参数资料
型号: AD5544ARS
厂商: Analog Devices Inc
文件页数: 19/24页
文件大小: 0K
描述: IC DAC 16BIT QUAD SRL IN 28-SSOP
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 1
设置时间: 900ns
位数: 16
数据接口: 串行,SPI?
转换器数目: 4
电压电源: 双 ±
功率耗散(最大): 1.25mW
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
输出数目和类型: 4 电流,单极;4 电流,双极
AD5544/AD5554
Data Sheet
Rev. G | Page 4 of 24
Parameter
Symbol
Test Condition/Comments
Min
Typ
Max
Unit
Power Dissipation
PDISS
Logic inputs = 0 V
1.25
mW
Power Supply Sensitivity
PSS
VDD = ±5%
0.006
%/%
AC CHARACTERISTICS4
Output Voltage Settling Time
tS
To ±0.1% of full scale, data = 0x0000 to 0xFFFF to 0x0000
0.9
s
Reference Multiplying
Bandwidth (BW)
BW 3 dB
VREFx = 5 V p-p, data = 0xFFFF, CFB = 2.0 pF,
12
MHz
DAC Glitch Impulse
Q
VREFx = 8 V, data = 0x0000 to 0x8000 to 0x0000
1
nV-sec
Feedthrough Error
VOUTx/VREFx
Data = 0x0000, VREFx = 100 mV rms, f = 100 kHz
65
dB
Crosstalk Error
VOUTA/VREFB
Data = 0x0000, VREFB = 100 mV rms, adjacent channel,
f = 100 kHz
90
dB
Digital Feedthrough
Q
CS = 1, fCLK = 1 MHz
0.6
nV-sec
Total Harmonic Distortion
THD
VREFx = 5 V p-p, data = 0xFFFF, f = 1 kHz
98
dB
Output Spot Noise Voltage
eN
f = 1 kHz, BW = 1 Hz
7
nV/√Hz
1
All static performance tests (except IOUTx) are performed in a closed-loop system using an external precision OP177 I-to-V converter amplifier. The AD5544 RFB terminal
is tied to the amplifier output. Typical values represent average readings measured at 25°C.
2
These parameters are guaranteed by design and not subject to production testing.
3
All input control signals are specified with tR = tF = 2.5 ns (10% to 90% of 3 V) and timed from a voltage level of 1.5 V.
4
All ac characteristic tests are performed in a closed-loop system using an AD8038 I-to-V converter amplifier.
AD5554 ELECTRICAL CHARACTERISTICS
VDD = 2.7 V to 5.5 V, VSS = 0 V, IOUTx = virtual GND, AGNDx = 0 V, VREFA = VREFB = VREFC = VREFD = 10 V, TA = full operating temperature
range of 40°C to +125°C, unless otherwise noted.
Table 2.
Parameter
Symbol
Test Condition/Comments
Min
Typ
Max
Unit
STATIC PERFORMANCE1
Resolution
N
1 LSB = VREFx/214 = 610 V when VREFx = 10 V
14
Bits
Relative Accuracy
INL
±0.5
LSB
Differential Nonlinearity
DNL
±1
LSB
Output Leakage Current
IOUTx
Data = 0x0000, TA = 25°C
10
nA
Data = 0x0000, TA = 85°C
20
nA
Full-Scale Gain Error
GFSE
Data = 0x3FFF
±2
±10
mV
Full-Scale Tempco2
TCVFS
1
ppm/°C
Feedback Resistor
RFBx
VDD = 5 V
4
6
8
k
REFERENCE INPUT
VREFx Range
VREFx
15
+15
V
Input Resistance
RREFx
4
6
8
k
Input Resistance Match
RREFx
Channel-to-channel
1
%
Input Capacitance2
CREFx
5
pF
ANALOG OUTPUT
Output Current
IOUTx
Data = 0x3FFF
1.25
2.5
mA
Output Capacitance2
COUTx
Code dependent
80
pF
LOGIC INPUT AND OUTPUT
Logic Input Low Voltage
VIL
0.8
V
Logic Input High Voltage
VIH
2.4
V
Input Leakage Current
IIL
1
A
Input Capacitance2
CIL
10
pF
Logic Output Low Voltage
VOL
IOL = 1.6 mA
0.4
V
Logic Output High Voltage
VOH
IOH = 100 A
4
V
INTERFACE TIMING2, 3
Clock Width High
tCH
25
ns
Clock Width Low
tCL
25
ns
CS to Clock Setup
tCSS
0
ns
Clock to CS Hold
tCSH
25
ns
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