參數(shù)資料
型號(hào)： AD7876BRZ-REEL7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 24/28頁(yè)
文件大小： 0K
描述： IC ADC 12BIT SAMPLING 10V 24SOIC
產(chǎn)品變化通告： Conversion Time Change
標(biāo)準(zhǔn)包裝： 400
位數(shù)： 12
采樣率（每秒）： 100k
數(shù)據(jù)接口： 串行，并聯(lián)
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 95mW
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： 24-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 24-SOIC W
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 1 個(gè)單端，雙極
AD7870/AD7875/AD7876
Rev. C | Page 5 of
28
Parameter
AD7875/AD78761
Units
Test Conditions/Comments
K, B
L, C
T
ANALOG INPUT
AD7875 Input Voltage Range
0 to +5
V
AD7875 Input Current
500
μA max
AD7876 Input Voltage Range
±10
V
AD7876 Input Current
±600
μA max
REFERENCE OUTPUT
REF OUT @ +25°C
2.99
V min
3.01
V max
REF OUT Tempco
±60
±35
±60
ppm/°C max
Typical tempco Is ±20 ppm/°C
Reference Load Sensitivity
(ΔREF OUT/ΔI)
1
mV max
Reference load current change (0 μA to 500 μA).
Reference load should not be changed during
conversion.
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
VDD = 5 V ± 5%
Input Low Voltage, VINL
0.8
V max
VDD = 5 V ± 5%
Input Current, IIN
±10
μA max
VIN = 0 V to VDD
Input Current (12/8/CLK Input Only)
±10
μA max
VIN = VSS to VDD
Input Capacitance, CIN5
10
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
4.0
V min
ISOURCE = 40 mA
Output Low Voltage, VOL
0.4
V max
ISINK = 1.6 mA
DB11–DB0
Floating-State Leakage Current
10
μA max
Floating-State Output
Capacitance5
15
pF max
CONVERSION TIME
External Clock (fCLK = 2.5 MHz)
8
μs max
Internal Clock
6.5/9
μs min/μs
max
POWER REQUIREMENTS
As per AD7870
Refer to the power requirements in Table 1.
1 For the AD7875, the temperature range for the K and L versions is from 0°C to +70°C; for the B and C versions is40°C to +85°C; and for the T version is 55°C to
+125°C. For the AD7876, the temperature range for the B and C versions is from 40°C to +85°C and for the T version is55°C to +125°C.
2 Includes internal reference error and is calculated after unipolar offset error (AD7875) or bipolar zero error (AD7876) has been adjusted out. Full-scale error refers to
both positive and negative full-scale error for the AD7876.
3 Dynamic performance parameters are not tested on the AD7876, but these are typically the same as for the AD7875.
4 SNR calculation includes distortion and noise components.
5 Sample tested @ +25°C to ensure compliance.
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