VDD = 2.7 V to 5.5 V; R
參數(shù)資料
型號(hào): AD5320BRT-500RL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 14/20頁(yè)
文件大?。?/td> 0K
描述: IC DAC 12BIT R-R W/BUFF SOT23-6
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝: 1
設(shè)置時(shí)間: 8µs
位數(shù): 12
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: SOT-23-6
供應(yīng)商設(shè)備封裝: SOT-23-6
包裝: 標(biāo)準(zhǔn)包裝
輸出數(shù)目和類型: 1 電壓,雙極
采樣率(每秒): 125k
其它名稱: AD5320BRT500RL7DKR
AD5320
Rev. C | Page 3 of 20
SPECIFICATIONS
VDD = 2.7 V to 5.5 V; RL = 2 kΩ to GND; CL = 200 pF to GND; all specifications TMIN to TMAX, unless otherwise noted.
Table 1.
B Version1
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
STATIC PERFORMANCE2
Resolution
12
Bits
Relative Accuracy
±16
LSB
Differential Nonlinearity
±1
LSB
Guaranteed monotonic by design (see Figure 6)
Zero-Code Error
5
40
mV
All zeroes loaded to DAC register (see Figure 9)
Full-Scale Error
0.15
1.25
% of FSR
All ones loaded to DAC register (see Figure 9)
Gain Error
±1.25
% of FSR
Zero-Code Error Drift
20
μV/°C
Gain Temperature Coefficient
5
ppm of FSR/°C
OUTPUT CHARACTERISTICS3
Output Voltage Range
0
VDD
V
Output Voltage Settling Time
8
10
μs
1/4 scale to 3/4 scale change (400 hex to C00 hex)
RL = 2 kΩ, 0 pF < CL < 200 pF (see Figure 19)
12
μs
RL = 2 kΩ, CL = 500 pF
Slew Rate
1
V/μs
Capacitive Load Stability
470
pF
RL = ∞
1000
pF
RL = 2 kΩ
Digital-to-Analog Glitch Impulse
20
nV-s
1 LSB change around major carry (see Figure 22)
Digital Feedthrough
0.5
nV-s
DC Output Impedance
1
Ω
Short Circuit Current
50
mA
VDD = 5 V
20
mA
VDD = 3 V
Power-Up Time
2.5
μs
Coming out of power-down mode, VDD = 5 V
5
μs
Coming out of power-down mode, VDD = 3 V
LOGIC INPUTS3
Input Current
±1
μA
VINL, Input Low Voltage
0.8
V
VDD = 5 V
VINL, Input Low Voltage
0.6
V
VDD = 3 V
VINH, Input High Voltage
2.4
V
VDD = 5 V
VINH, Input High Voltage
2.1
V
VDD = 3 V
Pin Capacitance
3
pF
POWER REQUIREMENTS
VDD
2.7
5.5
V
IDD (Normal Mode)
DAC active and excluding load current
VDD = 4.5 V to 5.5 V
140
250
μA
VIH = VDD and VIL = GND
VDD = 2.7 V to 3.6 V
115
200
μA
VIH = VDD and VIL = GND
IDD (All Power-Down Modes)
VDD = 4.5 V to 5.5 V
0.2
1
μA
VIH = VDD and VIL = GND
VDD = 2.7 V to 3.6 V
0.05
1
μA
VIH = VDD and VIL = GND
POWER EFFICIENCY
IOUT/IDD
93
%
ILOAD = 2 mA, VDD = 5 V
1 Temperature range is as follows: B Version: 40°C to +105°C.
2 Linearity calculated using a reduced code range of 48 to 4047; output unloaded.
3 Guaranteed by design and characterization, not production tested.
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