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AD7849BR-REEL 数据表(PDF) 3 Page - Analog Devices

部件名 AD7849BR-REEL
功能描述  Serial Input, 14-Bit/16-Bit DAC
Download  20 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD7849BR-REEL 数据表(HTML) 3 Page - Analog Devices

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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
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
±4
LSB typ
VOUT load = 10 MΩ
TMIN to TMAX
±4
±16
±16
LSB max
Offset Error at 25°C
±1
±4
±4
LSB typ
TMIN to TMAX
±6
±24
±16
LSB max
Gain Temperature Coefficient1
±2
±2
±2
ppm FSR/
°C typ
Offset Temperature Coefficient1
±2
±2
±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
±4
LSB typ
VOUT load = 10 MΩ
TMIN to TMAX
±4
±16
±16
LSB max
Offset Error at 25°C
±0.5
±2
±2
LSB typ
TMIN to TMAX
±3
±12
±8
LSB max
Bipolar Zero Error at 25°C
±0.5
±2
±2
LSB typ
TMIN to TMAX
±4
±12
±8
LSB max
Gain Temperature Coefficient1
±2
±2
±2
ppm FSR/
°C typ
Offset Temperature Coefficient1
±2
±2
±2
ppm FSR/
°C typ
Bipolar Zero Temperature
Coefficient1
±2
±2
±2
ppm FSR/
°C typ
REFERENCE INPUT
Input Resistance
25
25
25
kΩ min
Resistance from VREF+ to VREF−
43
43
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
2
2
kΩ min
To 0 V
Capacitive Load
200
200
200
pF max
To 0 V
Output Resistance
0.3
0.3
0.3
Ω typ
Short-Circuit Current
±25
±25
±25
mA typ
Voltage range: −10 V to +10 V


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