参数资料
型号: AD5545BRU
厂商: Analog Devices Inc
文件页数: 19/24页
文件大小: 0K
描述: IC DAC 16BIT DUAL SRL IN 16TSSOP
产品培训模块: Data Converter Fundamentals
DAC Architectures
产品变化通告: AD5545BRU Obsolescence 16/May/2012
标准包装: 1
设置时间: 500ns
位数: 16
数据接口: 串行
转换器数目: 2
电压电源: 单电源
功率耗散(最大): 55µW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 管件
输出数目和类型: 2 电流,单极;2 电流,双极
采样率(每秒): 2M
AD5545/AD5555
Data Sheet
Rev. G | Page 4 of 24
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
AC CHARACTERISTICS
Output Voltage Setting Time
tS
To ±0.1% full scale, data = zero scale to
full scale to zero scale
0.5
μs
Reference Multiplying BW
BW
VREF = 100 mV rms, data = full scale, C1 = 5.6 pF
6.9
MHz
DAC Glitch Impulse
Q
VREF = 0 V, data = midscale minus 1 to midscale
–2
nV-s
Feedthrough Error
VOUT/VREF
Data = zero scale, VREF = 100 mV rms,
f = 1 kHz, same channel
–81
dB
Digital Feedthrough
Q
CS = logic high and fCLK = 1 MHz
7
nV-s
Total Harmonic Distortion
THD
VREF = 5 V p-p, data = full scale, f = 1 kHz to 10 kHz
–104
dB
Analog Crosstalk
CTA
VREFB = 0 V, measure VOUTB with VREFA = 5 V p-p
sine wave, data = full scale, f = 1 kHz to 10 kHz
–95
dB
Output Spot Noise Voltage
eN
f = 1 kHz, BW = 1 Hz
12
nV/√Hz
1 All static performance tests (except IOUT) are performed in a closed-loop system using an external precision OP1177 I-to-V converter amplifier. The AD5545 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 ac characteristic tests are performed in a closed-loop system using an AD8038 I-to-V converter amplifier and the AD8065 for the THD specification.
4 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.
TIMING DIAGRAMS
02918- 0- 003
A1
SDI
CLK
CS
tCSS
tDS
tDH
tCH
tCL
tLDAC
tCSH
tLDS
tLDH
LDAC
A0
INPUT REG LD
D1
D0
D15
D14
D13
D12
D11
D10
Figure 2. AD5545 18-Bit Data Word Timing Diagram
02918- 0- 004
A1
SDI
CLK
CS
tCSS
tDS
tDH
tCH
tCL
tLDAC
tCSH
tLDS
tLDH
LDAC
A0
INPUT REG LD
D1
D0
D13
D12
D11
D10
D09
D08
Figure 3. AD5555 16-Bit Data Word Timing Diagram
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