T
參數(shù)資料
型號(hào)： AD574ALNZ
廠(chǎng)商： Analog Devices Inc
文件頁(yè)數(shù)： 6/12頁(yè)
文件大?。?/td> 0K
描述： IC ADC 12BIT W/REF/CLK 28DIP
標(biāo)準(zhǔn)包裝： 1
位數(shù)： 12
采樣率（每秒）： 28.6k
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 725mW
電壓電源： 雙 ±
工作溫度： 0°C ~ 70°C
安裝類(lèi)型： 通孔
封裝/外殼： 28-DIP（0.600"，15.24mm）
供應(yīng)商設(shè)備封裝： 28-PDIP
包裝： 管件
輸入數(shù)目和類(lèi)型： 2 個(gè)單端，單極；2 個(gè)單端，雙極
AD574AS
AD574AT
AD574AU
Model
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Units
RESOLUTION
12
Bits
LINEARITY ERROR @ +25
°C
±1
±1/2
LSB
TMIN to TMAX
±1
LSB
DIFFERENTIAL LINEARITY ERROR
(Minimum Resolution for Which No
Missing Codes are Guaranteed)
TMIN to TMAX
11
12
Bits
UNIPOLAR OFFSET (Adjustable to Zero)
±2
±1
LSB
BIPOLAR OFFSET (Adjustable to Zero)
±4
±2
LSB
FULL-SCALE CALIBRATION ERROR
(With Fixed 50
Resistor from REF OUT to REF IN)
(Adjustable to Zero)
0.25
0.125
% of FS
TEMPERATURE RANGE
–55
+125
–55
+125
–55
+125
°C
TEMPERATURE COEFFICIENTS
(Using Internal Reference)
(TMIN to TMAX)
Unipolar Offset
±2 (5)
±1 (2.5)
LSB (ppm/
°C)
Bipolar Offset
±4 (10)
±2 (5)
±1 (2.5)
LSB (ppm/
°C)
Full-Scale Calibration
±20 (50)
±10 (25)
±5 (12.5) LSB (ppm/°C)
POWER SUPPLY REJECTION
Max Change in Full-Scale Calibration
VCC = 15 V ± 1.5 V or 12 V ± 0.6 V
±2
±1
LSB
VLOGIC = 5 V ± 0.5 V
±1/2
LSB
VEE = –15 V ± 1.5 V or –12 V ± 0.6 V
±2
±1
LSB
ANALOG INPUT
Input Ranges
Bipolar
–5
+5
–5
+5
–5
+5
Volts
–10
+10
–10
+10
–10
+10
Volts
Unipolar
0
+10
0
+10
0
+10
Volts
0
+20
0
+20
0
+20
Volts
Input Impedance
10 Volt Span
3
5
7
3
5
7
3
5
7
k
20 Volt Span
6
10
14
6
10
14
6
10
14
k
DIGITAL CHARACTERISTICS
1 (T
MIN–TMAX)
Inputs
2 (CE, CS, R/C, A
0)
Logic “1” Voltage
+2.0
+5.5
+2.0
+5.5
+2.0
+5.5
Volts
Logic “0” Voltage
–0.5
+0.8
–0.5
+0.8
–0.5
+0.8
Volts
Current
–20
+20
–20
+20
–20
+20
A
Capacitance
5
pF
Output (DB11–DB0, STS)
Logic “1” Voltage (ISOURCE ≤ 500 A)
+2.4
Volts
Logic “0” Voltage (ISINK ≤ 1.6 mA)
+0.4
Volts
Leakage (DB11–DB0, High-Z State)
–20
+20
–20
+20
–20
+20
A
Capacitance
5
pF
POWER SUPPLIES
Operating Range
VLOGIC
+4.5
+5.5
+4.5
+5.5
+4.5
+5.5
Volts
VCC
+11.4
+16.5
+11.4
+16.5
+11.4
+16.5
Volts
VEE
–11.4
–16.5
–11.4
–16.5
–11.4
–16.5
Volts
Operating Current
ILOGIC
30
40
30
40
30
40
mA
ICC
25
2
5
mA
IEE
18
30
18
30
18
30
mA
POWER DISSIPATION
390
725
390
725
390
725
mW
INTERNAL REFERENCE VOLTAGE
9.98
10.0
10.02
9.98
10.0
10.02
9.99
10.0
10.01
Volts
Output Current (Available for External Loads)
3
1.5
mA
(External Load Should not Change During Conversion)
PACKAGE OPTION
4
Ceramic (D-28)
AD574ASD
AD574ATD
AD574AUD
NOTES
1Detailed Timing Specifications appear in the Timing Section.
212/8 Input is not TTL-compatible and must be hard wired to V
LOGIC or Digital Common.
3The reference should be buffered for operation on
±12 V supplies.
4D = Ceramic DIP.
Specifications subject to change without notice.
AD574A
REV. B
–3–
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