A Version1 B Version
參數(shù)資料
型號(hào): AD7453BRTZ-REEL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 17/21頁(yè)
文件大?。?/td> 0K
描述: IC ADC 12BIT W/DIFF INP SOT23-8
設(shè)計(jì)資源: Measuring -48 V High-Side Current Using AD629, AD8603, AD780, and AD7453 (CN0100)
標(biāo)準(zhǔn)包裝: 3,000
位數(shù): 12
采樣率(每秒): 555k
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): 7.25mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: SOT-23-8
供應(yīng)商設(shè)備封裝: SOT-23-8
包裝: 帶卷 (TR)
輸入數(shù)目和類(lèi)型: 1 個(gè)偽差分,雙極
AD7453
Rev. B | Page 4 of 20
Parameter
Test Conditions/Comments
A Version1
B Version1
Unit
CONVERSION RATE
Conversion Time
1.6 s with a 10 MHz SCLK
16
SCLK cycles
Track-and-Hold Acquisition Time2
Sine wave input
250
ns max
Full-scale step input
290
ns max
Throughput Rate
555
kSPS max
POWER REQUIREMENTS
VDD
2.7/5.25
V min/max
IDD7, 8
Normal Mode (Static)
SCLK on or off
0.5
mA typ
Normal Mode (Operational)
VDD = 4.75 V to 5.25 V
1.5
mA max
VDD= 2.7 V to 3.6 V
1.2
mA max
Full Power-Down Mode
SCLK on or off
1
A max
Power Dissipation
Normal Mode (Operational)
VDD = 5 V; 1.55 mW typ for 100 kSPS7
7.25
mW max
VDD = 3 V; 0.64 mW typ for 100 kSPS7
3.3
mW max
Full Power-Down Mode
VDD = 5 V; SCLK on or off
5
W max
VDD = 3 V; SCLK on or off
3
W max
1 Temperature ranges as follows: A, B versions: –40°C to +85°C.
2 See
section.
Terminology
3 Analog inputs with slew rates exceeding 27 V/s (full-scale input sine wave > 3.5 MHz) within the acquisition time may cause an incorrect result to be returned by the
converter.
4 A small dc input is applied to VIN– to provide a pseudo ground for VIN+.
5 The AD7453 is functional with a reference input in the range 100 mV to VDD.
6 Guaranteed by characterization.
7 See
section.
Power vs. Throughput Rate
8 Measured with a full-scale dc input.
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