V
參數(shù)資料
型號: AD7327BRUZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 34/37頁
文件大?。?/td> 0K
描述: IC ADC 12BIT+ SAR 8CHAN 20TSSOP
標準包裝: 1,000
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(yīng)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
Data Sheet
AD7327
Rev. B | Page 5 of 36
B Version
Parameter1
Min
Typ
Max
Unit
Test Conditions/Comments
DC Leakage Current
±80
nA
VIN = VDD or VSS
3
nA
Per input channel, VIN = VDD or VSS
Input Capacitance3
13.5
pF
When in track, ±10 V range
16.5
pF
When in track, ±5 V and 0 V to +10 V ranges
21.5
pF
When in track, ±2.5 V range
3
pF
When in hold, all ranges
REFERENCE INPUT/OUTPUT
Input Voltage Range
2.5
3
V
Input DC Leakage Current
±1
A
Input Capacitance
10
pF
Reference Output Voltage
2.5
V
Reference Output Voltage Error
at 25°C
±5
mV
Reference Output Voltage
TMIN to TMAX
±10
mV
Reference Temperature
Coefficient
25
ppm/°C
3
ppm/°C
Reference Output Impedance
7
LOGIC INPUTS
Input High Voltage, VINH
2.4
V
Input Low Voltage, VINL
0.8
V
VCC = 4.75 V to 5.25 V
0.4
V
VCC = 2.7 to 3.6 V
Input Current, IIN
±1
A
VIN = 0 V or VDRIVE
Input Capacitance, CIN3
10
pF
LOGIC OUTPUTS
Output High Voltage, VOH
VDRIVE
0.2 V
V
ISOURCE = 200 A
Output Low Voltage, VOL
0.4
V
ISINK = 200 A
Floating-State Leakage Current
±1
A
Floating-State Output
Capacitance3
5
pF
Output Coding
Straight natural binary
Coding bit set to 1 in control register
Twos complement
Coding bit set to 0 in control register
CONVERSION RATE
Conversion Time
1.6
s
16 SCLK cycles with SCLK = 10 MHz
Track-and-Hold Acquisition
305
ns
Full-scale step input; see the Terminology section
Throughput Rate
500
kSPS
POWER REQUIREMENTS
Digital inputs = 0 V or VDRIVE
VDD
12
16.5
V
VSS
12
16.5
V
VCC
2.7
5.25
V
VDRIVE
2.7
5.25
V
Normal Mode (Static)
0.9
mA
VDD/VSS = ±16.5 V, VCC/VDRIVE = 5.25 V
Normal Mode (Operational)
fSAMPLE = 500 kSPS
IDD
180
A
VDD = 16.5 V
ISS
205
A
VSS = 16.5 V
ICC and IDRIVE
2.2
mA
VCC/VDRIVE = 5.25 V
Autostandby Mode (Dynamic)
fSAMPLE = 250 kSPS
IDD
100
A
VDD = 16.5 V
ISS
110
A
VSS = 16.5 V
ICC and IDRIVE
0.75
mA
VCC/VDRIVE = 5.25 V
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