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參數(shù)資料
型號(hào)： EVAL-AD5292EBZ
廠商： Analog Devices Inc
文件頁數(shù)： 30/32頁
文件大?。?/td> 0K
描述： BOARD EVAL FOR AD5292
標(biāo)準(zhǔn)包裝： 1
主要目的： 數(shù)字電位器
嵌入式： 是
已用 IC / 零件： AD5292
主要屬性： 1 通道，1024 位置
次要屬性： SPI 接口
已供物品： 板，CD
AD5291/AD5292
Rev. D | Page 7 of 32
Parameter
Symbol
Conditions
Min
Max
Unit
DYNAMIC CHARACTERISTICS5, 10
Bandwidth
BW
3 dB
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 0x00B to code 0x3FF or between RWA at code 0x3F3 to
code 0x000. 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 VW 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 5.
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 0x15E
to 0x3FF
From 0x000
to 0x2A1
From 0x1F4
to 0x3FF
From 0x000
to 0x20B
From 0x1F4
to 0x3FF
From 0x000
to 0x20B
N/A
2% R-Tolerance
From 0x8C
to 0x3FF
From 0x000
to 0x373
From 0xB4
to 0x3FF
From 0x000
to 0x34B
From 0xFA
to 0x3FF
From 0x000
to 0x305
From 0xFA
to 0x3FF
From 0x000
to 0x305
3% R-Tolerance
From 0x5A
to 0x3FF
From 0x000
to 0x3A5
From 0x64
to 0x3FF
From 0x000
to 0x39B
From 0x78
to 0x3FF
From 0x000
to 0x387
From 0x78
to 0x3FF
From 0x000
to 0x387
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