ± 10%; AGND = DGND = 0 V; VREFx = +2 V to (VDD 4 V)1
Parameter
, unless otherwise noted. All specifications
TMIN to TMAX, unless otherwise noted.
Table 1.
K, B
Versions2
L, C
Versions2
Unit
Conditions/Comments
STATIC PERFORMANCE
Resolution
8
Bits
Total Unadjusted Error
±2
±1
LSB max
VDD = 15 V ± 5%, VREF = 10 V
Relative Accuracy
±1
±1/2
LSB max
Differential Nonlinearity
±1
LSB max
Guaranteed monotonic
Full-Scale Error
±1
±1/2
LSB max
Full-Scale Temperature Coefficient
±5
ppm/°C typ
VDD = 14 V to 16.5 V, VREF = 10 V
Zero Code Error
±30
±20
mV max
Zero Code Error Temperature Coefficient
±30
μV/°C typ
REFERENCE INPUT
Voltage Range
2 to (VDD 4)
V min to V max
Input Resistance
11
kΩ min
Input Capacitance3
50
pF max
Occurs when each DAC is loaded with all 1s
Channel-to-Channel Isolation3
60
dB min
VREF = 10 V p-p sine wave at 10 kHz
AC Feedthrough3
70
dB max
VREF = 10 V p-p sine wave at 10 kHz
DIGITAL INPUTS
Input High Voltage, VINH
2.4
V min
Input Low Voltage, VINL
0.8
V max
Input Leakage Current
±1
μA max
VIN = 0 V or VDD
Input Capacitance3
8
pF max
Input Coding
Binary
DYNAMIC PERFORMANCE
Voltage Output Slew Rate3
2.5
V/μs min
Voltage Output Settling Time3
4
μs max
VREF = 10 V; settling time to ± LSB
Digital Feedthrough3
50
nV sec typ
Code transition all 0s to all 1s
Digital Crosstalk3
50
nV sec typ
Code transition all 0s to all 1s
Minimum Load Resistance
2
kΩ min
VOUT = 10 V
POWER SUPPLIES
VDD Range
11.4/16.5
V min to V max
For specified performance
IDD
10
mA max
Outputs unloaded; VIN = VINL or VINH
ISS
9
mA max
Outputs unloaded; VIN = VINL or VINH
SWITCHING CHARACTERISTICS3, 4
t1
50
ns min
Write pulse width
t2
0
ns min
Address to write setup time
t3
0
ns min
Address to write hold time
t4
50
ns min
Data valid to write setup time
t5
0
ns min
Data valid to write hold time
t6
50
ns min
Load DAC pulse width
1
Maximum possible reference voltage.
2
Temperature range is as follows for all versions: 40°C to +85°C.
3
Sample tested at 25°C to ensure compliance.
4
Switching characteristics apply for single-supply and dual-supply operation.
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