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| 型号： | AD5292BRUZ-100-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 27/32页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 1024POS 20K 14TSSOP |
| 设计资源： | Variable Gain Noninverting Amplifier Using AD5292 and OP184 (CN0112) Variable Gain Inverting Amplifier Using AD5292 and OP184 (CN0113) Low Cost, High Voltage, Programmable Gain Instrumentation Amplifier Using AD5292 and AD8221 (CN0114) Programmable High Voltage Source with Boosted Output Current Using AD5292, OP184, and MOSFETs (CN0115) Programmable Bidirectional Current Source Using AD5292 and ADA4091-4 (CN0117) Logarithmic Audio Volume Control with Glitch Reduction Using AD5292 (CN0120) |
| 标准包装： | 1,000 |
| 接片： | 1024 |
| 电阻（欧姆）： | 100k |
| 电路数： | 1 |
| 温度系数： | 标准值 35 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | 4 线串行 |
| 电源电压： | 9 V ~ 33 V，±9 V ~ 16.5 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 带卷 (TR) |
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AD5291/AD5292
Rev. D | Page 4 of 32
Parameter
Symbol
Conditions
Min
Max
Unit
DYNAMIC CHARACTERISTICS5, 10
Bandwidth
BW
3 dB, code = half-scale
kHz
RAB = 20 kΩ
520
RAB = 50 kΩ
210
RAB = 100 kΩ
105
Total Harmonic Distortion
THDW
VA = 1 V rms, VB = 0 V, f = 1 kHz
dB
RAB = 20 kΩ
93
RAB = 50 kΩ
101
RAB = 100 kΩ
106
VW Settling Time
tS
VA = 30 V, VB = 0 V, ±0.5 LSB error
band, initial code = zero scale,
board capacitance = 170 pF
Code = full-scale, normal mode
750
ns
Code = full-scale, R-Perf mode
2.5
μs
Code = half-scale, normal mode
μs
RAB = 20 kΩ
2.5
RAB = 50 kΩ
7
RAB = 100 kΩ
14
Code = half-scale, R-Perf mode
μs
RAB = 20 kΩ
5
RAB = 50 kΩ
9
RAB = 100 kΩ
16
Resistor Noise Density
eN_WB
Code = half-scale, TA = 25°C, 0 kHz
to 200 kHz
nV/√Hz
RAB = 20 kΩ
10
RAB = 50 kΩ
18
RAB = 100 kΩ
27
1 Typical values represent average readings at 25°C, VDD = 15 V, VSS = 15 V, and VLOGIC = 5 V.
2 Resistor position nonlinearity error. R-INL is the deviation from an ideal value measured between the RWB at code 0x02 to code 0xFF or between RWA at code 0xFD to
code 0x00. R-DNL measures the relative step change from ideal between successive tap positions. The specification is guaranteed in resistor performance mode, with
a wiper current of 1 mA for VA < 12 V and 1.2 mA for VA ≥ 12 V.
3 Resistor performance mode (see the Resistor Performance Mode section). The terms resistor performance mode and R-Perf mode are used interchangeably.
4 Guaranteed by design and characterization, not subject to production test.
5 INL and DNL are measured at VWB with the RDAC configured as a potentiometer divider similar to a voltage output DAC. VA = VDD and VB = 0 V. DNL specification limits
of ±1 LSB maximum are guaranteed monotonic operating conditions.
6 Resistor Terminal A, Resistor Terminal B, and Resistor Terminal W have no limitations on polarity with respect to each other. Dual-supply operation enables ground-
referenced bipolar signal adjustment.
7 Different from operating current; supply current for fuse program lasts approximately 550 μs.
8 Different from operating current; supply current for fuse read lasts approximately 550 μs.
9 PDISS is calculated from (IDD × VDD) + (ISS × VSS) + (ILOGIC × VLOGIC).
10 All dynamic characteristics use VDD = 15 V, VSS = 15 V, and VLOGIC = 5 V.
RESISTOR PERFORMANCE MODE CODE RANGE
Table 2.
RAB = 20 kΩ
|VDD VSS| = 30 V to 33 V
|VDD VSS| = 26 V to 30 V
|VDD VSS| = 22 V to 26 V
|VDD VSS| = 21 V to 22 V
Resistor
Tolerance per
Code
RWB
RWA
RWB
RWA
RWB
RWA
RWB
RWA
1% R-Tolerance
From 0x5A
to 0xFF
From 0x00
to 0xA5
From 0x7D
to 0xFF
From 0x00
to 0x82
From 0x7D
to 0xFF
From 0x00
to 0x82
N/A
2% R-Tolerance
From 0x23
to 0xFF
From 0x00
to 0xDC
From 0x2D
to 0xFF
From 0x00
to 0xD2
From 0x23
to 0xFF
From 0x00
to 0xDC
From 0x23
to 0xFF
From 0x00
to 0xDC
3% R-Tolerance
From 0x1E
to 0xFF
From 0x00
to 0xE1
From 0x19
to 0xFF
From 0x00
to 0xE6
From 0x17
to 0xFF
From 0x00
to 0xE8
From 0x17
to 0xFF
From 0x00
to 0xE8
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