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參數(shù)資料
| 型號： | AD7538KRZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 10/16頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 14BIT W/BUFF 24-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 產(chǎn)品變化通告： | Product Discontinuance 27/Oct/2011 |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 設(shè)置時間： | 1.5µs |
| 位數(shù)： | 14 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 1W |
| 工作溫度： | 0°C ~ 70°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) |
| 輸出數(shù)目和類型： | 1 電流，單極；1 電流，雙極 |
| 采樣率（每秒）： | 667k |
AD7538
Rev. B | Page 3 of 16
SPECIFICATIONS
VDD = 11.4 V to 15.75 V1, VREF = 10 V; VPIN3 = VPIN4 = 0 V, VSS = 300 mV; all specifications TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter2
A, J
Versions
B, K
Versions
S Version
T Version
Unit
Test Conditions/Comments
ACCURACY
Resolution
14
Bits
Relative Accuracy
±2
±1
±2
±1
LSB max
All grades guaranteed
monotonic
Differential Nonlinearity
±1
LSB max
Over temperature
Full-Scale Error
Measured using internal RFB DAC
+25°C
±4
LSB max
Registers loaded with all 1s
TMIN to TMAX
±8
±5
±10
±6
LSB max
Gain Temperature Coefficient3;
ΔGain/ΔTemperature
±2
ppm/°C typ
Output Leakage Current
IOUT (Pin 3)
25°C
±5
nA max
All digital inputs 0 V
TMIN to TMAX
±10
±20
nA max
VSS = –300 mV
TMIN to TMAX
±25
±150
nA max
VSS = 0 V
REFERENCE INPUT
Input Resistance (Pin 1)
3.5
kΩ min
Typical input resistance = 6 kΩ
10
kΩ max
DIGITAL INPUTS
VIH (Input High Voltage)
2.4
V min
VIL (Input Low Voltage)
0.8
V max
IIN (Input Current)
25°C
±1
μA max
VIN = 0 V or VDD
TMIN to TMAX
±10
μA max
7
pF max
POWER SUPPLY
VDD Range
11.4/15.75
V min/V max
Specification guaranteed over
this range
VSS Range
200/500
mV min/
mV max
Specification guaranteed over
this range
IDD
4
mA max
All digital inputs are VIL or VIH
500
μA max
All digital inputs are 0 V or VDD
1 Specifications are guaranteed for a VDD of 11.4 V to 15.75 V. At VDD = 5 V, the device is fully functional with degraded specifications.
2 Temperature range as follows: J, K Versions: 0°C to +70°C
A, B Versions: 25°C to +85°C
S, T Versions: 55°C to +125°C
3 Sample tested to ensure compliance.
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