SP4307 SIPAT | Alldatasheet

Document overview

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Technical content

Features

Attenuation: 0.5 dB steps to 15.5 dB Flexible parallel and serial programming interfaces Latched or direct mode Unique power-up state selection Positive CMOS control logic High attenuation accuracy and linearity over temperature and frequency Very low power consumption Single-supply operation 75 Ω impedance Pin compatible with SP430x series Packaged in a 20 Lead 4x4 mm QFN Table 1. Electrical Specifications @ +25°C, V

  1. Max input rating in Table 3 & Figures on Pages 4 to 6 for data across frequency.
  2. Note Absolute Maximum in Table 3.
  3. Measured in a 50 Ω system.

Figure 2. Package Type

20 Lead 4x4 mm QFN

Table 2. Pin Descriptions exceeding the rate specified in Table 3. disable internal negative voltage generator.

  1. Place a 10 kΩ resistor in series, as close to pin as possible

Figure 15. Pin Configuration (Top View) devices are immune to latch-up. The SP4307 has a maximum 25 kHz switching rate.

1 N/C No connect

3 Data Serial interface data input (Note 4). 4 Clock Serial interface clock input. 5 LE Latch Enable input (Note 2).

7 N/C No connect

8 PUP2 Power-up selection bit. 13 P/S Parallel/Serial mode select. 15 C8 Attenuation control bit, 8 dB. 16 C4 Attenuation control bit, 4 dB. 17 C2 Attenuation control bit, 2 dB. 19 C1 Attenuation control bit, 1 dB. 20 C0.5 Attenuation control bit, 0.5 dB. Table 3. Absolute Maximum Ratings Table 4. Operating Ranges

attenuation state, as shown in Table 5. Characteristics), and switching speed (Table 1). Table 5. Truth Table is independent of the state of the LE input. brought LOW, data in the shift register is latched. Table 8 (Serial Interface AC Characteristics). present on the five parallel data inputs (C0.5 to C8). be specified as the power-up state. Table 6. Power-Up Truth Table, Parallel with C0.5-C8, and PUP2 is not active.

Figure 20. Package Drawing

0.50 TYP

2.00 TYP

0.20 REF

  1. Dimension applies to metallized terminal and is measured

between 0.25 and 0.30 from terminal tip.

  1. Coplanarity applies to the exposed heat sink slug as well as the
  2. Dimensions are in millimeters.