ADC104S021

更新时间： 2024-01-11 13:14:34

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器
页数	文件大小	规格书
19页	905K
描述
4 Channel, 200 kSPS, 12-Bit A/D Converter

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技术参数
数据手册

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ADC104S021 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.72	转换器类型：	ADC, SUCCESSIVE APPROXIMATION
输出位码：	OFFSET BINARY	Base Number Matches：	1

ADC104S021 数据手册

ADC124S021 Converter Electrical Characteristics (Note 9) (Continued)

The following specifications apply for V_A= +2.7V to 5.25V, GND = 0V, f_SCLK= 0.8 MHz to 3.2 MHz, f_SAMPLE= 50 kSPS to 200

kSPS, C_L= 35 pF, unless otherwise noted. Boldface limits apply for T_A= T_MINto T_MAX: all other limits T_A= 25˚C.

Limits

(Note 7)

Symbol

Parameter

Conditions

Typical

Units

ANALOG INPUT CHARACTERISTICS

V_IN

Input Range

0 to V_A

0.02

µA (max)

I_DCL

DC Leakage Current

Track Mode

Hold Mode

C_INA

Input Capacitance

DIGITAL INPUT CHARACTERISTICS

V_A= +5.25V

V_A= +3.6V

2.4

2.1

0.8

V (min)

V_IH

Input High Voltage

V_IL

Input Low Voltage

Input Current

V (max)

µA (max)

pF (max)

I_IN

V_IN= 0V or V_A

0.02

C_IND

Digital Input Capacitance

DIGITAL OUTPUT CHARACTERISTICS

I_SOURCE= 200 µA

I_SOURCE= 1 mA

I_SINK= 200 µA

I_SINK= 1 mA

V_A− 0.03

V_A− 0.1

0.02

V_A− 0.5

0.4

V (min)

V_OH

V_OL

Output High Voltage

V (max)

Output Low Voltage

0.1

I_OZH

I_OZL

C_OUT

TRI-STATE^®Leakage Current

0.01

µA (max)

pF (max)

TRI-STATE^®Output Capacitance

Output Coding

Straight (Natural) Binary

POWER SUPPLY CHARACTERISTICS (C_L= 10 pF)

2.7

V (min)

V_A

Supply Voltage

5.25

V (max)

V_A= +5.25V

1.5

0.62

2.1

1.0

mA (max)

f_SAMPLE= 200 kSPS, f_IN= 39.9 kHz

V_A= +3.6V,

Supply Current, Normal Mode

(Operational, CS low)

mA (max)

f_SAMPLE= 200 kSPS, f_IN= 39.9 kHz

V_A= +5.25V

I_A

f_SAMPLE= 0 kSPS

V_A= +3.6V,

Supply Current, Shutdown (CS high)

f_SAMPLE= 0 kSPS

V_A= +5.25V

7.9

2.2

11.0

3.6

mW (max)

µW

Power Consumption, Normal Mode

(Operational, CS low)

V_A= +3.6V,

P_D

V_A= +5.25V

0.32

0.14

Power Consumption, Shutdown (CS

high)

V_A= +3.6V,

µW

AC ELECTRICAL CHARACTERISTICS

0.8

3.2

200

MHz (min)

MHz (max)

kSPS (min)

kSPS (max)

SCLK cycles

% (min)

f_SCLK

Maximum Clock Frequency

(Note 8)

f_S

Sample Rate

t_CONV

Conversion Time

SCLK Duty Cycle

f_SCLK= 3.2 MHz

% (max)

t_ACQ

Track/Hold Acquisition Time

Throughput Time

Full-Scale Step Input

SCLK cycles

Acquisition Time + Conversion Time

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