参数资料
型号: AD1555BPZ
厂商: Analog Devices Inc
文件页数: 12/24页
文件大小: 0K
描述: IC ADC PGA 24BIT LN 28-PLCC
标准包装: 1
位数: 24
采样率(每秒): 256k
数据接口: 串行,并联
转换器数目: 1
功率耗散(最大): 96mW
电压电源: 双 ±
工作温度: -55°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-LCC(J 形引线)
供应商设备封装: 28-PLCC(11.51x11.51)
包装: 管件
输入数目和类型: 1 个差分,双极
REV. B
AD1555/AD1556
–2–
AD1555BP
AD1555AP
Parameter
Notes
Min
Typ
Max
Min
Typ
Max
Unit
PGA Gain Settings
1, 2.5, 8.5, 34, 128
AC ACCURACY
Dynamic Range
1
PGA Gain of 1
116.5
120
116
120
dB
PGA Gain of 2.5
116
119.5
115.5
119.5
dB
PGA Gain of 8.5
114
117.5
114
117.5
dB
PGA Gain of 34
104.5
109.5
104.5
109.5
dB
PGA Gain of 128
98
dB
Total Harmonic Distortion
2
PGA Gain of 1
–120
–111
–120
–107
dB
PGA Gain of 2.5
–116
–108
–116
–107
dB
PGA Gain of 8.5
–116
–106
–116
–105
dB
PGA Gain of 34
–115
–101
–115
–101
dB
PGA Gain of 128
–108
dB
Jitter Tolerance
3
300
ps
Intermodulation Distortion
4
PGA Gain of 1
122
dB
DC ACCURACY
Absolute Gain Error
5
PGA Gain of 1, 2.5
–3.5
+3.5
–3.5
+3.5
%
PGA Gain of 8.5
–4.5
+4.5
–4.5
+4.5
%
PGA Gain of 34
–10
+10
–10
+10
%
Gain Stability Over Temperature
5
±15
ppm/
°C
Offset
5, 6
All PGA Gain
–60
mV
Offset Drift
5, 6
66
V/°C
ANALOG INPUT
Full-Scale Nondifferential Input
MODIN
±2.25
V
Input Impedance
MODIN
20
k
Full-Scale Differential Input
PGA Gain of 1
±2.25
V
Other PGA Gain Settings
See Table I
Differential Input Impedance
AIN, TIN Inputs
140
M
Common-Mode Range
±2.25
V
Common-Mode Rejection Ratio
VCM =
±2.25 V, f
IN = 200 Hz
PGA Gain of 1
93
101
91
101
dB
PGA Gain of 2.5
95
102
91.5
102
dB
PGA Gain of 8.5, 34
95.5
108
94.5
108
dB
PGA Gain of 128
108
dB
Power Supply Rejection Ratio
7
50
dB
AIN to TIN Crosstalk Isolation
fIN = 200 Hz
130
dB
Differential Input Current
130
nA
TEMPERATURE RANGE
8
Specified Performance
TMIN to TMAX
–55
+85
0
85
°C
REFERENCE INPUT
9
Input Voltage Range
2.990
3.0
3.010
2.990
3.0
3.010
V
Input Current
130
A
DIGITAL INPUTS OUTPUTS
VIL
–0.3
+0.8
–0.3
+0.8
V
VIH
2.0
VL + 0.3 2.0
VL + 0.3
V
IIL
–10
+10
–10
+10
A
IIH
–10
+10
–10
+10
A
VOL
ISINK = +2 mA
0.4
V
VOH
ISOURCE = –2 mA
2.4
V
AD1555–SPECIFICATIONS
(+VA = +5 V; –VA = –5 V; VL = 5 V; AGND = DGND = 0 V; MCLK = 256 kHz; TA = TMIN to
TMAX, unless otherwise noted.)
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