参数资料
型号: AD7327BRUZ
厂商: Analog Devices Inc
文件页数: 33/37页
文件大小: 0K
描述: IC ADC 12BIT+ SAR 8CHAN 20TSSOP
标准包装: 75
位数: 12
采样率(每秒): 500k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 17mW
电压电源: 双 ±
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 管件
输入数目和类型: 8 个单端,单极;8 个单端,双极;4 个差分,单极;4 个差分,双极
产品目录页面: 777 (CN2011-ZH PDF)
配用: EVAL-AD7327CBZ-ND - BOARD EVALUATION FOR AD7327
AD7327
Data Sheet
Rev. B | Page 4 of 36
B Version
Parameter1
Min
Typ
Max
Unit
Test Conditions/Comments
DC ACCURACY4
Single-ended/pseudo differential mode 1 LSB =
FSR/4096, unless otherwise noted.
Differential mode 1 LSB = FSR/8192, unless otherwise
noted.
Resolution
13
Bits
No Missing Codes
12-bit
plus sign
(13 bits)
Bits
Differential mode
11-bit
plus sign
(12 bits)
Bits
Single-ended/pseudo differential mode
Integral Nonlinearity2
±1.1
LSB
Differential mode; VCC = 3 V to 5.25 V, typ for VCC = 2.7 V
±1
LSB
Single-ended/pseudo differential mode, VCC = 3 V to
5.25 V, typ for VCC = 2.7 V
0.7/+1.2
LSB
Single-ended/pseudo differential mode
(LSB = FSR/8192)
Differential Nonlinearity2
0.9/+1.2
LSB
Differential mode; guaranteed no missing codes to
13 bits
±0.9
LSB
Single-ended mode; guaranteed no missing codes to
12 bits
0.7/+1
LSB
Single-ended/pseudo differential mode
(LSB = FSR/8192)
Offset Error2, 5
4/+9
LSB
Single-ended/pseudo differential mode
7/+10
LSB
Differential mode
Offset Error Match2, 5
±0.6
LSB
Single-ended/pseudo differential mode
±0.5
LSB
Differential mode
Gain Error2, 5
±8
LSB
Single-ended/pseudo differential mode
±14
LSB
Differential mode
Gain Error Match2, 5
±0.5
LSB
Single-ended/pseudo differential mode
±0.5
LSB
Differential mode
Positive Full-Scale Error2, 6
±4
LSB
Single-ended/pseudo differential mode
±7
LSB
Differential mode
Positive Full-Scale Error Match2, 6
±0.5
LSB
Single-ended/pseudo differential mode
±0.5
LSB
Differential mode
Bipolar Zero Error2, 6
±8.5
LSB
Single-ended/pseudo differential mode
±7.5
LSB
Differential mode
Bipolar Zero Error Match2, 6
±0.5
LSB
Single-ended/pseudo differential mode
±0.5
LSB
Differential mode
Negative Full-Scale Error2, 6
±4
LSB
Single-ended/pseudo differential mode
±6
LSB
Differential mode
Negative Full-Scale Error Match2,6
±0.5
LSB
Single-ended/pseudo differential mode
±0.5
LSB
Differential mode
ANALOG INPUT
Input Voltage Ranges
Reference = 2.5 V; see Table 6
(Programmed via Range
Registers)
±10
V
VDD = +10 V min, VSS = 10 V min, VCC = +2.7 V to +5.25 V
±5
V
VDD = +5 V min, VSS = 5 V min, VCC = +2.7 V to +5.25 V
±2.5
V
VDD = +5 V min, VSS = 5 V min, VCC = +2.7 V to +5.25 V
0 to 10
V
VDD = +10 V min, VSS = AGND min, VCC = +2.7 V to +5.25 V
Pseudo Differential VIN()
Input Range
VDD = +16.5 V, VSS = 16.5 V, VCC = +5 V; see Figure 40
±3.5
V
Reference = 2.5 V; range = ±10 V
±6
V
Reference = 2.5 V; range = ±5 V
±5
V
Reference = 2.5 V; range = ±2.5 V
+3/5
V
Reference = 2.5 V; range = 0 V to +10 V
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