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參數資料
| 型號： | AD7943AN-B |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | +3.3 V/+5 V Multiplying 12-Bit DACs |
| 中文描述： | SERIAL INPUT LOADING, 5 us SETTLING TIME, 12-BIT DAC, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數： | 4/16頁 |
| 文件大小： | 329K |
| 代理商： | AD7943AN-B |
AD7943/AD7945/AD7948
AC PERFORMANCE CHARACTERISTICS
NORMAL MODE
(AD7943: V
DD
= +4.5 V to +5.5 V; V
IOUT1
= V
IOUT2
= AGND = 0 V. AD7945, AD7948: V
DD
= +4.5 V to +5.5 V; V
IOUT1
=AGND =
0 V. V
REF
= 6 V rms, 1 kHz sine wave; T
A
= T
MIN
to T
MAX
; DAC output op amp is AD843; unless otherwise noted.) These characteristics are in-
cluded for Design Guidance and are not subject to test.
REV. B
–4–
Parameter
B Grades
T Grade
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time
600
700
ns typ
To 0.01% of Full-Scale Range. V
REF
=
+10 V; DAC Latch Alternately Loaded with
All 0s and All 1s
Measured with V
REF
= 0 V. DAC Latch
Alternately Loaded with All 0s and All 1s
DAC Latch Loaded with All 0s
All 1s Loaded to DAC
All 0s Loaded to DAC
Feedthrough to the DAC Output with
LD1
,
LD2
High and Alternate Loading of All 0s
and All 1s into the Input Shift Register
Feedthrough to the DAC Output with
CS
High and Alternate Loading of All 0s and
All 1s to the DAC Bus
Digital to Analog Glitch Impulse
60
60
nV-s typ
Multiplying Feedthrough Error
Output Capacitance
–75
60
30
5
–75
60
30
5
dB max
pF max
pF max
nV-s typ
Digital Feedthrough (AD7943)
Digital Feedthrough (AD7945, AD7948) 5
5
nV-s typ
Total Harmonic Distortion
Output Noise Spectral Density
@ 1 kHz
–83
–83
dB typ
35
35
nV/
√
Hz
typ
All 1s Loaded to DAC. V
REF
= 0 V. Output
Op Amp Is OP07
Specifications subject to change without notice.
AC PERFORMANCE CHARACTERISTICS
BIASED MODE
(AD7943: V
DD
= +3 V to +5.5 V; V
IOUT1
= V
IOUT2
= AGND = 1.23 V. AD7945, AD7948: V
DD
= +3 V to +5.5 V; V
IOUT1
= AGND =
1.23 V. V
REF
= 1 kHz, 2.45 V p-p, sine wave biased at 1.23 V; DAC output op amp is AD820; T
A
= T
MIN
to T
MAX
; unless otherwise noted.) These
characteristics are included for Design Guidance and are not subject to test.
Parameter
A Grades
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time
5
μ
s typ
To 0.01% of Full-Scale Range. V
REF
= 0 V
DAC Latch Alternately Loaded with All 0s and All 1s
V
REF
= 1.23 V. DAC Register Alternately Loaded
with All 0s and All 1s
DAC Latch Loaded with All 0s
All 1s Loaded to DAC
All 0s Loaded to DAC
Feedthrough to the DAC Output with
LD1
,
LD2
High and Alternate Loading of All 0s and All 1s
into the Input Shift Register
Feedthrough to the DAC Output with CS High
and Alternate Loading of All 0s and All 1s to the
DAC Bus
Digital to Analog Glitch Impulse
60
nV-s typ
Multiplying Feedthrough Error
Output Capacitance
–75
60
30
5
dB max
pF max
pF max
nV-s typ
Digital Feedthrough
Digital Feedthrough (AD7945, AD7948)
5
nV-s typ
Total Harmonic Distortion
Output Noise Spectral Density
@ 1 kHz
–83
dB typ
25
nV/
√
Hz
typ
All 1s Loaded to DAC. V
REF
= 1.23 V
Specifications subject to change without notice.
相關PDF資料 |
PDF描述 |
|---|---|
| AD7945AN-B | +3.3 V/+5 V Multiplying 12-Bit DACs |
| AD7948AN-B | +3.3 V/+5 V Multiplying 12-Bit DACs |
| AD7948 | +3.3 V/+5 V Multiplying 12-Bit DACs |
| AD7948BN | +3.3 V/+5 V Multiplying 12-Bit DACs |
| AD7948BR | +3.3 V/+5 V Multiplying 12-Bit DACs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7943ANZ-B | 功能描述:IC DAC 12BIT MULT SRL 16DIP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:47 系列:- 設置時間:2µs 位數:14 數據接口:并聯 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:管件 輸出數目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| AD7943ARSB | 制造商:Analog Devices 功能描述: |
| AD7943ARS-B | 功能描述:IC DAC 12BIT MULT SRL 20-SSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:47 系列:- 設置時間:2µs 位數:14 數據接口:并聯 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:管件 輸出數目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| AD7943ARS-BREEL | 功能描述:IC DAC 12BIT MULT SRL 20-SSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:2,400 系列:- 設置時間:- 位數:18 數據接口:串行 轉換器數目:3 電壓電源:模擬和數字 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:36-TFBGA 供應商設備封裝:36-TFBGA 包裝:帶卷 (TR) 輸出數目和類型:* 采樣率（每秒）:* |
| AD7943ARS-REEL | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
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