VDD = 14.25 V to 15.75 V; V
參數(shù)資料
型號: AD7849CRZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 14/20頁
文件大?。?/td> 0K
描述: IC DAC 14/16BIT SRL-IN 20-SOIC
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝: 1,000
設(shè)置時(shí)間: 7µs
位數(shù): 16
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 模擬和數(shù)字,雙 ±
功率耗散(最大): 100mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 20-SOIC W
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
AD7849
Rev. C | Page 3 of 20
SPECIFICATIONS
VDD = 14.25 V to 15.75 V; VSS = 14.25 V to 15.75 V; VCC = 4.75 V to 5.25 V; VOUT loaded with 2 kΩ, 200 pF to 0 V; VREF+ = 5 V; ROFS
connected to 0 V; TA = TMIN to TMAX, unless otherwise noted. Temperature range for A, B, C versions is 40°C to +85°C.
Table 1.
Parameter
A Version
B Version
C Version
Unit
Test Conditions/Comments
RESOLUTION
14
16
Bits
A version: 1 LSB = 2 (VREF+ VREF)/214;
B, C versions: 1 LSB = 2 (VREF+ VREF)/216
UNIPOLAR OUTPUT
VREF = 0 V, VOUT = 0 V to 10 V
Relative Accuracy at 25°C
±4
±6
±4
LSB typ
TMIN to TMAX
±5
±16
±8
LSB max
Differential Nonlinearity
±0.25
±0.9
±0.5
LSB max
All grades guaranteed monotonic
over temperature
Gain Error at 25°C
±1
±4
LSB typ
VOUT load = 10 MΩ
TMIN to TMAX
±4
±16
LSB max
Offset Error at 25°C
±1
±4
LSB typ
TMIN to TMAX
±6
±24
±16
LSB max
Gain Temperature Coefficient1
±2
ppm FSR/
°C typ
Offset Temperature Coefficient1
±2
ppm FSR/
°C typ
BIPOLAR OUTPUT
VREF = 5 V, VOUT = 10 V to +10 V
Relative Accuracy at 25°C
±2
±3
±2
LSB typ
TMIN to TMAX
±3
±8
±4
LSB max
Differential Nonlinearity
±0.25
±0.9
±0.5
LSB max
All grades guaranteed monotonic
over temperature
Gain Error at 25°C
±1
±4
LSB typ
VOUT load = 10 MΩ
TMIN to TMAX
±4
±16
LSB max
Offset Error at 25°C
±0.5
±2
LSB typ
TMIN to TMAX
±3
±12
±8
LSB max
Bipolar Zero Error at 25°C
±0.5
±2
LSB typ
TMIN to TMAX
±4
±12
±8
LSB max
Gain Temperature Coefficient1
±2
ppm FSR/
°C typ
Offset Temperature Coefficient1
±2
ppm FSR/
°C typ
Bipolar Zero Temperature
Coefficient1
±2
ppm FSR/
°C typ
REFERENCE INPUT
Input Resistance
25
kΩ min
Resistance from VREF+ to VREF
43
kΩ max
Typically 34 kΩ
VREF+ Range
VSS + 6 to
VDD 6
VSS + 6 to
VDD 6
VSS + 6 to
VDD 6
V
VREF Range
VSS + 6 to
VDD 6
VSS + 6 to
VDD 6
VSS + 6 to
VDD 6
V
OUTPUT CHARACTERISTICS
Output Voltage Swing
VSS + 4 to
VDD 4
VSS + 4 to
VDD 4
VSS + 4 to
VDD 4
V max
Resistive Load
2
kΩ min
To 0 V
Capacitive Load
200
pF max
To 0 V
Output Resistance
0.3
Ω typ
Short-Circuit Current
±25
mA typ
Voltage range: 10 V to +10 V
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