MAX5166

更新时间： 2024-01-09 20:44:22

品牌	Logo	应用领域
美信 - MAXIM		放大器
页数	文件大小	规格书
12页	178K
描述
32-Channel Sample/Hold Amplifier with Four Multiplexed Inputs

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技术参数
数据手册

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MAX5166 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	QFP	包装说明：	TQFP-48
针数：	48	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.33.00.01
风险等级：	5.91	Is Samacsys：	N
最长采集时间：	4 µs	标称采集时间：	2.5 µs
放大器类型：	SAMPLE AND HOLD CIRCUIT	最大模拟输入电压：	7 V
最小模拟输入电压：	-4 V	最大下降率：	0.04 V/s
JESD-30 代码：	S-PQFP-G48	JESD-609代码：	e0
长度：	7 mm	湿度敏感等级：	1
标称负供电电压 (Vsup)：	-5 V	功能数量：	1
端子数量：	48	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	LFQFP	封装等效代码：	QFP48,.35SQ,20
封装形状：	SQUARE	封装形式：	FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度（摄氏度）：	245	电源：	10,-5,5 V
认证状态：	Not Qualified	采样并保持/跟踪并保持：	SAMPLE
座面最大高度：	1.6 mm	子类别：	Sample and Hold Circuits
标称供电电压 (Vsup)：	10 V	表面贴装：	YES
技术：	BICMOS	温度等级：	INDUSTRIAL
端子面层：	Tin/Lead (Sn85Pb15)	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	7 mm
Base Number Matches：	1

MAX5166 数据手册

32-Channel Sample/Hold Amplifier

with Four Multiplexed Inputs

Table 1. Output Selection

ADDRESS

OUTPUT SELECTED

MUX0

OUT0

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

OUT7

MUX1

OUT8

MUX2

OUT16

OUT17

OUT18

OUT19

OUT20

OUT21

OUT22

OUT23

MUX3

OUT24

OUT25

OUT26

OUT27

OUT28

OUT29

OUT30

OUT31

OUT9

OUT10

OUT11

OUT12

OUT13

OUT14

OUT15

0 = Logic Low, 1 = Logic High

Note: Output loads increase the analog supply cur-

rent (I and I ). Excessive loading of the output(s)

damages the device by consuming more power than

the device will dissipate (see Absolute Maximum

Ratings). The resistor-divider formed by the output

Table 2. Mode Selection

MODE-SELECT

INPUTS* (M3–M0)

ACTION

Sample mode enabled on selected

analog multiplexer and channel

(Table 1).

resistor (ꢀ

) and load impedance (ꢀ ) scales the

SAMP

) as follows:

OUT_

sampled voltage (V

). Determine the output volt-

age (V

OUT_

Hold mode enabled on selected

analog multiplexer and channel

(Table 1).

Voltage Gain = A = ꢀ /(ꢀ + ꢀ

)

OUT

OUT_

= V · A

SAMP V

The maximum output voltage range depends on the

analog supply voltages available and the scaling factor

used:

0 = Logic Low, 1 = Logic High

* Only one M_ input asserted low; all others must be logic high

to meet the timing specification (see Single vs. Simultaneous

Sampling).

(V + 0.75V) · A

OUT_

(V - 2.4V) · A

DD V

when ꢀ = , then A = 1, and this equation becomes

Hold Step

When switching between sample mode and hold

mode, the voltage of the hold capacitor changes due to

charge injection from stray capacitance. This voltage

change, called hold step, is minimized by limiting the

amount of stray capacitance seen by the hold capaci-

tor. The MAX5166 limits the hold step to 0.25mV (typ).

An output capacitor to ground can be used to filter out

this small hold-step error.

(V + 0.75V)

- 2.4V).

OUT

Timing Definitions

Acquisition time (t ) is the amount of time the

MAX5166 must remain in sample mode for the hold

capacitor to acquire an accurate sample. The hold-

mode settling time (t ) is the amount of time necessary

for the output voltage to settle to its final value.

Aperture delay (t ) is the time interval required to dis-

connect the input from the hold capacitor. The inhibit

Output

The MAX5166 contains an output buffer for each multi-

plexer channel (32 total), so the hold capacitor sees a

high-impedance input, reducing the droop rate. While

in hold mode, the hold capacitor discharges at a rate of

1mV/sec (typ). The buffer also provides a low output

impedance; however, the device contains output resis-

tors in series with the buffer output (Figure 1) for select-

ed output filtering. To provide greater design flexibility,

pulse width (t ) is the amount of time the MAX5166

must remain in hold mode while the address is

changed. The data setup time (t ) is the amount of

time an address must be maintained before the

address becomes valid. The data hold time (t ) is the

amount of time an address must be maintained after

mode select has gone from low to high (Figure 2).

the MAX5166 is available with an ꢀ of 50 , 500 , or

1k .

_______________________________________________________________________________________

1...4 5 678 9 10...12

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与MAX5166相关器件

型号	品牌	描述	获取价格	数据表
MAX5166LCCM	MAXIM	32-Channel Sample/Hold Amplifier with Four Multiplexed Inputs	获取价格
MAX5166LCCM+	MAXIM	Sample and Hold Circuit, 1 Func, Sample, 2.5us Acquisition Time, BICMOS, PQFP48, TQFP-48	获取价格
MAX5166LCCM+T	MAXIM	Sample and Hold Circuit, 1 Func, Sample, 2.5us Acquisition Time, BICMOS, PQFP48, TQFP-48	获取价格
MAX5166LECM	MAXIM	32-Channel Sample/Hold Amplifier with Four Multiplexed Inputs	获取价格
MAX5166LECM+T	MAXIM	Sample and Hold Circuit, 1 Func, Sample, 2.5us Acquisition Time, BICMOS, PQFP48, TQFP-48	获取价格
MAX5166MCCM	MAXIM	32-Channel Sample/Hold Amplifier with Four Multiplexed Inputs	获取价格

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