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參數(shù)資料
| 型號(hào)： | EVAL-AD7783EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD7783 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 24 |
| 采樣率（每秒）： | 32k |
| 數(shù)據(jù)接口： | SPI?、QSPI?、MICROWIRE? 和 DSP |
| 輸入范圍： | ±2.56 V |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7783 |
| 已供物品： | 板 |
AD7783
–3–
Parameter
AD7783B
Unit
Test Conditions
LOGIC INPUTS
All Inputs Except SCLK and XTAL1
2
VINL, Input Low Voltage
0.8
V max
VDD = 5 V
0.4
V max
VDD = 3 V
VINH, Input High Voltage
2.0
V min
VDD = 3 V or 5 V
SCLK Only (Schmitt-Triggered Input)
2
VT(+)
1.4/2
V min/V max
VDD = 5 V
VT(–)
0.8/1.4
V min/V max
VDD = 5 V
VT(+) – VT(–)
0.3/0.85
V min/V max
VDD = 5 V
VT(+)
0.95/2
V min/V max
VDD = 3 V
VT(–)
0.4/1.1
V min/V max
VDD = 3 V
VT(+) – VT(–)
0.3/0.85
V min/V max
VDD = 3 V
XTAL1 Only
2
VINL, Input Low Voltage
0.8
V max
VDD = 5 V
VINH, Input High Voltage
3.5
V min
VDD = 5 V
VINL, Input Low Voltage
0.4
V max
VDD = 3 V
VINH, Input High Voltage
2.5
V min
VDD = 3 V
Input Currents
±1
mA max
VIN = VDD
–70
mA max
VIN = GND, Typically –40
mA at 5 V and
–20
mA at 3 V
Input Capacitance
10
pF typ
All Digital Inputs
LOGIC OUTPUTS (Excluding XTAL2)
VOH, Output High Voltage
2
VDD – 0.6
V min
VDD = 3 V, ISOURCE = 100
mA
VOL, Output Low Voltage
2
0.4
V max
VDD = 3 V, ISINK = 100
mA
VOH, Output High Voltage
2
4V min
VDD = 5 V, ISOURCE = 200
mA
VOL, Output Low Voltage
2
0.4
V max
VDD = 5 V, ISINK = 1.6 mA
Floating-State Leakage Current
±10
mA max
Floating-State Output Capacitance
±10
pF typ
Data Output Coding
Offset Binary
START-UP TIME
From Power-On
300
ms typ
POWER REQUIREMENTS
Power Supply Voltage
VDD – GND
2.7/3.6
V min/V max
VDD = 3 V nom
4.75/5.25
V min/V max
VDD = 5 V nom
Power Supply Currents
IDD Current (Normal Mode)
4
1.5
mA max
VDD = 3 V, 1.3 mA typ
1.7
mA max
VDD = 5 V, 1.5 mA typ
IDD (Power-Down Mode, CS = 1)
9
mA max
VDD = 3 V, 6
mA typ
24
mA max
VDD = 5 V, 20
mA typ
NOTES
1Temperature range –40
∞C to +85∞C.
2Guaranteed by design and/or characterization data on production release.
3When a 28.8 kHz crystal is used, normal-mode rejection is improved so that the rejection equals 75 dB at 50 Hz
±1 Hz and equals 66 dB at 60 Hz ±1 Hz.
4Normal mode refers to the case where the ADC is running.
Specifications subject to change without notice.
REV. C
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