参数资料
型号: AD5748ACPZ-RL7
厂商: Analog Devices Inc
文件页数: 27/32页
文件大小: 0K
描述: IC I/V OUTPUT DRIVER 32LFCSP
标准包装: 1,500
放大器类型: 仪表
电路数: 1
转换速率: 2 V/µs
电流 - 输出 / 通道: 15mA
电压 - 电源,单路/双路(±): ±12 V ~ 24 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-VQ(5x5)
包装: 带卷 (TR)
AD5748
Rev. A | Page 4 of 32
SPECIFICATIONS
AVDD/AVSS = ±12 V (± 10%) to ±24 V (± 10%), DVCC = 2.7 V to 5.5 V, GND = 0 V. IOUT: RLOAD = 300 Ω. All specifications TMIN to TMAX,
unless otherwise noted.
Table 2.
Parameter 1
Min
Typ
Max
Unit
Test Conditions/Comments
INPUT VOLTAGE RANGE
Output unloaded
VIN
0 to 4.096
V
Input Leakage Current
1
+1
μA
REFERENCE INPUT
Reference Input Voltage
4.096
V
External reference needs to be exactly as
stated; otherwise, accuracy errors show
up as error in output
Input Leakage Current
1
+1
μA
VOLTAGE OUTPUT, VOUT
Output Voltage Ranges
0
5
V
0
10.5
V
AVDD must have minimum 1.3 V
headroom
10.5
+10.5
V
AVDD/AVSS must have minimum 1.3 V
headroom
Accuracy
Total Unadjusted Error (TUE) 2
0.3
+0.3
% FSR
0.1
±0.05
+0.1
% FSR
TA = 25°C
Relative Accuracy (INL)
0.02
±0.005
+0.02
% FSR
Bipolar Zero Error (Offset at
Midscale)
10
+10
mV
±10.5 V range
8
±0.5
+8
mV
TA = 25°C, ±10.5 V range
Bipolar Zero Error TC 3
±1.5
ppm FSR/°C
±10.5 V range
Zero-Scale Error
10
+10
mV
±10.5 V range
8
±0.5
+8
mV
TA = 25°C, ±10.5 V range
Zero-Scale Error TC3
±1
ppm FSR/°C
±10.5 V range
Zero-Scale/Offset Error
5
+5
mV
0 V to 10.5 V range
4
±0.5
+4
mV
TA = 25°C, 0 V to 10.5 V range
3
+3
mV
0 V to 5 V range
2.2
±0.3
+2.2
mV
TA = 25°C, 0 V to 5 V range
Offset Error TC3
±2
ppm FSR/°C
Gain Error
0.05
+0.05
% FSR
All ranges
0.04
±0.015
+0.04
% FSR
TA = 25°C
Gain Error TC3
±0.5
ppm FSR/°C
Full-Scale Error
0.05
+0.05
% FSR
All ranges
0.04
±0.015
+0.04
% FSR
TA = 25°C
Full-Scale Error TC3
±1.5
ppm FSR/°C
VOLTAGE OUTPUT CHARACTERISTICS3
Headroom
1.3
V
Output unloaded
Short-Circuit Current
15
mA
Load
1
Capacitive Load Stability
TA = 25°C
RLOAD = ∞
1
nF
RLOAD = 2 kΩ
1
nF
RLOAD = ∞
2
μF
External compensation capacitor required;
see the
DC Output Impedance
0.12
Ω
0 V to 5 V range, to Step
7
μs
Specified with 2 kΩ || 220 pF, ±0.05%
0 V to 5 V range, 40 mV Input Step
4.5
μs
Specified with 2 kΩ || 220 pF, ±0.05%
Slew Rate
2
V/μs
Specified with 2 kΩ || 220 pF
Output Noise
2.5
μV rms
0.1 Hz to 10 Hz bandwidth
45.5
μV rms
100 kHz bandwidth
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