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參數(shù)資料
型號(hào): AD7787BRMZ-RL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 15/20頁(yè)
文件大小: 0K
描述: IC ADC 24BIT 2CH LP SIG 10MSOP
標(biāo)準(zhǔn)包裝: 3,000
位數(shù): 24
采樣率(每秒): 120
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): 225µW
電壓電源: 單電源
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 10-MSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)單端,單極;1 個(gè)單端,雙極;1 個(gè)差分,單極;1 個(gè)差分,雙極
AD7787
Data Sheet
Rev. A | Page 4 of 20
Parameter
AD7787B
Unit
Test Conditions/Comments
LOGIC INPUTS
All Inputs Except SCLK1
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)1
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(+)
0.9/2
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.
Input Currents
±1
A max
VIN = VDD or GND.
Input Capacitance
10
pF typ
All Digital Inputs.
LOGIC OUTPUTS
VOH, Output High Voltage1
VDD 0.6
V min
VDD = 3 V, ISOURCE = 100 A.
VOL, Output Low Voltage1
0.4
V max
VDD = 3 V, ISINK = 100 A.
VOH, Output High Voltage1
4
V min
VDD = 5 V, ISOURCE = 200 A.
VOL, Output Low Voltage1
0.4
V max
VDD = 5 V, ISINK = 1.6 mA.
Floating-State Leakage Current
±1
A max
Floating-State Output Capacitance
10
pF typ
Data Output Coding
Offset Binary
POWER REQUIREMENTS5
Power Supply Voltage
VDD GND
2.5/5.25
V min/max
Power Supply Currents
IDD Current6
75
A max
65 A typ, VDD = 3.6 V, unbuffered mode.
145
A max
130 A typ, VDD = 3.6 V, buffered mode.
80
A max
73 A typ, VDD = 5.25 V, unbuffered mode.
160
A max
145 A typ, VDD = 5.25 V, buffered mode.
IDD (Power-Down Mode)
1
A max
1
Specification is not production tested but is supported by characterization data at initial product release.
2
Full-scale error applies to both positive and negative full scale and applies at the factory calibration conditions (VDD = 4 V).
3
The AD7787 can tolerate absolute analog input voltages down to GND 200 mV but the leakage current will increase.
4
FS[2:0] are the three bits used in the filter register to select the output word rate.
5
Digital inputs equal to VDD or GND.
6
The current consumption can be further reduced by using the ADC in one of the low power modes (see Table 14).
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