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器件3D模型￥ 35.345
ADS8327IBRSAR 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
AD转换器
封装:
VQFN-16
描述:
低功耗， 16位， 500千赫，单/双单极性输入，模拟 - 数字转换器，串行接口 LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
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引脚图在P10Hot
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封装尺寸在P40P41P43P44
型号编码规则在P2
标记信息在P40P41
封装信息在P2P40P41P42P43P44
技术参数、封装参数在P3P4P5P6P7
应用领域在P1P50
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ADS8327IBRSAR数据手册
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若手册格式错乱，请下载阅览PDF原文件
ADS8327
ADS8328
SLAS415E – APRIL 2006– REVISED JANUARY 2011
www.ti.com
SPECIFICATIONS
T
A
= –40°C to 85°C, +VA = 4.5 V to 5.5 V, +VBD = 1.65 V to 5.5 V, V
REF
= 4.096 V, and f
SAMPLE
= 500 kHz, unless otherwise
noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
ANALOG INPUT
Full-scale input voltage
(1)
+IN – (–IN) or (+INx – COM) 0 +V
REF
V
+IN, +IN0, +IN1 AGND – 0.2 +VA + 0.2
Absolute input voltage V
–IN or COM AGND – 0.2 AGND + 0.2
Input capacitance 40 45 pF
No ongoing conversion,
Input leakage current –1 1 nA
DC Input
At dc 109
Input channel isolation, ADS8328 only dB
V
I
= ±1.25 V
PP
at 50 kHz 101
SYSTEM PERFORMANCE
Resolution 16 Bits
No missing codes 16 Bits
ADS8327IB,
–2 ±1.5 2
ADS8328IB
INL Integral linearity LSB
(2)
ADS8327I, ADS8328I –3 ±2 3
ADS8327IB,
–1 ±0.7 1
Differential
ADS8328IB
DNL LSB
(2)
linearity
ADS8327I, ADS8328I –1 ±1 2
ADS8327IB,
–1 ±0.4 1
ADS8328IB
E
O
Offset error
(3)
mV
ADS8327I, ADS8328I –1.25 ±0.4 1.25
Offset error drift 0.5 ppm/°C
E
G
Gain error –0.25 –0.07 0.25 %FSR
Gain error drift 0.3 ppm/°C
At dc 70
CMRR Common-mode rejection ratio dB
V
I
= 1 V
PP
at 1 MHz 50
Noise 33 mV RMS
PSRR Power-supply rejection ratio At FFFFh output code
(3)
78 dB
SAMPLING DYNAMICS
t
CONV
Conversion time 18 CCLK
t
SAMPLE
Manual trigger 3
1
Acquisition time CCLK
t
SAMPLE
Auto trigger 3
2
Throughput rate 500 kHz
Aperture delay 5 ns
Aperture jitter 10 ps
Step response 100 ns
Overvoltage recovery 100 ns
(1) Ideal input span, does not include gain or offset error.
(2) LSB means least significant bit.
(3) Measured relative to an ideal full-scale input [+IN – (–IN)] of 4.096 V when +VA = 5 V.
6 Submit Documentation Feedback © 2006–2011, Texas Instruments Incorporated
Product Folder Link(s): ADS8327 ADS8328
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