參數(shù)資料
型號： AD7327BRUZ-REEL
廠商： Analog Devices Inc
文件頁數(shù)： 33/37頁
文件大?。?/td> 0K
描述： IC ADC 12BIT+SAR 8CHAN 20-TSSOP
標準包裝： 2,500
位數(shù)： 12
采樣率（每秒）： 500k
數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 17mW
電壓電源： 雙 ±
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 20-TSSOP（0.173"，4.40mm 寬）
供應商設(shè)備封裝： 20-TSSOP
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 8 個單端，單極；8 個單端，雙極；4 個差分，單極；4 個差分，雙極
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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