ADS4245 datasheet(9/67 Pages) TI1

tên linh kiện	ADS4245

Giải thích chi tiết về linh kiện	Dual-Channel, 12-Bit, 250-MSPS Ultralow-Power ADC

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CLKOUT

Output

Data

Dn

(1)

DAn,

DBn

CL M

K

CL P

K

Output

Clock

Input

Clock

t

SU

t

H

t

PDI

ADS4229

www.ti.com

SBAS550B – JUNE 2011 – REVISED AUGUST 2012

Table 3. LVDS Timings at Lower Sampling Frequencies

tPDI, CLOCK PROPAGATION

SAMPLING

SETUP TIME (ns)

HOLD TIME (ns)

DELAY (ns)

FREQUENCY

(MSPS)

MIN

TYP

MAX

MIN

TYP

MAX

MIN

TYP

MAX

65

5.9

6.6

0.35

0.6

5.0

6.0

7.5

80

4.5

5.2

0.35

0.6

5.0

6.0

7.5

125

2.3

2.9

0.35

0.6

5.0

6.0

7.5

160

1.5

2

0.33

0.55

5.0

6.0

7.5

185

1.3

1.6

0.33

0.55

5.0

6.0

7.5

200

1.1

1.4

0.33

0.55

5.0

6.0

7.5

230

0.76

1.06

0.33

0.55

5.0

6.0

7.5

Table 4. CMOS Timings at Lower Sampling Frequencies

TIMINGS SPECIFIED WITH RESPECT TO CLKOUT

SAMPLING

tPDI, CLOCK PROPAGATION

FREQUENCY

SETUP TIME(1) (ns)

HOLD TIME(1) (ns)

DELAY (ns)

(MSPS)

MIN

TYP

MAX

MIN

TYP

MAX

MIN

TYP

MAX

65

6.1

6.7

7.5

4.5

6.2

8.5

80

4.7

5.2

5.3

6

4.5

6.2

8.5

125

2.7

3.1

3.6

4.5

6.2

8.5

160

1.6

2.1

2.3

2.8

4.5

6.2

8.5

185

1.1

1.6

1.9

2.4

4.5

6.2

8.5

200

1

1.4

1.7

2.2

4.5

6.2

8.5

(1)

In CMOS mode, setup time is measured from the beginning of data valid to 50% of the CLKOUT rising edge, whereas hold time is

measured from 50% of the CLKOUT rising edge to data becoming invalid. Data valid refers to a logic high of 1.26 V and a logic low of

0.54 V.

(1) Dn = bits D0, D1, D2, etc. of channels A and B.

Figure 2. CMOS Interface Timing Diagram

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Số phần tương tự - ADS4245

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	ADS4245	3Mb / 97P	[Old version datasheet] Dual-Channel, 12-/14-Bit, 65/125/160MSPS Ultralow-Power ADC MARCH2011
	ADS4245	3Mb / 104P	[Old version datasheet] Dual-Channel, 14-/12-Bit, 160/125/65MSPS Ultralow-Power ADC
	ADS4245	902Kb / 66P	[Old version datasheet] Dual-Channel, 14-Bit, 250-MSPS Ultralow-Power ADC with Analog Input Buffer
	ADS4245	4Mb / 105P	[Old version datasheet] Dual-Channel, 14-/12-Bit, 160/125/65MSPS Ultralow-Power ADC
	ADS4245-EP	1Mb / 63P	[Old version datasheet] ADS4245-EP Dual-Channel, 14-Bit, 125MSPS Ultralow-Power ADC

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Mô tả tương tự - ADS4245

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	ADS4229	1Mb / 67P	[Old version datasheet] Dual-Channel, 12-Bit, 250-MSPS Ultralow-Power ADC
	ADS4229	1Mb / 67P	[Old version datasheet] Dual-Channel, 12-Bit, 250-MSPS Ultralow-Power ADC OCTOBER2011
	ADS4229	1Mb / 67P	[Old version datasheet] Dual-Channel, 12-Bit, 250-MSPS Ultralow-Power ADC
	ADS4249	1Mb / 67P	[Old version datasheet] Dual-Channel, 14-Bit, 250-MSPS Ultralow-Power ADC
	ADS4249	1Mb / 74P	[Old version datasheet] Dual-Channel, 14-Bit, 250-MSPS Ultralow-Power ADC
	ADS42B49	1Mb / 65P	[Old version datasheet] 250-MSPS Ultralow-Power ADC
	ADS4128	1Mb / 62P	[Old version datasheet] 12-Bit, 200-MSPS, Ultralow-Power ADC
	ADS4128	2Mb / 57P	[Old version datasheet] 12-Bit, 200-MSPS, Ultralow-Power ADC
	ADS4128	1Mb / 61P	[Old version datasheet] 12-Bit, 200-MSPS, Ultralow-Power ADC
	ADS4222	3Mb / 88P	[Old version datasheet] Dual-Channel, 14-/12-Bit, 160/125/65 MSPS Ultralow-Power ADC

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