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參數(shù)資料
| 型號(hào)： | AD7224LR-18REEL |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 8BIT LC2MOS W/AMP 18SOIC |
| 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： | 1,000 |
| 設(shè)置時(shí)間： | 7µs |
| 位數(shù)： | 8 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 雙 ± |
| 功率耗散（最大）： | 75mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 18-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 18-SOIC |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 1 電壓，單極；1 電壓，雙極 |
| 采樣率（每秒）： | 143k |
REV. B
–2–
AD7224–SPECIFICATIONS
(VDD = 11.4 V to 16.5 V, VSS = –5 V
10%; AGND = DGND = O V; VREF = +2 V to (VDD – 4 V)
1 unless otherwise noted.
All specifications TMIN to TMAX unless otherwise noted.)
DUAL SUPPLY
K, B, T
L, C, U
Parameter
Versions
2
Versions
2
Units
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
±3/2
±1
LSB max
Full-Scale Temperature Coefficient
±20
ppm/
°C max
VDD = 14 V to 16.5 V, VREF = +10 V
Zero Code Error
±30
±20
mV max
Zero Code Error Temperature Coefficient
±50
±30
V/°C typ
REFERENCE INPUT
Voltage Range
2 to (VDD – 4)
V min to V max
Input Resistance
8
k
min
Input Capacitance3
100
pF max
Occurs when DAC is loaded with all 1s.
DIGITAL INPUTS
Input High Voltage, VINH
2.4
V min
Input Low Voltage, VINL
0.8
V max
Input Leakage Current
±1
A max
VIN = 0 V or VDD
Input Capacitance
3
8
pF max
Input Coding
Binary
DYNAMIC PERFORMANCE
Voltage Output Slew Rate
3
2.5
V/
s min
Voltage Output Settling Time
3
Positive Full-Scale Change
5
s max
VREF = +10 V; Settling Time to ± 1/2 LSB
Negative Full-Scale Change
7
s max
VREF = +10 V; Settling Time to ± 1/2 LSB
Digital Feedthrough
50
nV secs typ
VREF = 0 V
Minimum Load Resistance
2
k
min
VOUT = +10 V
POWER SUPPLIES
VDD Range
11.4/16.5
V min/V max
For Specified Performance
VSS Range
4.5/5.5
V min/V max
For Specified Performance
IDD
@ 25
°C
4
mA max
Outputs Unloaded; VIN = VINL or VINH
TMIN to TMAX
6
mA max
Outputs Unloaded; VIN = VINL or VINH
ISS
@ 25
°C
3
mA max
Outputs Unloaded; VIN = VINL or VINH
TMIN to TMAX
5
mA max
Outputs Unloaded; VIN = VINL or VINH
SWITCHING CHARACTERISTICS
3, 4
t1
@ 25
°C
90
ns min
Chip Select/Load DAC Pulse Width
TMIN to TMAX
90
ns min
t2
@ 25
°C
90
ns min
Write/Reset Pulse Width
TMIN to TMAX
90
ns min
t3
@ 25
°C
0
ns min
Chip Select/Load DAC to Write Setup Time
TMIN to TMAX
0
ns min
t4
@ 25
°C
0
ns min
Chip Select/Load DAC to Write Hold Time
TMIN to TMAX
0
ns min
t5
@ 25
°C
90
ns min
Data Valid to Write Setup Time
TMIN to TMAX
90
ns min
t6
@ 25
°C
10
ns min
Data Valid to Write Hold Time
TMIN to TMAX
10
ns min
NOTES
1Maximum possible reference voltage.
2Temperature ranges are as follows:
K, L Versions: –40
°C to +85°C
B, C Versions: –40
°C to +85°C
T, U Versions: –55
°C to +125°C
3Sample Tested at 25
°C by Product Assurance to ensure compliance.
4Switching characteristics apply for single and dual supply operation.
Specifications subject to change without notice.
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| AD7224LRZ-18 | 功能描述:IC DAC 8BIT LC2MOS W/AMP 18SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 設(shè)置時(shí)間:4.5µs 位數(shù):12 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
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