参数资料
型号: AD7904BRUZ-REEL7
厂商: Analog Devices Inc
文件页数: 27/32页
文件大小: 0K
描述: IC ADC 8BIT 4CH W/SEQ 16TSSOP
标准包装: 1,000
位数: 8
采样率(每秒): 1M
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 13.5mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 带卷 (TR)
输入数目和类型: 4 个单端,单极
配用: EVAL-AD79X4CBZ-ND - BOARD EVALUATION FOR AD79X4CBZ
AD7904/AD7914/AD7924
Data Sheet
Rev. C | Page 4 of 32
Parameter
B Version1
Unit
Test Conditions/Comments
LOGIC OUTPUTS
Output High Voltage, VOH
VDRIVE 0.2
V min
ISOURCE = 200 μA, AVDD = 2.7 V to 5.25 V
Output Low Voltage, VOL
0.4
V max
ISINK = 200 μA
Floating-State Leakage Current
±1
μA max
Floating-State Output Capacitance3
10
pF max
Output Coding
Straight (natural) binary
CODING bit set to 1
Twos complement
CODING bit set to 0
CONVERSION RATE
Conversion Time
800
ns max
16 SCLK cycles with SCLK at 20 MHz
Track-and-Hold Acquisition Time2
300
ns max
Sine wave input
300
ns max
Full-scale step input
Throughput Rate
1
MSPS max
POWER REQUIREMENTS
VDD
2.7/5.25
V min/V max
VDRIVE
2.7/5.25
V min/V max
Digital inputs = 0 V or VDRIVE
Normal Mode (Static)
600
μA typ
AVDD = 2.7 V to 5.25 V, SCLK on or off
Normal Mode (Operational)
2.7
mA max
AVDD = 4.75 V to 5.25 V, fSCLK = 20 MHz
2
mA max
AVDD = 2.7 V to 3.6 V, fSCLK = 20 MHz
Auto Shutdown Mode
960
μA typ
fSAMPLE = 250 kSPS
0.5
μA max
Static
Full Shutdown Mode
0.5
μA max
SCLK on or off (20 nA typ)
Power Dissipation4
Normal Mode (Operational)
13.5
mW max
AVDD = 5 V, fSCLK = 20 MHz
6
mW max
AVDD = 3 V, fSCLK = 20 MHz
Auto Shutdown Mode (Static)
2.5
μW max
AVDD = 5 V
1.5
μW max
AVDD = 3 V
Full Shutdown Mode
2.5
μW max
AVDD = 5 V
1.5
μW max
AVDD = 3 V
1
Temperature range for B versions: 40°C to +85°C.
2
See the Terminology section.
3
Sample tested @ 25°C to ensure compliance.
4
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